./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.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-2_5-container_of.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 --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 05:27:00,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-09-01 05:27:00,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-09-01 05:27:00,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-09-01 05:27:00,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-09-01 05:27:00,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-09-01 05:27:00,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-09-01 05:27:00,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-09-01 05:27:00,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-09-01 05:27:00,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-09-01 05:27:00,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-09-01 05:27:00,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-09-01 05:27:00,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-09-01 05:27:00,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-09-01 05:27:00,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-09-01 05:27:00,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-09-01 05:27:00,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-09-01 05:27:00,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-09-01 05:27:00,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-09-01 05:27:00,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-09-01 05:27:00,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-09-01 05:27:00,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-09-01 05:27:00,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-09-01 05:27:00,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-09-01 05:27:00,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-09-01 05:27:00,233 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-09-01 05:27:00,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-09-01 05:27:00,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-09-01 05:27:00,234 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-09-01 05:27:00,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-09-01 05:27:00,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-09-01 05:27:00,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-09-01 05:27:00,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-09-01 05:27:00,236 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-09-01 05:27:00,237 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-09-01 05:27:00,237 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-09-01 05:27:00,238 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-09-01 05:27:00,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-09-01 05:27:00,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-09-01 05:27:00,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-09-01 05:27:00,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-09-01 05:27:00,243 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-09-01 05:27:00,262 INFO L113 SettingsManager]: Loading preferences was successful [2023-09-01 05:27:00,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-01 05:27:00,263 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-01 05:27:00,263 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-01 05:27:00,264 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-01 05:27:00,264 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-01 05:27:00,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-01 05:27:00,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-09-01 05:27:00,265 INFO L138 SettingsManager]: * Use SBE=true [2023-09-01 05:27:00,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-01 05:27:00,266 INFO L138 SettingsManager]: * sizeof long=4 [2023-09-01 05:27:00,266 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-09-01 05:27:00,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-01 05:27:00,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-09-01 05:27:00,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-09-01 05:27:00,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-01 05:27:00,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-01 05:27:00,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-01 05:27:00,267 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-09-01 05:27:00,267 INFO L138 SettingsManager]: * sizeof long double=12 [2023-09-01 05:27:00,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-09-01 05:27:00,267 INFO L138 SettingsManager]: * Use constant arrays=true [2023-09-01 05:27:00,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-01 05:27:00,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-01 05:27:00,268 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-01 05:27:00,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-01 05:27:00,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 05:27:00,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-01 05:27:00,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-01 05:27:00,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-01 05:27:00,269 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-01 05:27:00,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-01 05:27:00,269 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-09-01 05:27:00,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-01 05:27:00,269 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-09-01 05:27:00,270 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-09-01 05:27:00,270 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-09-01 05:27:00,270 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-09-01 05:27:00,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-01 05:27:00,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-01 05:27:00,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-01 05:27:00,576 INFO L271 PluginConnector]: Initializing CDTParser... [2023-09-01 05:27:00,576 INFO L275 PluginConnector]: CDTParser initialized [2023-09-01 05:27:00,577 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2023-09-01 05:27:01,653 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-09-01 05:27:01,931 INFO L351 CDTParser]: Found 1 translation units. [2023-09-01 05:27:01,932 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i [2023-09-01 05:27:01,949 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca234f2f1/dd96716059f044b49bf171a48e80564a/FLAG324c4e6e7 [2023-09-01 05:27:01,959 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca234f2f1/dd96716059f044b49bf171a48e80564a [2023-09-01 05:27:01,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-01 05:27:01,962 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-09-01 05:27:01,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-01 05:27:01,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-01 05:27:01,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-01 05:27:01,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 05:27:01" (1/1) ... [2023-09-01 05:27:01,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d8c695f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:27:01, skipping insertion in model container [2023-09-01 05:27:01,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 05:27:01" (1/1) ... [2023-09-01 05:27:01,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-09-01 05:27:02,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-09-01 05:27:02,090 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-09-01 05:27:02,388 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i[75002,75015] [2023-09-01 05:27:02,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 05:27:02,419 INFO L203 MainTranslator]: Completed pre-run [2023-09-01 05:27:02,427 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-09-01 05:27:02,463 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_5-container_of.i[75002,75015] [2023-09-01 05:27:02,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 05:27:02,577 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 05:27:02,577 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 05:27:02,577 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 05:27:02,582 INFO L208 MainTranslator]: Completed translation [2023-09-01 05:27:02,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:27:02 WrapperNode [2023-09-01 05:27:02,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-01 05:27:02,583 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-01 05:27:02,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-01 05:27:02,584 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-01 05:27:02,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:27:02" (1/1) ... [2023-09-01 05:27:02,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:27:02" (1/1) ... [2023-09-01 05:27:02,654 INFO L138 Inliner]: procedures = 469, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 144 [2023-09-01 05:27:02,655 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-01 05:27:02,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-01 05:27:02,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-01 05:27:02,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-09-01 05:27:02,663 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:27:02" (1/1) ... [2023-09-01 05:27:02,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:27:02" (1/1) ... [2023-09-01 05:27:02,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:27:02" (1/1) ... [2023-09-01 05:27:02,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:27:02" (1/1) ... [2023-09-01 05:27:02,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:27:02" (1/1) ... [2023-09-01 05:27:02,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:27:02" (1/1) ... [2023-09-01 05:27:02,704 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:27:02" (1/1) ... [2023-09-01 05:27:02,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:27:02" (1/1) ... [2023-09-01 05:27:02,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-01 05:27:02,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-01 05:27:02,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-09-01 05:27:02,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-09-01 05:27:02,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:27:02" (1/1) ... [2023-09-01 05:27:02,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 05:27:02,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-01 05:27:02,745 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 05:27:02,763 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 05:27:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-01 05:27:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-01 05:27:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-01 05:27:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-01 05:27:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-09-01 05:27:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-01 05:27:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-09-01 05:27:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-01 05:27:02,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-01 05:27:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-09-01 05:27:02,789 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-09-01 05:27:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-01 05:27:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-01 05:27:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-01 05:27:02,790 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 05:27:03,055 INFO L236 CfgBuilder]: Building ICFG [2023-09-01 05:27:03,057 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-01 05:27:03,310 INFO L277 CfgBuilder]: Performing block encoding [2023-09-01 05:27:03,345 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-01 05:27:03,345 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-01 05:27:03,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:27:03 BoogieIcfgContainer [2023-09-01 05:27:03,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-01 05:27:03,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-01 05:27:03,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-09-01 05:27:03,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-09-01 05:27:03,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.09 05:27:01" (1/3) ... [2023-09-01 05:27:03,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d7790eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 05:27:03, skipping insertion in model container [2023-09-01 05:27:03,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:27:02" (2/3) ... [2023-09-01 05:27:03,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d7790eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 05:27:03, skipping insertion in model container [2023-09-01 05:27:03,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:27:03" (3/3) ... [2023-09-01 05:27:03,353 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2023-09-01 05:27:03,359 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-01 05:27:03,366 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-01 05:27:03,366 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-09-01 05:27:03,366 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-01 05:27:03,412 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-09-01 05:27:03,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 157 places, 157 transitions, 330 flow [2023-09-01 05:27:03,493 INFO L130 PetriNetUnfolder]: 8/193 cut-off events. [2023-09-01 05:27:03,493 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-09-01 05:27:03,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 193 events. 8/193 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 336 event pairs, 0 based on Foata normal form. 0/179 useless extension candidates. Maximal degree in co-relation 104. Up to 4 conditions per place. [2023-09-01 05:27:03,497 INFO L82 GeneralOperation]: Start removeDead. Operand has 157 places, 157 transitions, 330 flow [2023-09-01 05:27:03,501 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 132 places, 127 transitions, 263 flow [2023-09-01 05:27:03,503 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-09-01 05:27:03,510 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 127 transitions, 263 flow [2023-09-01 05:27:03,512 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 132 places, 127 transitions, 263 flow [2023-09-01 05:27:03,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 132 places, 127 transitions, 263 flow [2023-09-01 05:27:03,534 INFO L130 PetriNetUnfolder]: 2/127 cut-off events. [2023-09-01 05:27:03,535 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-09-01 05:27:03,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 127 events. 2/127 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 140 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 81. Up to 2 conditions per place. [2023-09-01 05:27:03,537 INFO L119 LiptonReduction]: Number of co-enabled transitions 3360 [2023-09-01 05:27:08,357 INFO L134 LiptonReduction]: Checked pairs total: 9058 [2023-09-01 05:27:08,357 INFO L136 LiptonReduction]: Total number of compositions: 110 [2023-09-01 05:27:08,367 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-01 05:27:08,371 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;@7f54a414, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-09-01 05:27:08,371 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-09-01 05:27:08,375 INFO L130 PetriNetUnfolder]: 0/10 cut-off events. [2023-09-01 05:27:08,375 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-09-01 05:27:08,375 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:08,375 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-09-01 05:27:08,376 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 05:27:08,378 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:08,379 INFO L85 PathProgramCache]: Analyzing trace with hash 521449222, now seen corresponding path program 1 times [2023-09-01 05:27:08,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:08,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916794369] [2023-09-01 05:27:08,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:08,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:09,086 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 05:27:09,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:09,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916794369] [2023-09-01 05:27:09,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916794369] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:09,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:09,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-01 05:27:09,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120897416] [2023-09-01 05:27:09,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:09,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-09-01 05:27:09,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:09,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-09-01 05:27:09,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-09-01 05:27:09,233 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 267 [2023-09-01 05:27:09,239 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 32 transitions, 73 flow. Second operand has 5 states, 5 states have (on average 124.0) internal successors, (620), 5 states have internal predecessors, (620), 0 states have call successors, (0), 0 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 05:27:09,240 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:09,240 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 267 [2023-09-01 05:27:09,241 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:09,475 INFO L130 PetriNetUnfolder]: 215/414 cut-off events. [2023-09-01 05:27:09,475 INFO L131 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2023-09-01 05:27:09,476 INFO L83 FinitePrefix]: Finished finitePrefix Result has 850 conditions, 414 events. 215/414 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1517 event pairs, 162 based on Foata normal form. 0/336 useless extension candidates. Maximal degree in co-relation 644. Up to 402 conditions per place. [2023-09-01 05:27:09,479 INFO L137 encePairwiseOnDemand]: 258/267 looper letters, 24 selfloop transitions, 8 changer transitions 0/33 dead transitions. [2023-09-01 05:27:09,480 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 33 transitions, 139 flow [2023-09-01 05:27:09,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-01 05:27:09,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-09-01 05:27:09,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 773 transitions. [2023-09-01 05:27:09,495 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48252184769038703 [2023-09-01 05:27:09,496 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 773 transitions. [2023-09-01 05:27:09,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 773 transitions. [2023-09-01 05:27:09,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:09,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 773 transitions. [2023-09-01 05:27:09,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 128.83333333333334) internal successors, (773), 6 states have internal predecessors, (773), 0 states have call successors, (0), 0 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 05:27:09,517 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 267.0) internal successors, (1869), 7 states have internal predecessors, (1869), 0 states have call successors, (0), 0 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 05:27:09,519 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 267.0) internal successors, (1869), 7 states have internal predecessors, (1869), 0 states have call successors, (0), 0 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 05:27:09,521 INFO L175 Difference]: Start difference. First operand has 38 places, 32 transitions, 73 flow. Second operand 6 states and 773 transitions. [2023-09-01 05:27:09,521 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 33 transitions, 139 flow [2023-09-01 05:27:09,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 33 transitions, 134 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-09-01 05:27:09,526 INFO L231 Difference]: Finished difference. Result has 38 places, 32 transitions, 105 flow [2023-09-01 05:27:09,527 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=105, PETRI_PLACES=38, PETRI_TRANSITIONS=32} [2023-09-01 05:27:09,530 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 0 predicate places. [2023-09-01 05:27:09,531 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 32 transitions, 105 flow [2023-09-01 05:27:09,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 124.0) internal successors, (620), 5 states have internal predecessors, (620), 0 states have call successors, (0), 0 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 05:27:09,532 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:09,532 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-09-01 05:27:09,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-01 05:27:09,532 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:09,533 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:09,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1014940337, now seen corresponding path program 1 times [2023-09-01 05:27:09,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:09,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927652670] [2023-09-01 05:27:09,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:09,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:09,995 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 05:27:09,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:09,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927652670] [2023-09-01 05:27:09,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927652670] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:09,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:09,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-09-01 05:27:09,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525549682] [2023-09-01 05:27:09,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:09,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-01 05:27:09,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:09,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-01 05:27:09,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-09-01 05:27:10,127 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 267 [2023-09-01 05:27:10,129 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 32 transitions, 105 flow. Second operand has 6 states, 6 states have (on average 123.0) internal successors, (738), 6 states have internal predecessors, (738), 0 states have call successors, (0), 0 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 05:27:10,129 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:10,129 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 267 [2023-09-01 05:27:10,129 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:10,301 INFO L130 PetriNetUnfolder]: 201/390 cut-off events. [2023-09-01 05:27:10,301 INFO L131 PetriNetUnfolder]: For 64/64 co-relation queries the response was YES. [2023-09-01 05:27:10,303 INFO L83 FinitePrefix]: Finished finitePrefix Result has 884 conditions, 390 events. 201/390 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1420 event pairs, 70 based on Foata normal form. 5/339 useless extension candidates. Maximal degree in co-relation 764. Up to 339 conditions per place. [2023-09-01 05:27:10,304 INFO L137 encePairwiseOnDemand]: 259/267 looper letters, 36 selfloop transitions, 11 changer transitions 0/48 dead transitions. [2023-09-01 05:27:10,305 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 48 transitions, 243 flow [2023-09-01 05:27:10,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-01 05:27:10,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-09-01 05:27:10,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 778 transitions. [2023-09-01 05:27:10,307 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48564294631710364 [2023-09-01 05:27:10,308 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 778 transitions. [2023-09-01 05:27:10,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 778 transitions. [2023-09-01 05:27:10,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:10,309 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 778 transitions. [2023-09-01 05:27:10,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 129.66666666666666) internal successors, (778), 6 states have internal predecessors, (778), 0 states have call successors, (0), 0 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 05:27:10,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 267.0) internal successors, (1869), 7 states have internal predecessors, (1869), 0 states have call successors, (0), 0 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 05:27:10,314 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 267.0) internal successors, (1869), 7 states have internal predecessors, (1869), 0 states have call successors, (0), 0 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 05:27:10,314 INFO L175 Difference]: Start difference. First operand has 38 places, 32 transitions, 105 flow. Second operand 6 states and 778 transitions. [2023-09-01 05:27:10,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 48 transitions, 243 flow [2023-09-01 05:27:10,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 48 transitions, 241 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-09-01 05:27:10,317 INFO L231 Difference]: Finished difference. Result has 45 places, 38 transitions, 169 flow [2023-09-01 05:27:10,317 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=169, PETRI_PLACES=45, PETRI_TRANSITIONS=38} [2023-09-01 05:27:10,318 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 7 predicate places. [2023-09-01 05:27:10,318 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 38 transitions, 169 flow [2023-09-01 05:27:10,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 123.0) internal successors, (738), 6 states have internal predecessors, (738), 0 states have call successors, (0), 0 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 05:27:10,319 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:10,319 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:10,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-01 05:27:10,319 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:10,320 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:10,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1394183507, now seen corresponding path program 1 times [2023-09-01 05:27:10,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:10,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828822048] [2023-09-01 05:27:10,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:10,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:10,724 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 05:27:10,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:10,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828822048] [2023-09-01 05:27:10,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828822048] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:10,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:10,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-09-01 05:27:10,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105408903] [2023-09-01 05:27:10,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:10,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-01 05:27:10,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:10,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-01 05:27:10,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-09-01 05:27:10,878 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 267 [2023-09-01 05:27:10,880 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 38 transitions, 169 flow. Second operand has 6 states, 6 states have (on average 123.16666666666667) internal successors, (739), 6 states have internal predecessors, (739), 0 states have call successors, (0), 0 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 05:27:10,880 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:10,880 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 267 [2023-09-01 05:27:10,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:11,059 INFO L130 PetriNetUnfolder]: 189/370 cut-off events. [2023-09-01 05:27:11,059 INFO L131 PetriNetUnfolder]: For 173/173 co-relation queries the response was YES. [2023-09-01 05:27:11,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 955 conditions, 370 events. 189/370 cut-off events. For 173/173 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1352 event pairs, 64 based on Foata normal form. 0/322 useless extension candidates. Maximal degree in co-relation 830. Up to 327 conditions per place. [2023-09-01 05:27:11,062 INFO L137 encePairwiseOnDemand]: 259/267 looper letters, 39 selfloop transitions, 11 changer transitions 0/51 dead transitions. [2023-09-01 05:27:11,062 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 51 transitions, 329 flow [2023-09-01 05:27:11,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-01 05:27:11,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-09-01 05:27:11,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 776 transitions. [2023-09-01 05:27:11,065 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.484394506866417 [2023-09-01 05:27:11,065 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 776 transitions. [2023-09-01 05:27:11,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 776 transitions. [2023-09-01 05:27:11,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:11,066 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 776 transitions. [2023-09-01 05:27:11,068 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 129.33333333333334) internal successors, (776), 6 states have internal predecessors, (776), 0 states have call successors, (0), 0 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 05:27:11,071 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 267.0) internal successors, (1869), 7 states have internal predecessors, (1869), 0 states have call successors, (0), 0 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 05:27:11,072 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 267.0) internal successors, (1869), 7 states have internal predecessors, (1869), 0 states have call successors, (0), 0 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 05:27:11,072 INFO L175 Difference]: Start difference. First operand has 45 places, 38 transitions, 169 flow. Second operand 6 states and 776 transitions. [2023-09-01 05:27:11,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 51 transitions, 329 flow [2023-09-01 05:27:11,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 51 transitions, 313 flow, removed 7 selfloop flow, removed 1 redundant places. [2023-09-01 05:27:11,075 INFO L231 Difference]: Finished difference. Result has 52 places, 44 transitions, 230 flow [2023-09-01 05:27:11,075 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=157, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=230, PETRI_PLACES=52, PETRI_TRANSITIONS=44} [2023-09-01 05:27:11,076 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 14 predicate places. [2023-09-01 05:27:11,076 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 44 transitions, 230 flow [2023-09-01 05:27:11,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 123.16666666666667) internal successors, (739), 6 states have internal predecessors, (739), 0 states have call successors, (0), 0 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 05:27:11,077 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:11,077 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:11,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-01 05:27:11,078 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:11,078 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:11,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1884024815, now seen corresponding path program 1 times [2023-09-01 05:27:11,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:11,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170125185] [2023-09-01 05:27:11,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:11,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:11,564 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 05:27:11,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:11,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170125185] [2023-09-01 05:27:11,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170125185] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:11,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:11,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-09-01 05:27:11,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065404119] [2023-09-01 05:27:11,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:11,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-09-01 05:27:11,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:11,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-09-01 05:27:11,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-09-01 05:27:11,984 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 267 [2023-09-01 05:27:11,985 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 44 transitions, 230 flow. Second operand has 9 states, 9 states have (on average 121.0) internal successors, (1089), 9 states have internal predecessors, (1089), 0 states have call successors, (0), 0 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 05:27:11,985 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:11,985 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 267 [2023-09-01 05:27:11,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:12,353 INFO L130 PetriNetUnfolder]: 237/450 cut-off events. [2023-09-01 05:27:12,354 INFO L131 PetriNetUnfolder]: For 231/231 co-relation queries the response was YES. [2023-09-01 05:27:12,355 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1273 conditions, 450 events. 237/450 cut-off events. For 231/231 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1705 event pairs, 41 based on Foata normal form. 8/424 useless extension candidates. Maximal degree in co-relation 1068. Up to 337 conditions per place. [2023-09-01 05:27:12,356 INFO L137 encePairwiseOnDemand]: 256/267 looper letters, 47 selfloop transitions, 25 changer transitions 0/73 dead transitions. [2023-09-01 05:27:12,357 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 73 transitions, 504 flow [2023-09-01 05:27:12,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-01 05:27:12,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-09-01 05:27:12,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1265 transitions. [2023-09-01 05:27:12,362 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4737827715355805 [2023-09-01 05:27:12,362 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1265 transitions. [2023-09-01 05:27:12,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1265 transitions. [2023-09-01 05:27:12,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:12,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1265 transitions. [2023-09-01 05:27:12,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 126.5) internal successors, (1265), 10 states have internal predecessors, (1265), 0 states have call successors, (0), 0 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 05:27:12,368 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 267.0) internal successors, (2937), 11 states have internal predecessors, (2937), 0 states have call successors, (0), 0 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 05:27:12,368 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 267.0) internal successors, (2937), 11 states have internal predecessors, (2937), 0 states have call successors, (0), 0 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 05:27:12,368 INFO L175 Difference]: Start difference. First operand has 52 places, 44 transitions, 230 flow. Second operand 10 states and 1265 transitions. [2023-09-01 05:27:12,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 73 transitions, 504 flow [2023-09-01 05:27:12,370 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 73 transitions, 481 flow, removed 6 selfloop flow, removed 1 redundant places. [2023-09-01 05:27:12,371 INFO L231 Difference]: Finished difference. Result has 65 places, 57 transitions, 394 flow [2023-09-01 05:27:12,372 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=217, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=394, PETRI_PLACES=65, PETRI_TRANSITIONS=57} [2023-09-01 05:27:12,372 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 27 predicate places. [2023-09-01 05:27:12,372 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 57 transitions, 394 flow [2023-09-01 05:27:12,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 121.0) internal successors, (1089), 9 states have internal predecessors, (1089), 0 states have call successors, (0), 0 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 05:27:12,373 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:12,373 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:12,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-01 05:27:12,374 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 05:27:12,374 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:12,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1922923923, now seen corresponding path program 1 times [2023-09-01 05:27:12,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:12,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846004997] [2023-09-01 05:27:12,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:12,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:12,858 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 05:27:12,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:12,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846004997] [2023-09-01 05:27:12,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846004997] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:12,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:12,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-09-01 05:27:12,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633032829] [2023-09-01 05:27:12,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:12,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-09-01 05:27:12,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:12,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-09-01 05:27:12,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-09-01 05:27:13,001 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 267 [2023-09-01 05:27:13,002 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 57 transitions, 394 flow. Second operand has 9 states, 9 states have (on average 121.0) internal successors, (1089), 9 states have internal predecessors, (1089), 0 states have call successors, (0), 0 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 05:27:13,002 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:13,002 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 267 [2023-09-01 05:27:13,002 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:13,278 INFO L130 PetriNetUnfolder]: 261/490 cut-off events. [2023-09-01 05:27:13,279 INFO L131 PetriNetUnfolder]: For 504/504 co-relation queries the response was YES. [2023-09-01 05:27:13,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1577 conditions, 490 events. 261/490 cut-off events. For 504/504 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1902 event pairs, 64 based on Foata normal form. 4/460 useless extension candidates. Maximal degree in co-relation 1306. Up to 369 conditions per place. [2023-09-01 05:27:13,282 INFO L137 encePairwiseOnDemand]: 256/267 looper letters, 44 selfloop transitions, 34 changer transitions 0/79 dead transitions. [2023-09-01 05:27:13,282 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 79 transitions, 660 flow [2023-09-01 05:27:13,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-01 05:27:13,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-09-01 05:27:13,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1261 transitions. [2023-09-01 05:27:13,285 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4722846441947566 [2023-09-01 05:27:13,286 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1261 transitions. [2023-09-01 05:27:13,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1261 transitions. [2023-09-01 05:27:13,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:13,287 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1261 transitions. [2023-09-01 05:27:13,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 126.1) internal successors, (1261), 10 states have internal predecessors, (1261), 0 states have call successors, (0), 0 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 05:27:13,292 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 267.0) internal successors, (2937), 11 states have internal predecessors, (2937), 0 states have call successors, (0), 0 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 05:27:13,293 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 267.0) internal successors, (2937), 11 states have internal predecessors, (2937), 0 states have call successors, (0), 0 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 05:27:13,294 INFO L175 Difference]: Start difference. First operand has 65 places, 57 transitions, 394 flow. Second operand 10 states and 1261 transitions. [2023-09-01 05:27:13,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 79 transitions, 660 flow [2023-09-01 05:27:13,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 79 transitions, 611 flow, removed 7 selfloop flow, removed 4 redundant places. [2023-09-01 05:27:13,299 INFO L231 Difference]: Finished difference. Result has 72 places, 66 transitions, 519 flow [2023-09-01 05:27:13,300 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=359, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=519, PETRI_PLACES=72, PETRI_TRANSITIONS=66} [2023-09-01 05:27:13,301 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 34 predicate places. [2023-09-01 05:27:13,301 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 66 transitions, 519 flow [2023-09-01 05:27:13,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 121.0) internal successors, (1089), 9 states have internal predecessors, (1089), 0 states have call successors, (0), 0 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 05:27:13,302 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:13,302 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:13,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-09-01 05:27:13,303 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:13,303 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:13,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1884061083, now seen corresponding path program 2 times [2023-09-01 05:27:13,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:13,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813607452] [2023-09-01 05:27:13,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:13,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:13,804 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 05:27:13,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:13,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813607452] [2023-09-01 05:27:13,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813607452] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:13,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:13,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-09-01 05:27:13,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937634153] [2023-09-01 05:27:13,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:13,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-09-01 05:27:13,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:13,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-09-01 05:27:13,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-09-01 05:27:14,081 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 267 [2023-09-01 05:27:14,083 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 66 transitions, 519 flow. Second operand has 9 states, 9 states have (on average 121.0) internal successors, (1089), 9 states have internal predecessors, (1089), 0 states have call successors, (0), 0 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 05:27:14,083 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:14,083 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 267 [2023-09-01 05:27:14,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:14,431 INFO L130 PetriNetUnfolder]: 249/470 cut-off events. [2023-09-01 05:27:14,432 INFO L131 PetriNetUnfolder]: For 599/599 co-relation queries the response was YES. [2023-09-01 05:27:14,433 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1621 conditions, 470 events. 249/470 cut-off events. For 599/599 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1784 event pairs, 59 based on Foata normal form. 4/444 useless extension candidates. Maximal degree in co-relation 1540. Up to 345 conditions per place. [2023-09-01 05:27:14,436 INFO L137 encePairwiseOnDemand]: 257/267 looper letters, 49 selfloop transitions, 28 changer transitions 0/78 dead transitions. [2023-09-01 05:27:14,436 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 78 transitions, 706 flow [2023-09-01 05:27:14,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-01 05:27:14,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-09-01 05:27:14,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1017 transitions. [2023-09-01 05:27:14,439 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.476123595505618 [2023-09-01 05:27:14,439 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1017 transitions. [2023-09-01 05:27:14,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1017 transitions. [2023-09-01 05:27:14,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:14,440 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1017 transitions. [2023-09-01 05:27:14,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 127.125) internal successors, (1017), 8 states have internal predecessors, (1017), 0 states have call successors, (0), 0 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 05:27:14,443 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 267.0) internal successors, (2403), 9 states have internal predecessors, (2403), 0 states have call successors, (0), 0 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 05:27:14,444 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 267.0) internal successors, (2403), 9 states have internal predecessors, (2403), 0 states have call successors, (0), 0 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 05:27:14,444 INFO L175 Difference]: Start difference. First operand has 72 places, 66 transitions, 519 flow. Second operand 8 states and 1017 transitions. [2023-09-01 05:27:14,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 78 transitions, 706 flow [2023-09-01 05:27:14,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 78 transitions, 661 flow, removed 6 selfloop flow, removed 4 redundant places. [2023-09-01 05:27:14,451 INFO L231 Difference]: Finished difference. Result has 76 places, 66 transitions, 543 flow [2023-09-01 05:27:14,451 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=475, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=543, PETRI_PLACES=76, PETRI_TRANSITIONS=66} [2023-09-01 05:27:14,453 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 38 predicate places. [2023-09-01 05:27:14,453 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 66 transitions, 543 flow [2023-09-01 05:27:14,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 121.0) internal successors, (1089), 9 states have internal predecessors, (1089), 0 states have call successors, (0), 0 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 05:27:14,454 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:14,455 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:14,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-09-01 05:27:14,455 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 05:27:14,456 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:14,456 INFO L85 PathProgramCache]: Analyzing trace with hash 221128639, now seen corresponding path program 2 times [2023-09-01 05:27:14,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:14,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076659721] [2023-09-01 05:27:14,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:14,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:14,901 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 05:27:14,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:14,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076659721] [2023-09-01 05:27:14,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076659721] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:14,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:14,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-09-01 05:27:14,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031635154] [2023-09-01 05:27:14,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:14,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-09-01 05:27:14,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:14,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-09-01 05:27:14,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-09-01 05:27:15,126 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 267 [2023-09-01 05:27:15,127 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 66 transitions, 543 flow. Second operand has 9 states, 9 states have (on average 121.0) internal successors, (1089), 9 states have internal predecessors, (1089), 0 states have call successors, (0), 0 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 05:27:15,127 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:15,127 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 267 [2023-09-01 05:27:15,127 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:15,534 INFO L130 PetriNetUnfolder]: 321/591 cut-off events. [2023-09-01 05:27:15,535 INFO L131 PetriNetUnfolder]: For 1202/1202 co-relation queries the response was YES. [2023-09-01 05:27:15,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2203 conditions, 591 events. 321/591 cut-off events. For 1202/1202 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2386 event pairs, 91 based on Foata normal form. 8/565 useless extension candidates. Maximal degree in co-relation 2078. Up to 456 conditions per place. [2023-09-01 05:27:15,538 INFO L137 encePairwiseOnDemand]: 255/267 looper letters, 62 selfloop transitions, 42 changer transitions 0/105 dead transitions. [2023-09-01 05:27:15,538 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 105 transitions, 1070 flow [2023-09-01 05:27:15,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-09-01 05:27:15,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-09-01 05:27:15,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1511 transitions. [2023-09-01 05:27:15,542 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4715980024968789 [2023-09-01 05:27:15,543 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1511 transitions. [2023-09-01 05:27:15,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1511 transitions. [2023-09-01 05:27:15,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:15,544 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1511 transitions. [2023-09-01 05:27:15,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 125.91666666666667) internal successors, (1511), 12 states have internal predecessors, (1511), 0 states have call successors, (0), 0 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 05:27:15,550 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 267.0) internal successors, (3471), 13 states have internal predecessors, (3471), 0 states have call successors, (0), 0 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 05:27:15,551 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 267.0) internal successors, (3471), 13 states have internal predecessors, (3471), 0 states have call successors, (0), 0 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 05:27:15,551 INFO L175 Difference]: Start difference. First operand has 76 places, 66 transitions, 543 flow. Second operand 12 states and 1511 transitions. [2023-09-01 05:27:15,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 105 transitions, 1070 flow [2023-09-01 05:27:15,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 105 transitions, 1001 flow, removed 3 selfloop flow, removed 5 redundant places. [2023-09-01 05:27:15,560 INFO L231 Difference]: Finished difference. Result has 85 places, 87 transitions, 844 flow [2023-09-01 05:27:15,561 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=499, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=844, PETRI_PLACES=85, PETRI_TRANSITIONS=87} [2023-09-01 05:27:15,561 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 47 predicate places. [2023-09-01 05:27:15,562 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 87 transitions, 844 flow [2023-09-01 05:27:15,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 121.0) internal successors, (1089), 9 states have internal predecessors, (1089), 0 states have call successors, (0), 0 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 05:27:15,562 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:15,562 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:15,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-09-01 05:27:15,563 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 05:27:15,563 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:15,563 INFO L85 PathProgramCache]: Analyzing trace with hash 221128637, now seen corresponding path program 3 times [2023-09-01 05:27:15,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:15,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201375221] [2023-09-01 05:27:15,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:15,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:16,006 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 05:27:16,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:16,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201375221] [2023-09-01 05:27:16,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201375221] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:16,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:16,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-09-01 05:27:16,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493112366] [2023-09-01 05:27:16,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:16,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-09-01 05:27:16,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:16,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-09-01 05:27:16,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-09-01 05:27:16,250 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 267 [2023-09-01 05:27:16,251 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 87 transitions, 844 flow. Second operand has 9 states, 9 states have (on average 121.0) internal successors, (1089), 9 states have internal predecessors, (1089), 0 states have call successors, (0), 0 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 05:27:16,251 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:16,251 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 267 [2023-09-01 05:27:16,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:16,729 INFO L130 PetriNetUnfolder]: 309/571 cut-off events. [2023-09-01 05:27:16,729 INFO L131 PetriNetUnfolder]: For 1305/1305 co-relation queries the response was YES. [2023-09-01 05:27:16,731 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2269 conditions, 571 events. 309/571 cut-off events. For 1305/1305 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2295 event pairs, 88 based on Foata normal form. 4/545 useless extension candidates. Maximal degree in co-relation 2128. Up to 462 conditions per place. [2023-09-01 05:27:16,733 INFO L137 encePairwiseOnDemand]: 256/267 looper letters, 66 selfloop transitions, 36 changer transitions 0/103 dead transitions. [2023-09-01 05:27:16,733 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 103 transitions, 1086 flow [2023-09-01 05:27:16,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-01 05:27:16,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-09-01 05:27:16,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1628 transitions. [2023-09-01 05:27:16,737 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4690290982425814 [2023-09-01 05:27:16,737 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1628 transitions. [2023-09-01 05:27:16,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1628 transitions. [2023-09-01 05:27:16,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:16,738 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1628 transitions. [2023-09-01 05:27:16,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 125.23076923076923) internal successors, (1628), 13 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:16,743 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 267.0) internal successors, (3738), 14 states have internal predecessors, (3738), 0 states have call successors, (0), 0 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 05:27:16,743 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 267.0) internal successors, (3738), 14 states have internal predecessors, (3738), 0 states have call successors, (0), 0 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 05:27:16,744 INFO L175 Difference]: Start difference. First operand has 85 places, 87 transitions, 844 flow. Second operand 13 states and 1628 transitions. [2023-09-01 05:27:16,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 103 transitions, 1086 flow [2023-09-01 05:27:16,750 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 103 transitions, 1052 flow, removed 10 selfloop flow, removed 3 redundant places. [2023-09-01 05:27:16,752 INFO L231 Difference]: Finished difference. Result has 96 places, 88 transitions, 906 flow [2023-09-01 05:27:16,752 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=906, PETRI_PLACES=96, PETRI_TRANSITIONS=88} [2023-09-01 05:27:16,753 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 58 predicate places. [2023-09-01 05:27:16,753 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 88 transitions, 906 flow [2023-09-01 05:27:16,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 121.0) internal successors, (1089), 9 states have internal predecessors, (1089), 0 states have call successors, (0), 0 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 05:27:16,754 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:16,754 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:16,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-09-01 05:27:16,754 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 05:27:16,755 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:16,755 INFO L85 PathProgramCache]: Analyzing trace with hash 221986099, now seen corresponding path program 3 times [2023-09-01 05:27:16,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:16,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108312015] [2023-09-01 05:27:16,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:16,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:17,083 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 05:27:17,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:17,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108312015] [2023-09-01 05:27:17,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108312015] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:17,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:17,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-09-01 05:27:17,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910735087] [2023-09-01 05:27:17,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:17,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-09-01 05:27:17,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:17,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-09-01 05:27:17,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-09-01 05:27:17,336 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 267 [2023-09-01 05:27:17,337 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 88 transitions, 906 flow. Second operand has 9 states, 9 states have (on average 121.0) internal successors, (1089), 9 states have internal predecessors, (1089), 0 states have call successors, (0), 0 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 05:27:17,337 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:17,337 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 267 [2023-09-01 05:27:17,337 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:17,763 INFO L130 PetriNetUnfolder]: 285/531 cut-off events. [2023-09-01 05:27:17,763 INFO L131 PetriNetUnfolder]: For 1476/1476 co-relation queries the response was YES. [2023-09-01 05:27:17,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2211 conditions, 531 events. 285/531 cut-off events. For 1476/1476 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2112 event pairs, 68 based on Foata normal form. 8/521 useless extension candidates. Maximal degree in co-relation 2136. Up to 372 conditions per place. [2023-09-01 05:27:17,766 INFO L137 encePairwiseOnDemand]: 255/267 looper letters, 59 selfloop transitions, 52 changer transitions 2/114 dead transitions. [2023-09-01 05:27:17,766 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 114 transitions, 1278 flow [2023-09-01 05:27:17,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-01 05:27:17,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-09-01 05:27:17,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1755 transitions. [2023-09-01 05:27:17,769 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4695024077046549 [2023-09-01 05:27:17,769 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1755 transitions. [2023-09-01 05:27:17,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1755 transitions. [2023-09-01 05:27:17,770 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:17,770 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1755 transitions. [2023-09-01 05:27:17,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 125.35714285714286) internal successors, (1755), 14 states have internal predecessors, (1755), 0 states have call successors, (0), 0 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 05:27:17,776 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 267.0) internal successors, (4005), 15 states have internal predecessors, (4005), 0 states have call successors, (0), 0 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 05:27:17,776 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 267.0) internal successors, (4005), 15 states have internal predecessors, (4005), 0 states have call successors, (0), 0 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 05:27:17,776 INFO L175 Difference]: Start difference. First operand has 96 places, 88 transitions, 906 flow. Second operand 14 states and 1755 transitions. [2023-09-01 05:27:17,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 114 transitions, 1278 flow [2023-09-01 05:27:17,780 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 114 transitions, 1178 flow, removed 4 selfloop flow, removed 11 redundant places. [2023-09-01 05:27:17,782 INFO L231 Difference]: Finished difference. Result has 100 places, 93 transitions, 983 flow [2023-09-01 05:27:17,782 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=816, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=983, PETRI_PLACES=100, PETRI_TRANSITIONS=93} [2023-09-01 05:27:17,782 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 62 predicate places. [2023-09-01 05:27:17,783 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 93 transitions, 983 flow [2023-09-01 05:27:17,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 121.0) internal successors, (1089), 9 states have internal predecessors, (1089), 0 states have call successors, (0), 0 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 05:27:17,783 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:17,783 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:17,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-09-01 05:27:17,784 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:17,784 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:17,784 INFO L85 PathProgramCache]: Analyzing trace with hash 222022367, now seen corresponding path program 4 times [2023-09-01 05:27:17,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:17,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085324219] [2023-09-01 05:27:17,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:17,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:18,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:18,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:18,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085324219] [2023-09-01 05:27:18,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085324219] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:18,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:18,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-09-01 05:27:18,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634189834] [2023-09-01 05:27:18,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:18,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-09-01 05:27:18,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:18,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-09-01 05:27:18,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-09-01 05:27:18,466 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 267 [2023-09-01 05:27:18,466 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 93 transitions, 983 flow. Second operand has 9 states, 9 states have (on average 121.0) internal successors, (1089), 9 states have internal predecessors, (1089), 0 states have call successors, (0), 0 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 05:27:18,466 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:18,467 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 267 [2023-09-01 05:27:18,467 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:18,715 INFO L130 PetriNetUnfolder]: 249/465 cut-off events. [2023-09-01 05:27:18,715 INFO L131 PetriNetUnfolder]: For 1523/1523 co-relation queries the response was YES. [2023-09-01 05:27:18,716 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2049 conditions, 465 events. 249/465 cut-off events. For 1523/1523 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1820 event pairs, 81 based on Foata normal form. 4/455 useless extension candidates. Maximal degree in co-relation 1968. Up to 374 conditions per place. [2023-09-01 05:27:18,718 INFO L137 encePairwiseOnDemand]: 257/267 looper letters, 69 selfloop transitions, 29 changer transitions 0/99 dead transitions. [2023-09-01 05:27:18,718 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 99 transitions, 1191 flow [2023-09-01 05:27:18,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-01 05:27:18,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-09-01 05:27:18,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 888 transitions. [2023-09-01 05:27:18,720 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4751203852327448 [2023-09-01 05:27:18,720 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 888 transitions. [2023-09-01 05:27:18,720 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 888 transitions. [2023-09-01 05:27:18,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:18,720 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 888 transitions. [2023-09-01 05:27:18,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 126.85714285714286) internal successors, (888), 7 states have internal predecessors, (888), 0 states have call successors, (0), 0 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 05:27:18,723 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 267.0) internal successors, (2136), 8 states have internal predecessors, (2136), 0 states have call successors, (0), 0 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 05:27:18,724 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 267.0) internal successors, (2136), 8 states have internal predecessors, (2136), 0 states have call successors, (0), 0 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 05:27:18,724 INFO L175 Difference]: Start difference. First operand has 100 places, 93 transitions, 983 flow. Second operand 7 states and 888 transitions. [2023-09-01 05:27:18,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 99 transitions, 1191 flow [2023-09-01 05:27:18,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 99 transitions, 1114 flow, removed 7 selfloop flow, removed 7 redundant places. [2023-09-01 05:27:18,729 INFO L231 Difference]: Finished difference. Result has 100 places, 93 transitions, 974 flow [2023-09-01 05:27:18,729 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=906, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=974, PETRI_PLACES=100, PETRI_TRANSITIONS=93} [2023-09-01 05:27:18,729 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 62 predicate places. [2023-09-01 05:27:18,730 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 93 transitions, 974 flow [2023-09-01 05:27:18,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 121.0) internal successors, (1089), 9 states have internal predecessors, (1089), 0 states have call successors, (0), 0 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 05:27:18,730 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:18,730 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:18,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-09-01 05:27:18,730 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:18,731 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:18,731 INFO L85 PathProgramCache]: Analyzing trace with hash 295827702, now seen corresponding path program 1 times [2023-09-01 05:27:18,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:18,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942182045] [2023-09-01 05:27:18,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:18,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:18,979 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 05:27:18,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:18,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942182045] [2023-09-01 05:27:18,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942182045] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:18,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:18,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-01 05:27:18,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532599542] [2023-09-01 05:27:18,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:18,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-01 05:27:18,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:18,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-01 05:27:18,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-09-01 05:27:19,130 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 267 [2023-09-01 05:27:19,131 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 93 transitions, 974 flow. Second operand has 7 states, 7 states have (on average 128.57142857142858) internal successors, (900), 7 states have internal predecessors, (900), 0 states have call successors, (0), 0 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 05:27:19,131 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:19,131 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 267 [2023-09-01 05:27:19,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:19,409 INFO L130 PetriNetUnfolder]: 317/638 cut-off events. [2023-09-01 05:27:19,409 INFO L131 PetriNetUnfolder]: For 1667/1667 co-relation queries the response was YES. [2023-09-01 05:27:19,411 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2532 conditions, 638 events. 317/638 cut-off events. For 1667/1667 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 2914 event pairs, 45 based on Foata normal form. 0/616 useless extension candidates. Maximal degree in co-relation 2453. Up to 204 conditions per place. [2023-09-01 05:27:19,414 INFO L137 encePairwiseOnDemand]: 257/267 looper letters, 101 selfloop transitions, 34 changer transitions 3/140 dead transitions. [2023-09-01 05:27:19,414 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 140 transitions, 1400 flow [2023-09-01 05:27:19,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-01 05:27:19,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-09-01 05:27:19,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1228 transitions. [2023-09-01 05:27:19,417 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5110278818143986 [2023-09-01 05:27:19,417 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1228 transitions. [2023-09-01 05:27:19,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1228 transitions. [2023-09-01 05:27:19,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:19,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1228 transitions. [2023-09-01 05:27:19,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 136.44444444444446) internal successors, (1228), 9 states have internal predecessors, (1228), 0 states have call successors, (0), 0 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 05:27:19,422 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 267.0) internal successors, (2670), 10 states have internal predecessors, (2670), 0 states have call successors, (0), 0 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 05:27:19,423 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 267.0) internal successors, (2670), 10 states have internal predecessors, (2670), 0 states have call successors, (0), 0 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 05:27:19,423 INFO L175 Difference]: Start difference. First operand has 100 places, 93 transitions, 974 flow. Second operand 9 states and 1228 transitions. [2023-09-01 05:27:19,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 140 transitions, 1400 flow [2023-09-01 05:27:19,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 140 transitions, 1342 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-09-01 05:27:19,431 INFO L231 Difference]: Finished difference. Result has 105 places, 98 transitions, 1059 flow [2023-09-01 05:27:19,431 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=916, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1059, PETRI_PLACES=105, PETRI_TRANSITIONS=98} [2023-09-01 05:27:19,431 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 67 predicate places. [2023-09-01 05:27:19,432 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 98 transitions, 1059 flow [2023-09-01 05:27:19,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 128.57142857142858) internal successors, (900), 7 states have internal predecessors, (900), 0 states have call successors, (0), 0 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 05:27:19,432 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:19,432 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:19,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-09-01 05:27:19,433 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:19,433 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:19,433 INFO L85 PathProgramCache]: Analyzing trace with hash 990507607, now seen corresponding path program 1 times [2023-09-01 05:27:19,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:19,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996985761] [2023-09-01 05:27:19,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:19,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:19,956 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 05:27:19,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:19,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996985761] [2023-09-01 05:27:19,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996985761] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:19,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:19,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-09-01 05:27:19,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956477085] [2023-09-01 05:27:19,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:19,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-09-01 05:27:19,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:19,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-09-01 05:27:19,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-09-01 05:27:20,363 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 267 [2023-09-01 05:27:20,365 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 98 transitions, 1059 flow. Second operand has 10 states, 10 states have (on average 120.1) internal successors, (1201), 10 states have internal predecessors, (1201), 0 states have call successors, (0), 0 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 05:27:20,365 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:20,365 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 267 [2023-09-01 05:27:20,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:20,949 INFO L130 PetriNetUnfolder]: 405/841 cut-off events. [2023-09-01 05:27:20,949 INFO L131 PetriNetUnfolder]: For 3717/3717 co-relation queries the response was YES. [2023-09-01 05:27:20,953 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3442 conditions, 841 events. 405/841 cut-off events. For 3717/3717 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 4251 event pairs, 53 based on Foata normal form. 10/851 useless extension candidates. Maximal degree in co-relation 3361. Up to 371 conditions per place. [2023-09-01 05:27:20,957 INFO L137 encePairwiseOnDemand]: 253/267 looper letters, 78 selfloop transitions, 77 changer transitions 8/164 dead transitions. [2023-09-01 05:27:20,958 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 164 transitions, 1745 flow [2023-09-01 05:27:20,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-01 05:27:20,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2023-09-01 05:27:20,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2369 transitions. [2023-09-01 05:27:20,977 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4669820618963138 [2023-09-01 05:27:20,978 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2369 transitions. [2023-09-01 05:27:20,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2369 transitions. [2023-09-01 05:27:20,979 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:20,979 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2369 transitions. [2023-09-01 05:27:20,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 124.6842105263158) internal successors, (2369), 19 states have internal predecessors, (2369), 0 states have call successors, (0), 0 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 05:27:20,986 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 267.0) internal successors, (5340), 20 states have internal predecessors, (5340), 0 states have call successors, (0), 0 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 05:27:20,986 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 267.0) internal successors, (5340), 20 states have internal predecessors, (5340), 0 states have call successors, (0), 0 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 05:27:20,987 INFO L175 Difference]: Start difference. First operand has 105 places, 98 transitions, 1059 flow. Second operand 19 states and 2369 transitions. [2023-09-01 05:27:20,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 164 transitions, 1745 flow [2023-09-01 05:27:21,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 164 transitions, 1699 flow, removed 11 selfloop flow, removed 4 redundant places. [2023-09-01 05:27:21,007 INFO L231 Difference]: Finished difference. Result has 126 places, 123 transitions, 1494 flow [2023-09-01 05:27:21,007 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=1017, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1494, PETRI_PLACES=126, PETRI_TRANSITIONS=123} [2023-09-01 05:27:21,008 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 88 predicate places. [2023-09-01 05:27:21,008 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 123 transitions, 1494 flow [2023-09-01 05:27:21,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 120.1) internal successors, (1201), 10 states have internal predecessors, (1201), 0 states have call successors, (0), 0 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 05:27:21,009 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:21,009 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:21,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-09-01 05:27:21,009 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 05:27:21,009 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:21,010 INFO L85 PathProgramCache]: Analyzing trace with hash 292515043, now seen corresponding path program 2 times [2023-09-01 05:27:21,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:21,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060562570] [2023-09-01 05:27:21,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:21,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:21,458 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 05:27:21,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:21,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060562570] [2023-09-01 05:27:21,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060562570] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:21,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:21,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-09-01 05:27:21,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219149256] [2023-09-01 05:27:21,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:21,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-09-01 05:27:21,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:21,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-09-01 05:27:21,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-09-01 05:27:21,724 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 267 [2023-09-01 05:27:21,725 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 123 transitions, 1494 flow. Second operand has 10 states, 10 states have (on average 120.1) internal successors, (1201), 10 states have internal predecessors, (1201), 0 states have call successors, (0), 0 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 05:27:21,725 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:21,725 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 267 [2023-09-01 05:27:21,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:22,433 INFO L130 PetriNetUnfolder]: 484/1054 cut-off events. [2023-09-01 05:27:22,433 INFO L131 PetriNetUnfolder]: For 6012/6012 co-relation queries the response was YES. [2023-09-01 05:27:22,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4714 conditions, 1054 events. 484/1054 cut-off events. For 6012/6012 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 5946 event pairs, 75 based on Foata normal form. 15/1069 useless extension candidates. Maximal degree in co-relation 4354. Up to 233 conditions per place. [2023-09-01 05:27:22,440 INFO L137 encePairwiseOnDemand]: 253/267 looper letters, 104 selfloop transitions, 104 changer transitions 12/221 dead transitions. [2023-09-01 05:27:22,440 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 221 transitions, 2537 flow [2023-09-01 05:27:22,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-09-01 05:27:22,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2023-09-01 05:27:22,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 2996 transitions. [2023-09-01 05:27:22,443 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4675405742821473 [2023-09-01 05:27:22,444 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 2996 transitions. [2023-09-01 05:27:22,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 2996 transitions. [2023-09-01 05:27:22,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:22,445 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 2996 transitions. [2023-09-01 05:27:22,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 124.83333333333333) internal successors, (2996), 24 states have internal predecessors, (2996), 0 states have call successors, (0), 0 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 05:27:22,453 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 267.0) internal successors, (6675), 25 states have internal predecessors, (6675), 0 states have call successors, (0), 0 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 05:27:22,454 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 267.0) internal successors, (6675), 25 states have internal predecessors, (6675), 0 states have call successors, (0), 0 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 05:27:22,454 INFO L175 Difference]: Start difference. First operand has 126 places, 123 transitions, 1494 flow. Second operand 24 states and 2996 transitions. [2023-09-01 05:27:22,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 221 transitions, 2537 flow [2023-09-01 05:27:22,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 221 transitions, 2464 flow, removed 18 selfloop flow, removed 5 redundant places. [2023-09-01 05:27:22,472 INFO L231 Difference]: Finished difference. Result has 149 places, 155 transitions, 2058 flow [2023-09-01 05:27:22,472 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=1438, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=2058, PETRI_PLACES=149, PETRI_TRANSITIONS=155} [2023-09-01 05:27:22,472 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 111 predicate places. [2023-09-01 05:27:22,473 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 155 transitions, 2058 flow [2023-09-01 05:27:22,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 120.1) internal successors, (1201), 10 states have internal predecessors, (1201), 0 states have call successors, (0), 0 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 05:27:22,473 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:22,473 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:22,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-09-01 05:27:22,473 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:22,474 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:22,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1756700825, now seen corresponding path program 1 times [2023-09-01 05:27:22,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:22,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829035662] [2023-09-01 05:27:22,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:22,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:22,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:23,018 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 05:27:23,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:23,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829035662] [2023-09-01 05:27:23,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829035662] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:23,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:23,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-09-01 05:27:23,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475391346] [2023-09-01 05:27:23,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:23,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-09-01 05:27:23,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:23,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-09-01 05:27:23,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-09-01 05:27:23,481 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 267 [2023-09-01 05:27:23,482 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 155 transitions, 2058 flow. Second operand has 11 states, 11 states have (on average 120.0) internal successors, (1320), 11 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 05:27:23,482 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:23,483 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 267 [2023-09-01 05:27:23,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:24,093 INFO L130 PetriNetUnfolder]: 528/1145 cut-off events. [2023-09-01 05:27:24,093 INFO L131 PetriNetUnfolder]: For 7990/7990 co-relation queries the response was YES. [2023-09-01 05:27:24,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5640 conditions, 1145 events. 528/1145 cut-off events. For 7990/7990 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 6578 event pairs, 188 based on Foata normal form. 4/1149 useless extension candidates. Maximal degree in co-relation 5158. Up to 824 conditions per place. [2023-09-01 05:27:24,100 INFO L137 encePairwiseOnDemand]: 254/267 looper letters, 118 selfloop transitions, 69 changer transitions 15/203 dead transitions. [2023-09-01 05:27:24,100 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 203 transitions, 2976 flow [2023-09-01 05:27:24,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-01 05:27:24,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-09-01 05:27:24,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1623 transitions. [2023-09-01 05:27:24,103 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4675885911840968 [2023-09-01 05:27:24,103 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1623 transitions. [2023-09-01 05:27:24,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1623 transitions. [2023-09-01 05:27:24,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:24,103 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1623 transitions. [2023-09-01 05:27:24,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 124.84615384615384) internal successors, (1623), 13 states have internal predecessors, (1623), 0 states have call successors, (0), 0 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 05:27:24,108 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 267.0) internal successors, (3738), 14 states have internal predecessors, (3738), 0 states have call successors, (0), 0 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 05:27:24,108 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 267.0) internal successors, (3738), 14 states have internal predecessors, (3738), 0 states have call successors, (0), 0 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 05:27:24,108 INFO L175 Difference]: Start difference. First operand has 149 places, 155 transitions, 2058 flow. Second operand 13 states and 1623 transitions. [2023-09-01 05:27:24,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 203 transitions, 2976 flow [2023-09-01 05:27:24,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 203 transitions, 2815 flow, removed 36 selfloop flow, removed 8 redundant places. [2023-09-01 05:27:24,135 INFO L231 Difference]: Finished difference. Result has 159 places, 169 transitions, 2397 flow [2023-09-01 05:27:24,135 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=1933, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2397, PETRI_PLACES=159, PETRI_TRANSITIONS=169} [2023-09-01 05:27:24,136 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 121 predicate places. [2023-09-01 05:27:24,136 INFO L495 AbstractCegarLoop]: Abstraction has has 159 places, 169 transitions, 2397 flow [2023-09-01 05:27:24,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 120.0) internal successors, (1320), 11 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 05:27:24,136 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:24,136 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:24,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-09-01 05:27:24,137 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:24,137 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:24,137 INFO L85 PathProgramCache]: Analyzing trace with hash 748140182, now seen corresponding path program 2 times [2023-09-01 05:27:24,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:24,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817704242] [2023-09-01 05:27:24,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:24,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:24,374 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 05:27:24,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:24,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817704242] [2023-09-01 05:27:24,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817704242] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:24,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:24,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-01 05:27:24,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931029745] [2023-09-01 05:27:24,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:24,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-01 05:27:24,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:24,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-01 05:27:24,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-09-01 05:27:24,519 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 267 [2023-09-01 05:27:24,520 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 169 transitions, 2397 flow. Second operand has 7 states, 7 states have (on average 128.57142857142858) internal successors, (900), 7 states have internal predecessors, (900), 0 states have call successors, (0), 0 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 05:27:24,520 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:24,520 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 267 [2023-09-01 05:27:24,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:24,870 INFO L130 PetriNetUnfolder]: 545/1257 cut-off events. [2023-09-01 05:27:24,871 INFO L131 PetriNetUnfolder]: For 9224/9269 co-relation queries the response was YES. [2023-09-01 05:27:24,875 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6139 conditions, 1257 events. 545/1257 cut-off events. For 9224/9269 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 7889 event pairs, 212 based on Foata normal form. 19/1276 useless extension candidates. Maximal degree in co-relation 5983. Up to 548 conditions per place. [2023-09-01 05:27:24,879 INFO L137 encePairwiseOnDemand]: 257/267 looper letters, 184 selfloop transitions, 38 changer transitions 1/229 dead transitions. [2023-09-01 05:27:24,880 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 229 transitions, 3179 flow [2023-09-01 05:27:24,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-01 05:27:24,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-09-01 05:27:24,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1236 transitions. [2023-09-01 05:27:24,882 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5143570536828964 [2023-09-01 05:27:24,882 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1236 transitions. [2023-09-01 05:27:24,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1236 transitions. [2023-09-01 05:27:24,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:24,882 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1236 transitions. [2023-09-01 05:27:24,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 137.33333333333334) internal successors, (1236), 9 states have internal predecessors, (1236), 0 states have call successors, (0), 0 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 05:27:24,886 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 267.0) internal successors, (2670), 10 states have internal predecessors, (2670), 0 states have call successors, (0), 0 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 05:27:24,886 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 267.0) internal successors, (2670), 10 states have internal predecessors, (2670), 0 states have call successors, (0), 0 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 05:27:24,886 INFO L175 Difference]: Start difference. First operand has 159 places, 169 transitions, 2397 flow. Second operand 9 states and 1236 transitions. [2023-09-01 05:27:24,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 229 transitions, 3179 flow [2023-09-01 05:27:24,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 229 transitions, 3129 flow, removed 8 selfloop flow, removed 7 redundant places. [2023-09-01 05:27:24,917 INFO L231 Difference]: Finished difference. Result has 160 places, 175 transitions, 2521 flow [2023-09-01 05:27:24,917 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=2351, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2521, PETRI_PLACES=160, PETRI_TRANSITIONS=175} [2023-09-01 05:27:24,917 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 122 predicate places. [2023-09-01 05:27:24,917 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 175 transitions, 2521 flow [2023-09-01 05:27:24,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 128.57142857142858) internal successors, (900), 7 states have internal predecessors, (900), 0 states have call successors, (0), 0 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 05:27:24,918 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:24,918 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:24,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-09-01 05:27:24,918 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:24,919 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:24,919 INFO L85 PathProgramCache]: Analyzing trace with hash 640261112, now seen corresponding path program 3 times [2023-09-01 05:27:24,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:24,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771279213] [2023-09-01 05:27:24,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:24,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:25,343 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 05:27:25,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:25,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771279213] [2023-09-01 05:27:25,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771279213] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:25,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:25,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-09-01 05:27:25,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267434694] [2023-09-01 05:27:25,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:25,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-09-01 05:27:25,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:25,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-09-01 05:27:25,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-09-01 05:27:25,636 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 267 [2023-09-01 05:27:25,637 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 175 transitions, 2521 flow. Second operand has 10 states, 10 states have (on average 118.1) internal successors, (1181), 10 states have internal predecessors, (1181), 0 states have call successors, (0), 0 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 05:27:25,637 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:25,637 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 267 [2023-09-01 05:27:25,637 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:26,094 INFO L130 PetriNetUnfolder]: 560/1273 cut-off events. [2023-09-01 05:27:26,094 INFO L131 PetriNetUnfolder]: For 10341/10341 co-relation queries the response was YES. [2023-09-01 05:27:26,098 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6405 conditions, 1273 events. 560/1273 cut-off events. For 10341/10341 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 7896 event pairs, 221 based on Foata normal form. 5/1278 useless extension candidates. Maximal degree in co-relation 5858. Up to 870 conditions per place. [2023-09-01 05:27:26,102 INFO L137 encePairwiseOnDemand]: 255/267 looper letters, 159 selfloop transitions, 46 changer transitions 3/209 dead transitions. [2023-09-01 05:27:26,103 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 209 transitions, 3088 flow [2023-09-01 05:27:26,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-09-01 05:27:26,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-09-01 05:27:26,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1485 transitions. [2023-09-01 05:27:26,105 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46348314606741575 [2023-09-01 05:27:26,105 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1485 transitions. [2023-09-01 05:27:26,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1485 transitions. [2023-09-01 05:27:26,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:26,106 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1485 transitions. [2023-09-01 05:27:26,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 123.75) internal successors, (1485), 12 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:26,110 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 267.0) internal successors, (3471), 13 states have internal predecessors, (3471), 0 states have call successors, (0), 0 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 05:27:26,110 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 267.0) internal successors, (3471), 13 states have internal predecessors, (3471), 0 states have call successors, (0), 0 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 05:27:26,110 INFO L175 Difference]: Start difference. First operand has 160 places, 175 transitions, 2521 flow. Second operand 12 states and 1485 transitions. [2023-09-01 05:27:26,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 209 transitions, 3088 flow [2023-09-01 05:27:26,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 209 transitions, 3036 flow, removed 11 selfloop flow, removed 3 redundant places. [2023-09-01 05:27:26,144 INFO L231 Difference]: Finished difference. Result has 169 places, 178 transitions, 2615 flow [2023-09-01 05:27:26,145 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=2469, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2615, PETRI_PLACES=169, PETRI_TRANSITIONS=178} [2023-09-01 05:27:26,146 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 131 predicate places. [2023-09-01 05:27:26,174 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 178 transitions, 2615 flow [2023-09-01 05:27:26,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 118.1) internal successors, (1181), 10 states have internal predecessors, (1181), 0 states have call successors, (0), 0 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 05:27:26,174 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:26,174 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:26,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-09-01 05:27:26,175 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:26,175 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:26,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1357731734, now seen corresponding path program 4 times [2023-09-01 05:27:26,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:26,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660530312] [2023-09-01 05:27:26,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:26,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:26,474 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 05:27:26,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:26,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660530312] [2023-09-01 05:27:26,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660530312] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:26,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:26,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-01 05:27:26,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079007060] [2023-09-01 05:27:26,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:26,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-01 05:27:26,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:26,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-01 05:27:26,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-09-01 05:27:26,508 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 267 [2023-09-01 05:27:26,509 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 178 transitions, 2615 flow. Second operand has 7 states, 7 states have (on average 130.57142857142858) internal successors, (914), 7 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:26,509 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:26,509 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 267 [2023-09-01 05:27:26,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:26,761 INFO L130 PetriNetUnfolder]: 349/894 cut-off events. [2023-09-01 05:27:26,761 INFO L131 PetriNetUnfolder]: For 7847/7847 co-relation queries the response was YES. [2023-09-01 05:27:26,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4323 conditions, 894 events. 349/894 cut-off events. For 7847/7847 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 5489 event pairs, 148 based on Foata normal form. 36/930 useless extension candidates. Maximal degree in co-relation 4132. Up to 506 conditions per place. [2023-09-01 05:27:26,770 INFO L137 encePairwiseOnDemand]: 260/267 looper letters, 123 selfloop transitions, 18 changer transitions 0/147 dead transitions. [2023-09-01 05:27:26,770 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 147 transitions, 2200 flow [2023-09-01 05:27:26,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-01 05:27:26,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-09-01 05:27:26,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 817 transitions. [2023-09-01 05:27:26,772 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5099875156054932 [2023-09-01 05:27:26,772 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 817 transitions. [2023-09-01 05:27:26,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 817 transitions. [2023-09-01 05:27:26,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:26,772 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 817 transitions. [2023-09-01 05:27:26,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 136.16666666666666) internal successors, (817), 6 states have internal predecessors, (817), 0 states have call successors, (0), 0 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 05:27:26,775 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 267.0) internal successors, (1869), 7 states have internal predecessors, (1869), 0 states have call successors, (0), 0 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 05:27:26,775 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 267.0) internal successors, (1869), 7 states have internal predecessors, (1869), 0 states have call successors, (0), 0 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 05:27:26,775 INFO L175 Difference]: Start difference. First operand has 169 places, 178 transitions, 2615 flow. Second operand 6 states and 817 transitions. [2023-09-01 05:27:26,775 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 147 transitions, 2200 flow [2023-09-01 05:27:26,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 147 transitions, 1963 flow, removed 36 selfloop flow, removed 21 redundant places. [2023-09-01 05:27:26,795 INFO L231 Difference]: Finished difference. Result has 149 places, 134 transitions, 1628 flow [2023-09-01 05:27:26,795 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=1546, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1628, PETRI_PLACES=149, PETRI_TRANSITIONS=134} [2023-09-01 05:27:26,796 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 111 predicate places. [2023-09-01 05:27:26,796 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 134 transitions, 1628 flow [2023-09-01 05:27:26,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 130.57142857142858) internal successors, (914), 7 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:26,796 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:26,797 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:26,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-09-01 05:27:26,797 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:26,797 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:26,797 INFO L85 PathProgramCache]: Analyzing trace with hash 749048795, now seen corresponding path program 2 times [2023-09-01 05:27:26,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:26,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585275284] [2023-09-01 05:27:26,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:26,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:27,461 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 05:27:27,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:27,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585275284] [2023-09-01 05:27:27,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585275284] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:27,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:27,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-09-01 05:27:27,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080405581] [2023-09-01 05:27:27,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:27,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-09-01 05:27:27,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:27,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-09-01 05:27:27,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-09-01 05:27:27,857 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 267 [2023-09-01 05:27:27,857 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 134 transitions, 1628 flow. Second operand has 11 states, 11 states have (on average 120.0) internal successors, (1320), 11 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 05:27:27,858 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:27,858 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 267 [2023-09-01 05:27:27,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:28,424 INFO L130 PetriNetUnfolder]: 364/908 cut-off events. [2023-09-01 05:27:28,425 INFO L131 PetriNetUnfolder]: For 5992/5992 co-relation queries the response was YES. [2023-09-01 05:27:28,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4212 conditions, 908 events. 364/908 cut-off events. For 5992/5992 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 5400 event pairs, 167 based on Foata normal form. 4/912 useless extension candidates. Maximal degree in co-relation 3970. Up to 713 conditions per place. [2023-09-01 05:27:28,431 INFO L137 encePairwiseOnDemand]: 254/267 looper letters, 106 selfloop transitions, 42 changer transitions 11/160 dead transitions. [2023-09-01 05:27:28,431 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 160 transitions, 2104 flow [2023-09-01 05:27:28,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-01 05:27:28,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-09-01 05:27:28,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1741 transitions. [2023-09-01 05:27:28,433 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46575708935259497 [2023-09-01 05:27:28,433 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1741 transitions. [2023-09-01 05:27:28,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1741 transitions. [2023-09-01 05:27:28,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:28,434 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1741 transitions. [2023-09-01 05:27:28,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 124.35714285714286) internal successors, (1741), 14 states have internal predecessors, (1741), 0 states have call successors, (0), 0 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 05:27:28,438 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 267.0) internal successors, (4005), 15 states have internal predecessors, (4005), 0 states have call successors, (0), 0 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 05:27:28,439 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 267.0) internal successors, (4005), 15 states have internal predecessors, (4005), 0 states have call successors, (0), 0 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 05:27:28,439 INFO L175 Difference]: Start difference. First operand has 149 places, 134 transitions, 1628 flow. Second operand 14 states and 1741 transitions. [2023-09-01 05:27:28,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 160 transitions, 2104 flow [2023-09-01 05:27:28,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 160 transitions, 2061 flow, removed 6 selfloop flow, removed 4 redundant places. [2023-09-01 05:27:28,455 INFO L231 Difference]: Finished difference. Result has 160 places, 132 transitions, 1641 flow [2023-09-01 05:27:28,455 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=1589, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1641, PETRI_PLACES=160, PETRI_TRANSITIONS=132} [2023-09-01 05:27:28,455 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 122 predicate places. [2023-09-01 05:27:28,456 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 132 transitions, 1641 flow [2023-09-01 05:27:28,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 120.0) internal successors, (1320), 11 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 05:27:28,456 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:28,456 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:28,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-09-01 05:27:28,456 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:28,457 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:28,457 INFO L85 PathProgramCache]: Analyzing trace with hash 518668265, now seen corresponding path program 3 times [2023-09-01 05:27:28,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:28,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214355565] [2023-09-01 05:27:28,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:28,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:28,954 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 05:27:28,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:28,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214355565] [2023-09-01 05:27:28,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214355565] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:28,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:28,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-09-01 05:27:28,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260743976] [2023-09-01 05:27:28,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:28,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-09-01 05:27:28,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:28,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-09-01 05:27:28,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-09-01 05:27:29,380 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 267 [2023-09-01 05:27:29,381 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 132 transitions, 1641 flow. Second operand has 11 states, 11 states have (on average 120.0) internal successors, (1320), 11 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 05:27:29,381 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:29,381 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 267 [2023-09-01 05:27:29,381 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:30,062 INFO L130 PetriNetUnfolder]: 359/905 cut-off events. [2023-09-01 05:27:30,063 INFO L131 PetriNetUnfolder]: For 5889/5889 co-relation queries the response was YES. [2023-09-01 05:27:30,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4249 conditions, 905 events. 359/905 cut-off events. For 5889/5889 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 5426 event pairs, 134 based on Foata normal form. 4/909 useless extension candidates. Maximal degree in co-relation 4157. Up to 681 conditions per place. [2023-09-01 05:27:30,072 INFO L137 encePairwiseOnDemand]: 254/267 looper letters, 108 selfloop transitions, 54 changer transitions 3/166 dead transitions. [2023-09-01 05:27:30,072 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 166 transitions, 2176 flow [2023-09-01 05:27:30,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-01 05:27:30,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-09-01 05:27:30,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2229 transitions. [2023-09-01 05:27:30,076 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4637952559300874 [2023-09-01 05:27:30,076 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2229 transitions. [2023-09-01 05:27:30,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2229 transitions. [2023-09-01 05:27:30,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:30,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2229 transitions. [2023-09-01 05:27:30,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 123.83333333333333) internal successors, (2229), 18 states have internal predecessors, (2229), 0 states have call successors, (0), 0 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 05:27:30,113 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 267.0) internal successors, (5073), 19 states have internal predecessors, (5073), 0 states have call successors, (0), 0 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 05:27:30,114 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 267.0) internal successors, (5073), 19 states have internal predecessors, (5073), 0 states have call successors, (0), 0 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 05:27:30,114 INFO L175 Difference]: Start difference. First operand has 160 places, 132 transitions, 1641 flow. Second operand 18 states and 2229 transitions. [2023-09-01 05:27:30,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 166 transitions, 2176 flow [2023-09-01 05:27:30,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 166 transitions, 2071 flow, removed 13 selfloop flow, removed 12 redundant places. [2023-09-01 05:27:30,134 INFO L231 Difference]: Finished difference. Result has 167 places, 139 transitions, 1765 flow [2023-09-01 05:27:30,134 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=1542, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=1765, PETRI_PLACES=167, PETRI_TRANSITIONS=139} [2023-09-01 05:27:30,135 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 129 predicate places. [2023-09-01 05:27:30,135 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 139 transitions, 1765 flow [2023-09-01 05:27:30,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 120.0) internal successors, (1320), 11 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 05:27:30,136 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:30,136 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:30,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-09-01 05:27:30,136 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 05:27:30,137 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:30,137 INFO L85 PathProgramCache]: Analyzing trace with hash 2051198523, now seen corresponding path program 3 times [2023-09-01 05:27:30,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:30,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975070627] [2023-09-01 05:27:30,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:30,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:30,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:27:30,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:30,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975070627] [2023-09-01 05:27:30,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975070627] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:30,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:30,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-09-01 05:27:30,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863784561] [2023-09-01 05:27:30,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:30,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-09-01 05:27:30,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:30,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-09-01 05:27:30,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-09-01 05:27:30,925 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 267 [2023-09-01 05:27:30,926 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 139 transitions, 1765 flow. Second operand has 10 states, 10 states have (on average 120.1) internal successors, (1201), 10 states have internal predecessors, (1201), 0 states have call successors, (0), 0 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 05:27:30,926 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:30,926 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 267 [2023-09-01 05:27:30,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:31,438 INFO L130 PetriNetUnfolder]: 383/965 cut-off events. [2023-09-01 05:27:31,439 INFO L131 PetriNetUnfolder]: For 6581/6581 co-relation queries the response was YES. [2023-09-01 05:27:31,442 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4669 conditions, 965 events. 383/965 cut-off events. For 6581/6581 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 5944 event pairs, 109 based on Foata normal form. 5/970 useless extension candidates. Maximal degree in co-relation 4428. Up to 599 conditions per place. [2023-09-01 05:27:31,447 INFO L137 encePairwiseOnDemand]: 252/267 looper letters, 105 selfloop transitions, 67 changer transitions 3/176 dead transitions. [2023-09-01 05:27:31,447 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 176 transitions, 2350 flow [2023-09-01 05:27:31,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-01 05:27:31,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-09-01 05:27:31,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1633 transitions. [2023-09-01 05:27:31,449 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47046960530106596 [2023-09-01 05:27:31,450 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1633 transitions. [2023-09-01 05:27:31,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1633 transitions. [2023-09-01 05:27:31,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:31,450 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1633 transitions. [2023-09-01 05:27:31,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 125.61538461538461) internal successors, (1633), 13 states have internal predecessors, (1633), 0 states have call successors, (0), 0 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 05:27:31,454 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 267.0) internal successors, (3738), 14 states have internal predecessors, (3738), 0 states have call successors, (0), 0 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 05:27:31,455 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 267.0) internal successors, (3738), 14 states have internal predecessors, (3738), 0 states have call successors, (0), 0 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 05:27:31,455 INFO L175 Difference]: Start difference. First operand has 167 places, 139 transitions, 1765 flow. Second operand 13 states and 1633 transitions. [2023-09-01 05:27:31,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 176 transitions, 2350 flow [2023-09-01 05:27:31,471 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 176 transitions, 2258 flow, removed 7 selfloop flow, removed 12 redundant places. [2023-09-01 05:27:31,473 INFO L231 Difference]: Finished difference. Result has 170 places, 149 transitions, 1979 flow [2023-09-01 05:27:31,474 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=1653, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1979, PETRI_PLACES=170, PETRI_TRANSITIONS=149} [2023-09-01 05:27:31,474 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 132 predicate places. [2023-09-01 05:27:31,474 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 149 transitions, 1979 flow [2023-09-01 05:27:31,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 120.1) internal successors, (1201), 10 states have internal predecessors, (1201), 0 states have call successors, (0), 0 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 05:27:31,475 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:31,475 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:31,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-09-01 05:27:31,475 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 05:27:31,475 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:31,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1421320481, now seen corresponding path program 4 times [2023-09-01 05:27:31,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:31,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082915240] [2023-09-01 05:27:31,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:31,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:31,694 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 05:27:31,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:31,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082915240] [2023-09-01 05:27:31,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082915240] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:31,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:31,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-09-01 05:27:31,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490543900] [2023-09-01 05:27:31,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:31,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-01 05:27:31,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:31,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-01 05:27:31,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-09-01 05:27:31,725 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 267 [2023-09-01 05:27:31,725 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 149 transitions, 1979 flow. Second operand has 6 states, 6 states have (on average 130.83333333333334) internal successors, (785), 6 states have internal predecessors, (785), 0 states have call successors, (0), 0 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 05:27:31,725 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:31,726 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 267 [2023-09-01 05:27:31,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:31,896 INFO L130 PetriNetUnfolder]: 238/670 cut-off events. [2023-09-01 05:27:31,896 INFO L131 PetriNetUnfolder]: For 4732/4732 co-relation queries the response was YES. [2023-09-01 05:27:31,898 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3188 conditions, 670 events. 238/670 cut-off events. For 4732/4732 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 4003 event pairs, 74 based on Foata normal form. 8/677 useless extension candidates. Maximal degree in co-relation 3125. Up to 295 conditions per place. [2023-09-01 05:27:31,900 INFO L137 encePairwiseOnDemand]: 260/267 looper letters, 97 selfloop transitions, 22 changer transitions 1/127 dead transitions. [2023-09-01 05:27:31,900 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 127 transitions, 1782 flow [2023-09-01 05:27:31,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-01 05:27:31,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-09-01 05:27:31,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 818 transitions. [2023-09-01 05:27:31,902 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5106117353308365 [2023-09-01 05:27:31,902 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 818 transitions. [2023-09-01 05:27:31,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 818 transitions. [2023-09-01 05:27:31,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:31,903 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 818 transitions. [2023-09-01 05:27:31,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 136.33333333333334) internal successors, (818), 6 states have internal predecessors, (818), 0 states have call successors, (0), 0 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 05:27:31,905 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 267.0) internal successors, (1869), 7 states have internal predecessors, (1869), 0 states have call successors, (0), 0 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 05:27:31,905 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 267.0) internal successors, (1869), 7 states have internal predecessors, (1869), 0 states have call successors, (0), 0 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 05:27:31,905 INFO L175 Difference]: Start difference. First operand has 170 places, 149 transitions, 1979 flow. Second operand 6 states and 818 transitions. [2023-09-01 05:27:31,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 127 transitions, 1782 flow [2023-09-01 05:27:31,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 127 transitions, 1604 flow, removed 22 selfloop flow, removed 24 redundant places. [2023-09-01 05:27:31,918 INFO L231 Difference]: Finished difference. Result has 143 places, 114 transitions, 1343 flow [2023-09-01 05:27:31,918 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=1280, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1343, PETRI_PLACES=143, PETRI_TRANSITIONS=114} [2023-09-01 05:27:31,919 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 105 predicate places. [2023-09-01 05:27:31,920 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 114 transitions, 1343 flow [2023-09-01 05:27:31,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 130.83333333333334) internal successors, (785), 6 states have internal predecessors, (785), 0 states have call successors, (0), 0 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 05:27:31,920 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:31,920 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:31,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-09-01 05:27:31,920 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 05:27:31,920 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:31,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1552931986, now seen corresponding path program 1 times [2023-09-01 05:27:31,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:31,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667447379] [2023-09-01 05:27:31,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:31,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:32,430 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 05:27:32,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:32,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667447379] [2023-09-01 05:27:32,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667447379] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:32,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:32,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-09-01 05:27:32,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667106318] [2023-09-01 05:27:32,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:32,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-09-01 05:27:32,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:32,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-09-01 05:27:32,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-09-01 05:27:32,783 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 267 [2023-09-01 05:27:32,783 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 114 transitions, 1343 flow. Second operand has 11 states, 11 states have (on average 118.0909090909091) internal successors, (1299), 11 states have internal predecessors, (1299), 0 states have call successors, (0), 0 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 05:27:32,783 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:32,784 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 267 [2023-09-01 05:27:32,784 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:33,245 INFO L130 PetriNetUnfolder]: 255/697 cut-off events. [2023-09-01 05:27:33,245 INFO L131 PetriNetUnfolder]: For 3645/3645 co-relation queries the response was YES. [2023-09-01 05:27:33,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3125 conditions, 697 events. 255/697 cut-off events. For 3645/3645 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 4074 event pairs, 126 based on Foata normal form. 3/700 useless extension candidates. Maximal degree in co-relation 2879. Up to 365 conditions per place. [2023-09-01 05:27:33,249 INFO L137 encePairwiseOnDemand]: 257/267 looper letters, 104 selfloop transitions, 35 changer transitions 3/143 dead transitions. [2023-09-01 05:27:33,249 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 143 transitions, 1742 flow [2023-09-01 05:27:33,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-01 05:27:33,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-09-01 05:27:33,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1369 transitions. [2023-09-01 05:27:33,253 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46612189308818525 [2023-09-01 05:27:33,253 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1369 transitions. [2023-09-01 05:27:33,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1369 transitions. [2023-09-01 05:27:33,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:33,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1369 transitions. [2023-09-01 05:27:33,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 124.45454545454545) internal successors, (1369), 11 states have internal predecessors, (1369), 0 states have call successors, (0), 0 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 05:27:33,257 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 267.0) internal successors, (3204), 12 states have internal predecessors, (3204), 0 states have call successors, (0), 0 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 05:27:33,257 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 267.0) internal successors, (3204), 12 states have internal predecessors, (3204), 0 states have call successors, (0), 0 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 05:27:33,257 INFO L175 Difference]: Start difference. First operand has 143 places, 114 transitions, 1343 flow. Second operand 11 states and 1369 transitions. [2023-09-01 05:27:33,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 143 transitions, 1742 flow [2023-09-01 05:27:33,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 143 transitions, 1705 flow, removed 1 selfloop flow, removed 4 redundant places. [2023-09-01 05:27:33,268 INFO L231 Difference]: Finished difference. Result has 149 places, 112 transitions, 1357 flow [2023-09-01 05:27:33,268 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=1287, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1357, PETRI_PLACES=149, PETRI_TRANSITIONS=112} [2023-09-01 05:27:33,268 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 111 predicate places. [2023-09-01 05:27:33,269 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 112 transitions, 1357 flow [2023-09-01 05:27:33,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 118.0909090909091) internal successors, (1299), 11 states have internal predecessors, (1299), 0 states have call successors, (0), 0 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 05:27:33,269 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:33,269 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:33,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-09-01 05:27:33,269 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 05:27:33,270 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:33,270 INFO L85 PathProgramCache]: Analyzing trace with hash 306059660, now seen corresponding path program 1 times [2023-09-01 05:27:33,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:33,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791877393] [2023-09-01 05:27:33,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:33,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:33,844 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 05:27:33,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:33,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791877393] [2023-09-01 05:27:33,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791877393] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:33,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:33,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-09-01 05:27:33,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495947840] [2023-09-01 05:27:33,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:33,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-09-01 05:27:33,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:33,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-09-01 05:27:33,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-09-01 05:27:34,248 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 267 [2023-09-01 05:27:34,249 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 112 transitions, 1357 flow. Second operand has 12 states, 12 states have (on average 120.0) internal successors, (1440), 12 states have internal predecessors, (1440), 0 states have call successors, (0), 0 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 05:27:34,249 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:34,249 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 267 [2023-09-01 05:27:34,249 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:34,796 INFO L130 PetriNetUnfolder]: 254/694 cut-off events. [2023-09-01 05:27:34,797 INFO L131 PetriNetUnfolder]: For 3603/3603 co-relation queries the response was YES. [2023-09-01 05:27:34,798 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3145 conditions, 694 events. 254/694 cut-off events. For 3603/3603 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 4044 event pairs, 134 based on Foata normal form. 2/696 useless extension candidates. Maximal degree in co-relation 2859. Up to 548 conditions per place. [2023-09-01 05:27:34,799 INFO L137 encePairwiseOnDemand]: 255/267 looper letters, 86 selfloop transitions, 41 changer transitions 1/129 dead transitions. [2023-09-01 05:27:34,800 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 129 transitions, 1698 flow [2023-09-01 05:27:34,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-09-01 05:27:34,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-09-01 05:27:34,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1966 transitions. [2023-09-01 05:27:34,802 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4602059925093633 [2023-09-01 05:27:34,802 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1966 transitions. [2023-09-01 05:27:34,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1966 transitions. [2023-09-01 05:27:34,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:34,802 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1966 transitions. [2023-09-01 05:27:34,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 122.875) internal successors, (1966), 16 states have internal predecessors, (1966), 0 states have call successors, (0), 0 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 05:27:34,806 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 267.0) internal successors, (4539), 17 states have internal predecessors, (4539), 0 states have call successors, (0), 0 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 05:27:34,807 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 267.0) internal successors, (4539), 17 states have internal predecessors, (4539), 0 states have call successors, (0), 0 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 05:27:34,807 INFO L175 Difference]: Start difference. First operand has 149 places, 112 transitions, 1357 flow. Second operand 16 states and 1966 transitions. [2023-09-01 05:27:34,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 129 transitions, 1698 flow [2023-09-01 05:27:34,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 129 transitions, 1588 flow, removed 0 selfloop flow, removed 11 redundant places. [2023-09-01 05:27:34,816 INFO L231 Difference]: Finished difference. Result has 152 places, 111 transitions, 1330 flow [2023-09-01 05:27:34,816 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=1248, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1330, PETRI_PLACES=152, PETRI_TRANSITIONS=111} [2023-09-01 05:27:34,817 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 114 predicate places. [2023-09-01 05:27:34,817 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 111 transitions, 1330 flow [2023-09-01 05:27:34,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 120.0) internal successors, (1440), 12 states have internal predecessors, (1440), 0 states have call successors, (0), 0 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 05:27:34,817 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:34,817 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:34,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-09-01 05:27:34,818 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:34,818 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:34,818 INFO L85 PathProgramCache]: Analyzing trace with hash 306059661, now seen corresponding path program 1 times [2023-09-01 05:27:34,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:34,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250247408] [2023-09-01 05:27:34,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:34,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:35,323 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 05:27:35,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:35,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250247408] [2023-09-01 05:27:35,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250247408] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:35,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:35,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-09-01 05:27:35,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115650358] [2023-09-01 05:27:35,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:35,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-09-01 05:27:35,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:35,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-09-01 05:27:35,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-09-01 05:27:35,682 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 267 [2023-09-01 05:27:35,682 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 111 transitions, 1330 flow. Second operand has 12 states, 12 states have (on average 120.0) internal successors, (1440), 12 states have internal predecessors, (1440), 0 states have call successors, (0), 0 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 05:27:35,683 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:35,683 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 267 [2023-09-01 05:27:35,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:36,188 INFO L130 PetriNetUnfolder]: 193/563 cut-off events. [2023-09-01 05:27:36,188 INFO L131 PetriNetUnfolder]: For 3436/3436 co-relation queries the response was YES. [2023-09-01 05:27:36,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2691 conditions, 563 events. 193/563 cut-off events. For 3436/3436 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 3153 event pairs, 72 based on Foata normal form. 2/565 useless extension candidates. Maximal degree in co-relation 2511. Up to 426 conditions per place. [2023-09-01 05:27:36,191 INFO L137 encePairwiseOnDemand]: 255/267 looper letters, 79 selfloop transitions, 35 changer transitions 12/127 dead transitions. [2023-09-01 05:27:36,191 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 127 transitions, 1656 flow [2023-09-01 05:27:36,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-09-01 05:27:36,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-09-01 05:27:36,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1964 transitions. [2023-09-01 05:27:36,193 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4597378277153558 [2023-09-01 05:27:36,193 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1964 transitions. [2023-09-01 05:27:36,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1964 transitions. [2023-09-01 05:27:36,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:36,194 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1964 transitions. [2023-09-01 05:27:36,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 122.75) internal successors, (1964), 16 states have internal predecessors, (1964), 0 states have call successors, (0), 0 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 05:27:36,198 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 267.0) internal successors, (4539), 17 states have internal predecessors, (4539), 0 states have call successors, (0), 0 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 05:27:36,198 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 267.0) internal successors, (4539), 17 states have internal predecessors, (4539), 0 states have call successors, (0), 0 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 05:27:36,198 INFO L175 Difference]: Start difference. First operand has 152 places, 111 transitions, 1330 flow. Second operand 16 states and 1964 transitions. [2023-09-01 05:27:36,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 127 transitions, 1656 flow [2023-09-01 05:27:36,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 127 transitions, 1502 flow, removed 7 selfloop flow, removed 18 redundant places. [2023-09-01 05:27:36,207 INFO L231 Difference]: Finished difference. Result has 148 places, 103 transitions, 1196 flow [2023-09-01 05:27:36,207 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=1170, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1196, PETRI_PLACES=148, PETRI_TRANSITIONS=103} [2023-09-01 05:27:36,208 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 110 predicate places. [2023-09-01 05:27:36,208 INFO L495 AbstractCegarLoop]: Abstraction has has 148 places, 103 transitions, 1196 flow [2023-09-01 05:27:36,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 120.0) internal successors, (1440), 12 states have internal predecessors, (1440), 0 states have call successors, (0), 0 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 05:27:36,208 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:36,208 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:36,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-09-01 05:27:36,209 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 05:27:36,209 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:36,209 INFO L85 PathProgramCache]: Analyzing trace with hash 474247600, now seen corresponding path program 2 times [2023-09-01 05:27:36,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:36,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605700830] [2023-09-01 05:27:36,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:36,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:36,725 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 05:27:36,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:36,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605700830] [2023-09-01 05:27:36,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605700830] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:36,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:36,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-09-01 05:27:36,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340333479] [2023-09-01 05:27:36,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:36,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-09-01 05:27:36,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:36,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-09-01 05:27:36,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-09-01 05:27:37,110 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 267 [2023-09-01 05:27:37,111 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 103 transitions, 1196 flow. Second operand has 11 states, 11 states have (on average 118.0909090909091) internal successors, (1299), 11 states have internal predecessors, (1299), 0 states have call successors, (0), 0 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 05:27:37,111 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:37,111 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 267 [2023-09-01 05:27:37,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:37,418 INFO L130 PetriNetUnfolder]: 183/535 cut-off events. [2023-09-01 05:27:37,418 INFO L131 PetriNetUnfolder]: For 3282/3282 co-relation queries the response was YES. [2023-09-01 05:27:37,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2488 conditions, 535 events. 183/535 cut-off events. For 3282/3282 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2973 event pairs, 69 based on Foata normal form. 3/538 useless extension candidates. Maximal degree in co-relation 2158. Up to 355 conditions per place. [2023-09-01 05:27:37,446 INFO L137 encePairwiseOnDemand]: 257/267 looper letters, 84 selfloop transitions, 33 changer transitions 0/118 dead transitions. [2023-09-01 05:27:37,446 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 118 transitions, 1485 flow [2023-09-01 05:27:37,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-01 05:27:37,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-09-01 05:27:37,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1225 transitions. [2023-09-01 05:27:37,449 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45880149812734083 [2023-09-01 05:27:37,449 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1225 transitions. [2023-09-01 05:27:37,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1225 transitions. [2023-09-01 05:27:37,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:37,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1225 transitions. [2023-09-01 05:27:37,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 122.5) internal successors, (1225), 10 states have internal predecessors, (1225), 0 states have call successors, (0), 0 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 05:27:37,453 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 267.0) internal successors, (2937), 11 states have internal predecessors, (2937), 0 states have call successors, (0), 0 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 05:27:37,454 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 267.0) internal successors, (2937), 11 states have internal predecessors, (2937), 0 states have call successors, (0), 0 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 05:27:37,454 INFO L175 Difference]: Start difference. First operand has 148 places, 103 transitions, 1196 flow. Second operand 10 states and 1225 transitions. [2023-09-01 05:27:37,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 118 transitions, 1485 flow [2023-09-01 05:27:37,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 118 transitions, 1383 flow, removed 10 selfloop flow, removed 12 redundant places. [2023-09-01 05:27:37,483 INFO L231 Difference]: Finished difference. Result has 132 places, 101 transitions, 1144 flow [2023-09-01 05:27:37,483 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=1078, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1144, PETRI_PLACES=132, PETRI_TRANSITIONS=101} [2023-09-01 05:27:37,483 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 94 predicate places. [2023-09-01 05:27:37,484 INFO L495 AbstractCegarLoop]: Abstraction has has 132 places, 101 transitions, 1144 flow [2023-09-01 05:27:37,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 118.0909090909091) internal successors, (1299), 11 states have internal predecessors, (1299), 0 states have call successors, (0), 0 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 05:27:37,484 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:37,484 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:37,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-09-01 05:27:37,485 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 05:27:37,485 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:37,485 INFO L85 PathProgramCache]: Analyzing trace with hash 998819386, now seen corresponding path program 3 times [2023-09-01 05:27:37,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:37,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970703524] [2023-09-01 05:27:37,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:37,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:38,137 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 05:27:38,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:38,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970703524] [2023-09-01 05:27:38,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970703524] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:38,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:38,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-09-01 05:27:38,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307705963] [2023-09-01 05:27:38,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:38,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-09-01 05:27:38,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:38,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-09-01 05:27:38,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-09-01 05:27:38,441 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 267 [2023-09-01 05:27:38,442 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 101 transitions, 1144 flow. Second operand has 11 states, 11 states have (on average 118.0909090909091) internal successors, (1299), 11 states have internal predecessors, (1299), 0 states have call successors, (0), 0 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 05:27:38,442 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:38,442 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 267 [2023-09-01 05:27:38,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:38,786 INFO L130 PetriNetUnfolder]: 194/562 cut-off events. [2023-09-01 05:27:38,786 INFO L131 PetriNetUnfolder]: For 2861/2861 co-relation queries the response was YES. [2023-09-01 05:27:38,787 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2526 conditions, 562 events. 194/562 cut-off events. For 2861/2861 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 3161 event pairs, 58 based on Foata normal form. 3/565 useless extension candidates. Maximal degree in co-relation 2292. Up to 262 conditions per place. [2023-09-01 05:27:38,789 INFO L137 encePairwiseOnDemand]: 256/267 looper letters, 85 selfloop transitions, 44 changer transitions 0/130 dead transitions. [2023-09-01 05:27:38,789 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 130 transitions, 1548 flow [2023-09-01 05:27:38,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-01 05:27:38,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-09-01 05:27:38,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1235 transitions. [2023-09-01 05:27:38,791 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46254681647940077 [2023-09-01 05:27:38,791 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1235 transitions. [2023-09-01 05:27:38,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1235 transitions. [2023-09-01 05:27:38,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:38,791 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1235 transitions. [2023-09-01 05:27:38,793 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 123.5) internal successors, (1235), 10 states have internal predecessors, (1235), 0 states have call successors, (0), 0 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 05:27:38,794 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 267.0) internal successors, (2937), 11 states have internal predecessors, (2937), 0 states have call successors, (0), 0 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 05:27:38,794 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 267.0) internal successors, (2937), 11 states have internal predecessors, (2937), 0 states have call successors, (0), 0 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 05:27:38,794 INFO L175 Difference]: Start difference. First operand has 132 places, 101 transitions, 1144 flow. Second operand 10 states and 1235 transitions. [2023-09-01 05:27:38,794 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 130 transitions, 1548 flow [2023-09-01 05:27:38,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 130 transitions, 1484 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-09-01 05:27:38,802 INFO L231 Difference]: Finished difference. Result has 136 places, 107 transitions, 1268 flow [2023-09-01 05:27:38,803 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=1080, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1268, PETRI_PLACES=136, PETRI_TRANSITIONS=107} [2023-09-01 05:27:38,803 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 98 predicate places. [2023-09-01 05:27:38,803 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 107 transitions, 1268 flow [2023-09-01 05:27:38,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 118.0909090909091) internal successors, (1299), 11 states have internal predecessors, (1299), 0 states have call successors, (0), 0 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 05:27:38,804 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:38,804 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:38,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-09-01 05:27:38,804 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:38,804 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:38,804 INFO L85 PathProgramCache]: Analyzing trace with hash 998819387, now seen corresponding path program 1 times [2023-09-01 05:27:38,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:38,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379609624] [2023-09-01 05:27:38,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:38,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:39,461 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 05:27:39,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:39,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379609624] [2023-09-01 05:27:39,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379609624] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:39,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:39,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-09-01 05:27:39,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164872371] [2023-09-01 05:27:39,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:39,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-09-01 05:27:39,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:39,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-09-01 05:27:39,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-09-01 05:27:39,743 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 267 [2023-09-01 05:27:39,744 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 107 transitions, 1268 flow. Second operand has 11 states, 11 states have (on average 120.0909090909091) internal successors, (1321), 11 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 05:27:39,744 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:39,744 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 267 [2023-09-01 05:27:39,744 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:40,166 INFO L130 PetriNetUnfolder]: 191/556 cut-off events. [2023-09-01 05:27:40,166 INFO L131 PetriNetUnfolder]: For 3113/3113 co-relation queries the response was YES. [2023-09-01 05:27:40,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2580 conditions, 556 events. 191/556 cut-off events. For 3113/3113 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 3128 event pairs, 52 based on Foata normal form. 3/559 useless extension candidates. Maximal degree in co-relation 2362. Up to 281 conditions per place. [2023-09-01 05:27:40,185 INFO L137 encePairwiseOnDemand]: 257/267 looper letters, 63 selfloop transitions, 56 changer transitions 0/120 dead transitions. [2023-09-01 05:27:40,186 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 120 transitions, 1548 flow [2023-09-01 05:27:40,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-09-01 05:27:40,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-09-01 05:27:40,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1840 transitions. [2023-09-01 05:27:40,198 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45942571785268416 [2023-09-01 05:27:40,198 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1840 transitions. [2023-09-01 05:27:40,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1840 transitions. [2023-09-01 05:27:40,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:40,199 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1840 transitions. [2023-09-01 05:27:40,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 122.66666666666667) internal successors, (1840), 15 states have internal predecessors, (1840), 0 states have call successors, (0), 0 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 05:27:40,202 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 267.0) internal successors, (4272), 16 states have internal predecessors, (4272), 0 states have call successors, (0), 0 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 05:27:40,202 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 267.0) internal successors, (4272), 16 states have internal predecessors, (4272), 0 states have call successors, (0), 0 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 05:27:40,202 INFO L175 Difference]: Start difference. First operand has 136 places, 107 transitions, 1268 flow. Second operand 15 states and 1840 transitions. [2023-09-01 05:27:40,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 120 transitions, 1548 flow [2023-09-01 05:27:40,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 120 transitions, 1486 flow, removed 9 selfloop flow, removed 6 redundant places. [2023-09-01 05:27:40,212 INFO L231 Difference]: Finished difference. Result has 145 places, 106 transitions, 1328 flow [2023-09-01 05:27:40,213 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=1198, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1328, PETRI_PLACES=145, PETRI_TRANSITIONS=106} [2023-09-01 05:27:40,215 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 107 predicate places. [2023-09-01 05:27:40,215 INFO L495 AbstractCegarLoop]: Abstraction has has 145 places, 106 transitions, 1328 flow [2023-09-01 05:27:40,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 120.0909090909091) internal successors, (1321), 11 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 05:27:40,215 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:40,216 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:40,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-09-01 05:27:40,216 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 05:27:40,217 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:40,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1511463701, now seen corresponding path program 2 times [2023-09-01 05:27:40,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:40,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106481235] [2023-09-01 05:27:40,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:40,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:40,668 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 05:27:40,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:40,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106481235] [2023-09-01 05:27:40,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106481235] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:40,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:40,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-09-01 05:27:40,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709972794] [2023-09-01 05:27:40,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:40,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-09-01 05:27:40,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:40,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-09-01 05:27:40,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-09-01 05:27:41,002 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 267 [2023-09-01 05:27:41,003 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 106 transitions, 1328 flow. Second operand has 11 states, 11 states have (on average 120.0909090909091) internal successors, (1321), 11 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 05:27:41,003 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:41,003 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 267 [2023-09-01 05:27:41,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:41,415 INFO L130 PetriNetUnfolder]: 189/539 cut-off events. [2023-09-01 05:27:41,415 INFO L131 PetriNetUnfolder]: For 3349/3349 co-relation queries the response was YES. [2023-09-01 05:27:41,417 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2618 conditions, 539 events. 189/539 cut-off events. For 3349/3349 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2992 event pairs, 30 based on Foata normal form. 3/542 useless extension candidates. Maximal degree in co-relation 2426. Up to 185 conditions per place. [2023-09-01 05:27:41,419 INFO L137 encePairwiseOnDemand]: 254/267 looper letters, 54 selfloop transitions, 75 changer transitions 0/130 dead transitions. [2023-09-01 05:27:41,419 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 130 transitions, 1690 flow [2023-09-01 05:27:41,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-01 05:27:41,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-09-01 05:27:41,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2216 transitions. [2023-09-01 05:27:41,448 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.461090303786933 [2023-09-01 05:27:41,449 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2216 transitions. [2023-09-01 05:27:41,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2216 transitions. [2023-09-01 05:27:41,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:41,450 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2216 transitions. [2023-09-01 05:27:41,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 123.11111111111111) internal successors, (2216), 18 states have internal predecessors, (2216), 0 states have call successors, (0), 0 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 05:27:41,456 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 267.0) internal successors, (5073), 19 states have internal predecessors, (5073), 0 states have call successors, (0), 0 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 05:27:41,456 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 267.0) internal successors, (5073), 19 states have internal predecessors, (5073), 0 states have call successors, (0), 0 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 05:27:41,457 INFO L175 Difference]: Start difference. First operand has 145 places, 106 transitions, 1328 flow. Second operand 18 states and 2216 transitions. [2023-09-01 05:27:41,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 130 transitions, 1690 flow [2023-09-01 05:27:41,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 130 transitions, 1547 flow, removed 2 selfloop flow, removed 14 redundant places. [2023-09-01 05:27:41,470 INFO L231 Difference]: Finished difference. Result has 151 places, 108 transitions, 1438 flow [2023-09-01 05:27:41,471 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=1180, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=1438, PETRI_PLACES=151, PETRI_TRANSITIONS=108} [2023-09-01 05:27:41,476 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 113 predicate places. [2023-09-01 05:27:41,476 INFO L495 AbstractCegarLoop]: Abstraction has has 151 places, 108 transitions, 1438 flow [2023-09-01 05:27:41,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 120.0909090909091) internal successors, (1321), 11 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 05:27:41,478 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:41,478 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:41,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-09-01 05:27:41,479 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 05:27:41,479 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:41,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1511463702, now seen corresponding path program 4 times [2023-09-01 05:27:41,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:41,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449880809] [2023-09-01 05:27:41,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:41,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:41,987 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 05:27:41,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:41,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449880809] [2023-09-01 05:27:41,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449880809] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:41,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:41,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-09-01 05:27:41,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343133802] [2023-09-01 05:27:41,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:41,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-09-01 05:27:41,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:41,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-09-01 05:27:41,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-09-01 05:27:42,188 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 267 [2023-09-01 05:27:42,190 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 108 transitions, 1438 flow. Second operand has 11 states, 11 states have (on average 118.0909090909091) internal successors, (1299), 11 states have internal predecessors, (1299), 0 states have call successors, (0), 0 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 05:27:42,190 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:42,190 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 267 [2023-09-01 05:27:42,190 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:42,455 INFO L130 PetriNetUnfolder]: 186/532 cut-off events. [2023-09-01 05:27:42,455 INFO L131 PetriNetUnfolder]: For 3622/3622 co-relation queries the response was YES. [2023-09-01 05:27:42,457 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2688 conditions, 532 events. 186/532 cut-off events. For 3622/3622 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2933 event pairs, 27 based on Foata normal form. 3/535 useless extension candidates. Maximal degree in co-relation 2427. Up to 179 conditions per place. [2023-09-01 05:27:42,459 INFO L137 encePairwiseOnDemand]: 256/267 looper letters, 82 selfloop transitions, 50 changer transitions 0/133 dead transitions. [2023-09-01 05:27:42,459 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 133 transitions, 1770 flow [2023-09-01 05:27:42,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-09-01 05:27:42,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-09-01 05:27:42,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1472 transitions. [2023-09-01 05:27:42,462 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45942571785268416 [2023-09-01 05:27:42,462 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1472 transitions. [2023-09-01 05:27:42,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1472 transitions. [2023-09-01 05:27:42,462 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:42,463 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1472 transitions. [2023-09-01 05:27:42,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 122.66666666666667) internal successors, (1472), 12 states have internal predecessors, (1472), 0 states have call successors, (0), 0 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 05:27:42,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 267.0) internal successors, (3471), 13 states have internal predecessors, (3471), 0 states have call successors, (0), 0 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 05:27:42,467 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 267.0) internal successors, (3471), 13 states have internal predecessors, (3471), 0 states have call successors, (0), 0 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 05:27:42,467 INFO L175 Difference]: Start difference. First operand has 151 places, 108 transitions, 1438 flow. Second operand 12 states and 1472 transitions. [2023-09-01 05:27:42,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 133 transitions, 1770 flow [2023-09-01 05:27:42,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 133 transitions, 1642 flow, removed 7 selfloop flow, removed 15 redundant places. [2023-09-01 05:27:42,481 INFO L231 Difference]: Finished difference. Result has 147 places, 106 transitions, 1380 flow [2023-09-01 05:27:42,482 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=1280, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1380, PETRI_PLACES=147, PETRI_TRANSITIONS=106} [2023-09-01 05:27:42,484 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 109 predicate places. [2023-09-01 05:27:42,484 INFO L495 AbstractCegarLoop]: Abstraction has has 147 places, 106 transitions, 1380 flow [2023-09-01 05:27:42,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 118.0909090909091) internal successors, (1299), 11 states have internal predecessors, (1299), 0 states have call successors, (0), 0 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 05:27:42,485 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:42,485 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:42,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-09-01 05:27:42,485 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 05:27:42,485 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:42,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1123453845, now seen corresponding path program 1 times [2023-09-01 05:27:42,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:42,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359987179] [2023-09-01 05:27:42,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:42,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:43,384 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 05:27:43,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:43,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359987179] [2023-09-01 05:27:43,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359987179] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:43,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:43,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:27:43,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390584528] [2023-09-01 05:27:43,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:43,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:27:43,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:43,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:27:43,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:27:43,966 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 267 [2023-09-01 05:27:43,967 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 106 transitions, 1380 flow. Second operand has 13 states, 13 states have (on average 112.15384615384616) internal successors, (1458), 13 states have internal predecessors, (1458), 0 states have call successors, (0), 0 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 05:27:43,967 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:43,967 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 267 [2023-09-01 05:27:43,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:44,944 INFO L130 PetriNetUnfolder]: 221/627 cut-off events. [2023-09-01 05:27:44,944 INFO L131 PetriNetUnfolder]: For 4109/4109 co-relation queries the response was YES. [2023-09-01 05:27:44,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3220 conditions, 627 events. 221/627 cut-off events. For 4109/4109 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 3673 event pairs, 36 based on Foata normal form. 5/632 useless extension candidates. Maximal degree in co-relation 2950. Up to 195 conditions per place. [2023-09-01 05:27:44,948 INFO L137 encePairwiseOnDemand]: 252/267 looper letters, 90 selfloop transitions, 120 changer transitions 0/211 dead transitions. [2023-09-01 05:27:44,948 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 211 transitions, 2968 flow [2023-09-01 05:27:44,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-09-01 05:27:44,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2023-09-01 05:27:44,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 3447 transitions. [2023-09-01 05:27:44,966 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4303370786516854 [2023-09-01 05:27:44,966 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 3447 transitions. [2023-09-01 05:27:44,966 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 3447 transitions. [2023-09-01 05:27:44,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:44,967 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 3447 transitions. [2023-09-01 05:27:44,971 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 114.9) internal successors, (3447), 30 states have internal predecessors, (3447), 0 states have call successors, (0), 0 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 05:27:44,976 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 267.0) internal successors, (8277), 31 states have internal predecessors, (8277), 0 states have call successors, (0), 0 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 05:27:44,976 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 267.0) internal successors, (8277), 31 states have internal predecessors, (8277), 0 states have call successors, (0), 0 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 05:27:44,977 INFO L175 Difference]: Start difference. First operand has 147 places, 106 transitions, 1380 flow. Second operand 30 states and 3447 transitions. [2023-09-01 05:27:44,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 211 transitions, 2968 flow [2023-09-01 05:27:44,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 211 transitions, 2677 flow, removed 16 selfloop flow, removed 12 redundant places. [2023-09-01 05:27:44,988 INFO L231 Difference]: Finished difference. Result has 167 places, 171 transitions, 2327 flow [2023-09-01 05:27:44,988 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=1221, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=2327, PETRI_PLACES=167, PETRI_TRANSITIONS=171} [2023-09-01 05:27:44,989 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 129 predicate places. [2023-09-01 05:27:44,989 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 171 transitions, 2327 flow [2023-09-01 05:27:44,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 112.15384615384616) internal successors, (1458), 13 states have internal predecessors, (1458), 0 states have call successors, (0), 0 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 05:27:44,990 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:44,990 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:44,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-09-01 05:27:44,990 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:44,990 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:44,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1635320116, now seen corresponding path program 1 times [2023-09-01 05:27:44,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:44,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248970791] [2023-09-01 05:27:44,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:44,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:45,629 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 05:27:45,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:45,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248970791] [2023-09-01 05:27:45,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248970791] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:45,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:45,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:27:45,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677793562] [2023-09-01 05:27:45,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:45,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:27:45,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:45,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:27:45,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:27:46,254 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 267 [2023-09-01 05:27:46,255 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 171 transitions, 2327 flow. Second operand has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:27:46,255 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:46,255 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 267 [2023-09-01 05:27:46,255 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:46,741 INFO L130 PetriNetUnfolder]: 235/677 cut-off events. [2023-09-01 05:27:46,742 INFO L131 PetriNetUnfolder]: For 4337/4337 co-relation queries the response was YES. [2023-09-01 05:27:46,743 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3661 conditions, 677 events. 235/677 cut-off events. For 4337/4337 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 4086 event pairs, 76 based on Foata normal form. 5/682 useless extension candidates. Maximal degree in co-relation 3138. Up to 470 conditions per place. [2023-09-01 05:27:46,745 INFO L137 encePairwiseOnDemand]: 256/267 looper letters, 139 selfloop transitions, 63 changer transitions 0/203 dead transitions. [2023-09-01 05:27:46,745 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 203 transitions, 3018 flow [2023-09-01 05:27:46,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-01 05:27:46,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-09-01 05:27:46,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1259 transitions. [2023-09-01 05:27:46,747 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42866870956758596 [2023-09-01 05:27:46,747 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1259 transitions. [2023-09-01 05:27:46,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1259 transitions. [2023-09-01 05:27:46,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:46,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1259 transitions. [2023-09-01 05:27:46,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 114.45454545454545) internal successors, (1259), 11 states have internal predecessors, (1259), 0 states have call successors, (0), 0 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 05:27:46,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 267.0) internal successors, (3204), 12 states have internal predecessors, (3204), 0 states have call successors, (0), 0 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 05:27:46,750 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 267.0) internal successors, (3204), 12 states have internal predecessors, (3204), 0 states have call successors, (0), 0 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 05:27:46,750 INFO L175 Difference]: Start difference. First operand has 167 places, 171 transitions, 2327 flow. Second operand 11 states and 1259 transitions. [2023-09-01 05:27:46,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 203 transitions, 3018 flow [2023-09-01 05:27:46,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 203 transitions, 2910 flow, removed 10 selfloop flow, removed 11 redundant places. [2023-09-01 05:27:46,763 INFO L231 Difference]: Finished difference. Result has 170 places, 182 transitions, 2590 flow [2023-09-01 05:27:46,763 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=2229, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2590, PETRI_PLACES=170, PETRI_TRANSITIONS=182} [2023-09-01 05:27:46,764 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 132 predicate places. [2023-09-01 05:27:46,764 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 182 transitions, 2590 flow [2023-09-01 05:27:46,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:27:46,764 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:46,764 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:46,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-09-01 05:27:46,764 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:46,765 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:46,765 INFO L85 PathProgramCache]: Analyzing trace with hash 496091890, now seen corresponding path program 2 times [2023-09-01 05:27:46,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:46,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695054431] [2023-09-01 05:27:46,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:46,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:47,397 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 05:27:47,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:47,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695054431] [2023-09-01 05:27:47,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695054431] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:47,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:47,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:27:47,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350125265] [2023-09-01 05:27:47,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:47,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:27:47,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:47,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:27:47,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:27:48,010 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 267 [2023-09-01 05:27:48,011 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 182 transitions, 2590 flow. Second operand has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:27:48,011 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:48,011 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 267 [2023-09-01 05:27:48,011 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:48,427 INFO L130 PetriNetUnfolder]: 290/856 cut-off events. [2023-09-01 05:27:48,427 INFO L131 PetriNetUnfolder]: For 6850/6850 co-relation queries the response was YES. [2023-09-01 05:27:48,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4721 conditions, 856 events. 290/856 cut-off events. For 6850/6850 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 5645 event pairs, 101 based on Foata normal form. 10/866 useless extension candidates. Maximal degree in co-relation 4414. Up to 571 conditions per place. [2023-09-01 05:27:48,431 INFO L137 encePairwiseOnDemand]: 255/267 looper letters, 202 selfloop transitions, 42 changer transitions 0/245 dead transitions. [2023-09-01 05:27:48,431 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 245 transitions, 3751 flow [2023-09-01 05:27:48,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-01 05:27:48,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-09-01 05:27:48,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1485 transitions. [2023-09-01 05:27:48,435 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4278305963699222 [2023-09-01 05:27:48,435 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1485 transitions. [2023-09-01 05:27:48,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1485 transitions. [2023-09-01 05:27:48,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:48,436 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1485 transitions. [2023-09-01 05:27:48,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 114.23076923076923) internal successors, (1485), 13 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:48,439 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 267.0) internal successors, (3738), 14 states have internal predecessors, (3738), 0 states have call successors, (0), 0 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 05:27:48,439 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 267.0) internal successors, (3738), 14 states have internal predecessors, (3738), 0 states have call successors, (0), 0 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 05:27:48,439 INFO L175 Difference]: Start difference. First operand has 170 places, 182 transitions, 2590 flow. Second operand 13 states and 1485 transitions. [2023-09-01 05:27:48,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 245 transitions, 3751 flow [2023-09-01 05:27:48,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 245 transitions, 3703 flow, removed 2 selfloop flow, removed 3 redundant places. [2023-09-01 05:27:48,457 INFO L231 Difference]: Finished difference. Result has 185 places, 206 transitions, 3047 flow [2023-09-01 05:27:48,457 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=2548, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3047, PETRI_PLACES=185, PETRI_TRANSITIONS=206} [2023-09-01 05:27:48,457 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 147 predicate places. [2023-09-01 05:27:48,457 INFO L495 AbstractCegarLoop]: Abstraction has has 185 places, 206 transitions, 3047 flow [2023-09-01 05:27:48,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:27:48,458 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:48,458 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:48,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-09-01 05:27:48,458 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:48,458 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:48,459 INFO L85 PathProgramCache]: Analyzing trace with hash -677747490, now seen corresponding path program 3 times [2023-09-01 05:27:48,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:48,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850897067] [2023-09-01 05:27:48,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:48,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:49,002 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 05:27:49,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:49,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850897067] [2023-09-01 05:27:49,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850897067] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:49,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:49,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:27:49,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297604086] [2023-09-01 05:27:49,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:49,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:27:49,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:49,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:27:49,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:27:49,608 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 267 [2023-09-01 05:27:49,609 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 206 transitions, 3047 flow. Second operand has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:27:49,609 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:49,609 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 267 [2023-09-01 05:27:49,609 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:50,121 INFO L130 PetriNetUnfolder]: 304/898 cut-off events. [2023-09-01 05:27:50,122 INFO L131 PetriNetUnfolder]: For 7511/7511 co-relation queries the response was YES. [2023-09-01 05:27:50,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5122 conditions, 898 events. 304/898 cut-off events. For 7511/7511 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 6048 event pairs, 116 based on Foata normal form. 5/903 useless extension candidates. Maximal degree in co-relation 4811. Up to 530 conditions per place. [2023-09-01 05:27:50,127 INFO L137 encePairwiseOnDemand]: 256/267 looper letters, 184 selfloop transitions, 75 changer transitions 0/260 dead transitions. [2023-09-01 05:27:50,128 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 260 transitions, 3928 flow [2023-09-01 05:27:50,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-09-01 05:27:50,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-09-01 05:27:50,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1723 transitions. [2023-09-01 05:27:50,130 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43021223470661674 [2023-09-01 05:27:50,130 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1723 transitions. [2023-09-01 05:27:50,130 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1723 transitions. [2023-09-01 05:27:50,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:50,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1723 transitions. [2023-09-01 05:27:50,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 114.86666666666666) internal successors, (1723), 15 states have internal predecessors, (1723), 0 states have call successors, (0), 0 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 05:27:50,149 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 267.0) internal successors, (4272), 16 states have internal predecessors, (4272), 0 states have call successors, (0), 0 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 05:27:50,149 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 267.0) internal successors, (4272), 16 states have internal predecessors, (4272), 0 states have call successors, (0), 0 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 05:27:50,149 INFO L175 Difference]: Start difference. First operand has 185 places, 206 transitions, 3047 flow. Second operand 15 states and 1723 transitions. [2023-09-01 05:27:50,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 260 transitions, 3928 flow [2023-09-01 05:27:50,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 260 transitions, 3913 flow, removed 3 selfloop flow, removed 2 redundant places. [2023-09-01 05:27:50,173 INFO L231 Difference]: Finished difference. Result has 201 places, 214 transitions, 3340 flow [2023-09-01 05:27:50,174 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=3032, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=3340, PETRI_PLACES=201, PETRI_TRANSITIONS=214} [2023-09-01 05:27:50,174 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 163 predicate places. [2023-09-01 05:27:50,174 INFO L495 AbstractCegarLoop]: Abstraction has has 201 places, 214 transitions, 3340 flow [2023-09-01 05:27:50,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:27:50,175 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:50,175 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:50,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-09-01 05:27:50,175 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:50,175 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:50,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1041980266, now seen corresponding path program 4 times [2023-09-01 05:27:50,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:50,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638746831] [2023-09-01 05:27:50,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:50,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:50,854 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 05:27:50,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:50,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638746831] [2023-09-01 05:27:50,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638746831] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:50,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:50,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:27:50,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167924121] [2023-09-01 05:27:50,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:50,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:27:50,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:50,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:27:50,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:27:51,510 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 267 [2023-09-01 05:27:51,511 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 214 transitions, 3340 flow. Second operand has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:27:51,511 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:51,511 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 267 [2023-09-01 05:27:51,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:52,050 INFO L130 PetriNetUnfolder]: 324/974 cut-off events. [2023-09-01 05:27:52,050 INFO L131 PetriNetUnfolder]: For 9163/9163 co-relation queries the response was YES. [2023-09-01 05:27:52,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5674 conditions, 974 events. 324/974 cut-off events. For 9163/9163 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 6747 event pairs, 110 based on Foata normal form. 5/979 useless extension candidates. Maximal degree in co-relation 5345. Up to 477 conditions per place. [2023-09-01 05:27:52,058 INFO L137 encePairwiseOnDemand]: 255/267 looper letters, 161 selfloop transitions, 91 changer transitions 0/253 dead transitions. [2023-09-01 05:27:52,058 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 253 transitions, 4114 flow [2023-09-01 05:27:52,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-01 05:27:52,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-09-01 05:27:52,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1499 transitions. [2023-09-01 05:27:52,066 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43186401613367903 [2023-09-01 05:27:52,066 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1499 transitions. [2023-09-01 05:27:52,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1499 transitions. [2023-09-01 05:27:52,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:52,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1499 transitions. [2023-09-01 05:27:52,068 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 115.3076923076923) internal successors, (1499), 13 states have internal predecessors, (1499), 0 states have call successors, (0), 0 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 05:27:52,072 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 267.0) internal successors, (3738), 14 states have internal predecessors, (3738), 0 states have call successors, (0), 0 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 05:27:52,073 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 267.0) internal successors, (3738), 14 states have internal predecessors, (3738), 0 states have call successors, (0), 0 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 05:27:52,073 INFO L175 Difference]: Start difference. First operand has 201 places, 214 transitions, 3340 flow. Second operand 13 states and 1499 transitions. [2023-09-01 05:27:52,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 253 transitions, 4114 flow [2023-09-01 05:27:52,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 253 transitions, 4029 flow, removed 5 selfloop flow, removed 5 redundant places. [2023-09-01 05:27:52,100 INFO L231 Difference]: Finished difference. Result has 212 places, 218 transitions, 3511 flow [2023-09-01 05:27:52,101 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=3255, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3511, PETRI_PLACES=212, PETRI_TRANSITIONS=218} [2023-09-01 05:27:52,101 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 174 predicate places. [2023-09-01 05:27:52,101 INFO L495 AbstractCegarLoop]: Abstraction has has 212 places, 218 transitions, 3511 flow [2023-09-01 05:27:52,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:27:52,101 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:52,101 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:52,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-09-01 05:27:52,102 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:52,102 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:52,102 INFO L85 PathProgramCache]: Analyzing trace with hash -943668866, now seen corresponding path program 5 times [2023-09-01 05:27:52,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:52,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982736898] [2023-09-01 05:27:52,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:52,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:52,801 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 05:27:52,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:52,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982736898] [2023-09-01 05:27:52,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982736898] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:52,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:52,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:27:52,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85669553] [2023-09-01 05:27:52,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:52,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:27:52,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:52,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:27:52,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:27:53,520 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 267 [2023-09-01 05:27:53,521 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 218 transitions, 3511 flow. Second operand has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:27:53,521 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:53,521 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 267 [2023-09-01 05:27:53,521 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:54,123 INFO L130 PetriNetUnfolder]: 328/999 cut-off events. [2023-09-01 05:27:54,123 INFO L131 PetriNetUnfolder]: For 9707/9707 co-relation queries the response was YES. [2023-09-01 05:27:54,126 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5914 conditions, 999 events. 328/999 cut-off events. For 9707/9707 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 7034 event pairs, 147 based on Foata normal form. 5/1004 useless extension candidates. Maximal degree in co-relation 5601. Up to 668 conditions per place. [2023-09-01 05:27:54,129 INFO L137 encePairwiseOnDemand]: 256/267 looper letters, 172 selfloop transitions, 73 changer transitions 0/246 dead transitions. [2023-09-01 05:27:54,129 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 246 transitions, 4163 flow [2023-09-01 05:27:54,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-01 05:27:54,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-09-01 05:27:54,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1493 transitions. [2023-09-01 05:27:54,130 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43013540766349756 [2023-09-01 05:27:54,131 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1493 transitions. [2023-09-01 05:27:54,131 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1493 transitions. [2023-09-01 05:27:54,131 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:54,131 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1493 transitions. [2023-09-01 05:27:54,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 114.84615384615384) internal successors, (1493), 13 states have internal predecessors, (1493), 0 states have call successors, (0), 0 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 05:27:54,134 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 267.0) internal successors, (3738), 14 states have internal predecessors, (3738), 0 states have call successors, (0), 0 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 05:27:54,135 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 267.0) internal successors, (3738), 14 states have internal predecessors, (3738), 0 states have call successors, (0), 0 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 05:27:54,135 INFO L175 Difference]: Start difference. First operand has 212 places, 218 transitions, 3511 flow. Second operand 13 states and 1493 transitions. [2023-09-01 05:27:54,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 246 transitions, 4163 flow [2023-09-01 05:27:54,159 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 246 transitions, 3973 flow, removed 10 selfloop flow, removed 7 redundant places. [2023-09-01 05:27:54,163 INFO L231 Difference]: Finished difference. Result has 221 places, 220 transitions, 3556 flow [2023-09-01 05:27:54,164 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=3298, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3556, PETRI_PLACES=221, PETRI_TRANSITIONS=220} [2023-09-01 05:27:54,165 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 183 predicate places. [2023-09-01 05:27:54,166 INFO L495 AbstractCegarLoop]: Abstraction has has 221 places, 220 transitions, 3556 flow [2023-09-01 05:27:54,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:27:54,166 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:54,166 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:54,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-09-01 05:27:54,166 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:54,167 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:54,167 INFO L85 PathProgramCache]: Analyzing trace with hash 671446131, now seen corresponding path program 2 times [2023-09-01 05:27:54,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:54,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841800602] [2023-09-01 05:27:54,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:54,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:54,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:54,430 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 05:27:54,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:54,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841800602] [2023-09-01 05:27:54,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841800602] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:54,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:54,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-09-01 05:27:54,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301503620] [2023-09-01 05:27:54,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:54,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-01 05:27:54,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:54,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-01 05:27:54,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-09-01 05:27:54,455 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 267 [2023-09-01 05:27:54,455 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 220 transitions, 3556 flow. Second operand has 6 states, 6 states have (on average 131.5) internal successors, (789), 6 states have internal predecessors, (789), 0 states have call successors, (0), 0 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 05:27:54,455 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:54,456 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 267 [2023-09-01 05:27:54,456 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:54,597 INFO L130 PetriNetUnfolder]: 172/570 cut-off events. [2023-09-01 05:27:54,598 INFO L131 PetriNetUnfolder]: For 5425/5425 co-relation queries the response was YES. [2023-09-01 05:27:54,600 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3362 conditions, 570 events. 172/570 cut-off events. For 5425/5425 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 3567 event pairs, 97 based on Foata normal form. 12/582 useless extension candidates. Maximal degree in co-relation 3303. Up to 461 conditions per place. [2023-09-01 05:27:54,601 INFO L137 encePairwiseOnDemand]: 261/267 looper letters, 137 selfloop transitions, 16 changer transitions 0/158 dead transitions. [2023-09-01 05:27:54,602 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 158 transitions, 2763 flow [2023-09-01 05:27:54,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-09-01 05:27:54,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-09-01 05:27:54,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 804 transitions. [2023-09-01 05:27:54,603 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.50187265917603 [2023-09-01 05:27:54,603 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 804 transitions. [2023-09-01 05:27:54,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 804 transitions. [2023-09-01 05:27:54,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:54,604 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 804 transitions. [2023-09-01 05:27:54,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 134.0) internal successors, (804), 6 states have internal predecessors, (804), 0 states have call successors, (0), 0 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 05:27:54,605 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 267.0) internal successors, (1869), 7 states have internal predecessors, (1869), 0 states have call successors, (0), 0 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 05:27:54,606 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 267.0) internal successors, (1869), 7 states have internal predecessors, (1869), 0 states have call successors, (0), 0 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 05:27:54,606 INFO L175 Difference]: Start difference. First operand has 221 places, 220 transitions, 3556 flow. Second operand 6 states and 804 transitions. [2023-09-01 05:27:54,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 158 transitions, 2763 flow [2023-09-01 05:27:54,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 158 transitions, 2432 flow, removed 30 selfloop flow, removed 21 redundant places. [2023-09-01 05:27:54,625 INFO L231 Difference]: Finished difference. Result has 182 places, 157 transitions, 2160 flow [2023-09-01 05:27:54,626 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=2113, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2160, PETRI_PLACES=182, PETRI_TRANSITIONS=157} [2023-09-01 05:27:54,626 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 144 predicate places. [2023-09-01 05:27:54,626 INFO L495 AbstractCegarLoop]: Abstraction has has 182 places, 157 transitions, 2160 flow [2023-09-01 05:27:54,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 131.5) internal successors, (789), 6 states have internal predecessors, (789), 0 states have call successors, (0), 0 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 05:27:54,626 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:54,626 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:54,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-09-01 05:27:54,627 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:54,627 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:54,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1567890700, now seen corresponding path program 6 times [2023-09-01 05:27:54,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:54,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198258005] [2023-09-01 05:27:54,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:54,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:54,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:55,231 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 05:27:55,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:55,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198258005] [2023-09-01 05:27:55,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198258005] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:55,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:55,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:27:55,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990583513] [2023-09-01 05:27:55,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:55,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:27:55,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:55,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:27:55,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:27:55,823 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 267 [2023-09-01 05:27:55,824 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 157 transitions, 2160 flow. Second operand has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:27:55,824 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:55,824 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 267 [2023-09-01 05:27:55,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:56,411 INFO L130 PetriNetUnfolder]: 218/672 cut-off events. [2023-09-01 05:27:56,411 INFO L131 PetriNetUnfolder]: For 4738/4738 co-relation queries the response was YES. [2023-09-01 05:27:56,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3559 conditions, 672 events. 218/672 cut-off events. For 4738/4738 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 4270 event pairs, 84 based on Foata normal form. 5/677 useless extension candidates. Maximal degree in co-relation 3508. Up to 260 conditions per place. [2023-09-01 05:27:56,414 INFO L137 encePairwiseOnDemand]: 256/267 looper letters, 147 selfloop transitions, 63 changer transitions 0/211 dead transitions. [2023-09-01 05:27:56,415 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 211 transitions, 2910 flow [2023-09-01 05:27:56,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-09-01 05:27:56,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-09-01 05:27:56,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1831 transitions. [2023-09-01 05:27:56,416 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4286048689138577 [2023-09-01 05:27:56,416 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1831 transitions. [2023-09-01 05:27:56,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1831 transitions. [2023-09-01 05:27:56,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:56,417 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1831 transitions. [2023-09-01 05:27:56,423 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 114.4375) internal successors, (1831), 16 states have internal predecessors, (1831), 0 states have call successors, (0), 0 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 05:27:56,438 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 267.0) internal successors, (4539), 17 states have internal predecessors, (4539), 0 states have call successors, (0), 0 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 05:27:56,439 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 267.0) internal successors, (4539), 17 states have internal predecessors, (4539), 0 states have call successors, (0), 0 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 05:27:56,439 INFO L175 Difference]: Start difference. First operand has 182 places, 157 transitions, 2160 flow. Second operand 16 states and 1831 transitions. [2023-09-01 05:27:56,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 211 transitions, 2910 flow [2023-09-01 05:27:56,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 211 transitions, 2852 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-09-01 05:27:56,455 INFO L231 Difference]: Finished difference. Result has 196 places, 166 transitions, 2396 flow [2023-09-01 05:27:56,455 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=2105, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=2396, PETRI_PLACES=196, PETRI_TRANSITIONS=166} [2023-09-01 05:27:56,456 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 158 predicate places. [2023-09-01 05:27:56,456 INFO L495 AbstractCegarLoop]: Abstraction has has 196 places, 166 transitions, 2396 flow [2023-09-01 05:27:56,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:27:56,456 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:56,456 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:56,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-09-01 05:27:56,457 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:56,457 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:56,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1258633781, now seen corresponding path program 3 times [2023-09-01 05:27:56,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:56,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687479078] [2023-09-01 05:27:56,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:56,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:57,062 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 05:27:57,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:57,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687479078] [2023-09-01 05:27:57,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687479078] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:57,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:57,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:27:57,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124672682] [2023-09-01 05:27:57,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:57,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:27:57,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:57,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:27:57,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:27:57,672 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 267 [2023-09-01 05:27:57,673 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 166 transitions, 2396 flow. Second operand has 13 states, 13 states have (on average 112.15384615384616) internal successors, (1458), 13 states have internal predecessors, (1458), 0 states have call successors, (0), 0 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 05:27:57,673 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:57,673 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 267 [2023-09-01 05:27:57,673 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:58,186 INFO L130 PetriNetUnfolder]: 217/674 cut-off events. [2023-09-01 05:27:58,187 INFO L131 PetriNetUnfolder]: For 5030/5030 co-relation queries the response was YES. [2023-09-01 05:27:58,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3709 conditions, 674 events. 217/674 cut-off events. For 5030/5030 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 4297 event pairs, 96 based on Foata normal form. 1/675 useless extension candidates. Maximal degree in co-relation 3655. Up to 358 conditions per place. [2023-09-01 05:27:58,190 INFO L137 encePairwiseOnDemand]: 254/267 looper letters, 113 selfloop transitions, 69 changer transitions 0/183 dead transitions. [2023-09-01 05:27:58,190 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 183 transitions, 2814 flow [2023-09-01 05:27:58,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-09-01 05:27:58,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-09-01 05:27:58,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1731 transitions. [2023-09-01 05:27:58,192 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4322097378277154 [2023-09-01 05:27:58,192 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1731 transitions. [2023-09-01 05:27:58,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1731 transitions. [2023-09-01 05:27:58,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:58,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1731 transitions. [2023-09-01 05:27:58,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 115.4) internal successors, (1731), 15 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 05:27:58,195 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 267.0) internal successors, (4272), 16 states have internal predecessors, (4272), 0 states have call successors, (0), 0 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 05:27:58,195 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 267.0) internal successors, (4272), 16 states have internal predecessors, (4272), 0 states have call successors, (0), 0 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 05:27:58,196 INFO L175 Difference]: Start difference. First operand has 196 places, 166 transitions, 2396 flow. Second operand 15 states and 1731 transitions. [2023-09-01 05:27:58,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 183 transitions, 2814 flow [2023-09-01 05:27:58,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 183 transitions, 2728 flow, removed 15 selfloop flow, removed 6 redundant places. [2023-09-01 05:27:58,213 INFO L231 Difference]: Finished difference. Result has 205 places, 167 transitions, 2460 flow [2023-09-01 05:27:58,213 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=2310, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2460, PETRI_PLACES=205, PETRI_TRANSITIONS=167} [2023-09-01 05:27:58,213 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 167 predicate places. [2023-09-01 05:27:58,213 INFO L495 AbstractCegarLoop]: Abstraction has has 205 places, 167 transitions, 2460 flow [2023-09-01 05:27:58,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 112.15384615384616) internal successors, (1458), 13 states have internal predecessors, (1458), 0 states have call successors, (0), 0 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 05:27:58,214 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:58,214 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:58,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-09-01 05:27:58,214 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:58,214 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:58,214 INFO L85 PathProgramCache]: Analyzing trace with hash 298019574, now seen corresponding path program 7 times [2023-09-01 05:27:58,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:58,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308814710] [2023-09-01 05:27:58,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:58,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:27:58,798 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 05:27:58,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:27:58,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308814710] [2023-09-01 05:27:58,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308814710] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:27:58,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:27:58,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:27:58,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405496540] [2023-09-01 05:27:58,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:27:58,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:27:58,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:27:58,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:27:58,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:27:59,428 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 267 [2023-09-01 05:27:59,429 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 167 transitions, 2460 flow. Second operand has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:27:59,429 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:27:59,429 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 267 [2023-09-01 05:27:59,429 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:27:59,842 INFO L130 PetriNetUnfolder]: 214/661 cut-off events. [2023-09-01 05:27:59,842 INFO L131 PetriNetUnfolder]: For 5157/5157 co-relation queries the response was YES. [2023-09-01 05:27:59,845 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3715 conditions, 661 events. 214/661 cut-off events. For 5157/5157 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 4165 event pairs, 70 based on Foata normal form. 5/666 useless extension candidates. Maximal degree in co-relation 3660. Up to 391 conditions per place. [2023-09-01 05:27:59,847 INFO L137 encePairwiseOnDemand]: 256/267 looper letters, 121 selfloop transitions, 61 changer transitions 0/183 dead transitions. [2023-09-01 05:27:59,847 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 183 transitions, 2899 flow [2023-09-01 05:27:59,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-01 05:27:59,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-09-01 05:27:59,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2023-09-01 05:27:59,848 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42662580864828054 [2023-09-01 05:27:59,849 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2023-09-01 05:27:59,849 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2023-09-01 05:27:59,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:27:59,849 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2023-09-01 05:27:59,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 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 05:27:59,851 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 267.0) internal successors, (3204), 12 states have internal predecessors, (3204), 0 states have call successors, (0), 0 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 05:27:59,851 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 267.0) internal successors, (3204), 12 states have internal predecessors, (3204), 0 states have call successors, (0), 0 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 05:27:59,852 INFO L175 Difference]: Start difference. First operand has 205 places, 167 transitions, 2460 flow. Second operand 11 states and 1253 transitions. [2023-09-01 05:27:59,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 183 transitions, 2899 flow [2023-09-01 05:27:59,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 183 transitions, 2772 flow, removed 1 selfloop flow, removed 11 redundant places. [2023-09-01 05:27:59,871 INFO L231 Difference]: Finished difference. Result has 205 places, 167 transitions, 2460 flow [2023-09-01 05:27:59,872 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=2333, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2460, PETRI_PLACES=205, PETRI_TRANSITIONS=167} [2023-09-01 05:27:59,873 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 167 predicate places. [2023-09-01 05:27:59,881 INFO L495 AbstractCegarLoop]: Abstraction has has 205 places, 167 transitions, 2460 flow [2023-09-01 05:27:59,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:27:59,881 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:27:59,881 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:27:59,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-09-01 05:27:59,893 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:27:59,894 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:27:59,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1220495744, now seen corresponding path program 8 times [2023-09-01 05:27:59,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:27:59,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202867554] [2023-09-01 05:27:59,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:27:59,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:27:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:28:00,504 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 05:28:00,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:28:00,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202867554] [2023-09-01 05:28:00,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202867554] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:28:00,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:28:00,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:28:00,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554527358] [2023-09-01 05:28:00,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:28:00,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:28:00,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:28:00,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:28:00,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:28:01,107 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 267 [2023-09-01 05:28:01,108 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 167 transitions, 2460 flow. Second operand has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:28:01,108 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:28:01,108 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 267 [2023-09-01 05:28:01,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:28:01,672 INFO L130 PetriNetUnfolder]: 221/682 cut-off events. [2023-09-01 05:28:01,672 INFO L131 PetriNetUnfolder]: For 5347/5347 co-relation queries the response was YES. [2023-09-01 05:28:01,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3845 conditions, 682 events. 221/682 cut-off events. For 5347/5347 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 4356 event pairs, 77 based on Foata normal form. 5/687 useless extension candidates. Maximal degree in co-relation 3789. Up to 260 conditions per place. [2023-09-01 05:28:01,677 INFO L137 encePairwiseOnDemand]: 257/267 looper letters, 136 selfloop transitions, 63 changer transitions 0/200 dead transitions. [2023-09-01 05:28:01,677 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 200 transitions, 3021 flow [2023-09-01 05:28:01,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-09-01 05:28:01,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-09-01 05:28:01,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1707 transitions. [2023-09-01 05:28:01,680 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42621722846441945 [2023-09-01 05:28:01,680 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1707 transitions. [2023-09-01 05:28:01,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1707 transitions. [2023-09-01 05:28:01,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:28:01,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1707 transitions. [2023-09-01 05:28:01,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 113.8) internal successors, (1707), 15 states have internal predecessors, (1707), 0 states have call successors, (0), 0 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 05:28:01,696 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 267.0) internal successors, (4272), 16 states have internal predecessors, (4272), 0 states have call successors, (0), 0 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 05:28:01,696 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 267.0) internal successors, (4272), 16 states have internal predecessors, (4272), 0 states have call successors, (0), 0 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 05:28:01,696 INFO L175 Difference]: Start difference. First operand has 205 places, 167 transitions, 2460 flow. Second operand 15 states and 1707 transitions. [2023-09-01 05:28:01,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 200 transitions, 3021 flow [2023-09-01 05:28:01,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 200 transitions, 2914 flow, removed 1 selfloop flow, removed 8 redundant places. [2023-09-01 05:28:01,716 INFO L231 Difference]: Finished difference. Result has 214 places, 167 transitions, 2516 flow [2023-09-01 05:28:01,717 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=2328, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2516, PETRI_PLACES=214, PETRI_TRANSITIONS=167} [2023-09-01 05:28:01,717 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 176 predicate places. [2023-09-01 05:28:01,717 INFO L495 AbstractCegarLoop]: Abstraction has has 214 places, 167 transitions, 2516 flow [2023-09-01 05:28:01,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:28:01,717 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:28:01,718 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:28:01,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-09-01 05:28:01,718 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:28:01,718 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:28:01,718 INFO L85 PathProgramCache]: Analyzing trace with hash 298019575, now seen corresponding path program 4 times [2023-09-01 05:28:01,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:28:01,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429518903] [2023-09-01 05:28:01,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:28:01,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:28:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:28:02,445 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 05:28:02,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:28:02,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429518903] [2023-09-01 05:28:02,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429518903] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:28:02,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:28:02,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:28:02,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122772183] [2023-09-01 05:28:02,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:28:02,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:28:02,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:28:02,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:28:02,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:28:02,983 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 267 [2023-09-01 05:28:02,984 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 167 transitions, 2516 flow. Second operand has 13 states, 13 states have (on average 112.15384615384616) internal successors, (1458), 13 states have internal predecessors, (1458), 0 states have call successors, (0), 0 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 05:28:02,984 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:28:02,984 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 267 [2023-09-01 05:28:02,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:28:03,499 INFO L130 PetriNetUnfolder]: 218/679 cut-off events. [2023-09-01 05:28:03,500 INFO L131 PetriNetUnfolder]: For 5821/5821 co-relation queries the response was YES. [2023-09-01 05:28:03,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3918 conditions, 679 events. 218/679 cut-off events. For 5821/5821 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 4347 event pairs, 56 based on Foata normal form. 3/682 useless extension candidates. Maximal degree in co-relation 3859. Up to 416 conditions per place. [2023-09-01 05:28:03,504 INFO L137 encePairwiseOnDemand]: 255/267 looper letters, 92 selfloop transitions, 83 changer transitions 0/176 dead transitions. [2023-09-01 05:28:03,505 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 176 transitions, 2905 flow [2023-09-01 05:28:03,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-01 05:28:03,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-09-01 05:28:03,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1604 transitions. [2023-09-01 05:28:03,508 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4291064740502943 [2023-09-01 05:28:03,508 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1604 transitions. [2023-09-01 05:28:03,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1604 transitions. [2023-09-01 05:28:03,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:28:03,510 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1604 transitions. [2023-09-01 05:28:03,511 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 114.57142857142857) internal successors, (1604), 14 states have internal predecessors, (1604), 0 states have call successors, (0), 0 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 05:28:03,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 267.0) internal successors, (4005), 15 states have internal predecessors, (4005), 0 states have call successors, (0), 0 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 05:28:03,513 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 267.0) internal successors, (4005), 15 states have internal predecessors, (4005), 0 states have call successors, (0), 0 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 05:28:03,513 INFO L175 Difference]: Start difference. First operand has 214 places, 167 transitions, 2516 flow. Second operand 14 states and 1604 transitions. [2023-09-01 05:28:03,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 176 transitions, 2905 flow [2023-09-01 05:28:03,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 176 transitions, 2733 flow, removed 12 selfloop flow, removed 10 redundant places. [2023-09-01 05:28:03,534 INFO L231 Difference]: Finished difference. Result has 218 places, 168 transitions, 2534 flow [2023-09-01 05:28:03,534 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=2344, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=2534, PETRI_PLACES=218, PETRI_TRANSITIONS=168} [2023-09-01 05:28:03,535 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 180 predicate places. [2023-09-01 05:28:03,535 INFO L495 AbstractCegarLoop]: Abstraction has has 218 places, 168 transitions, 2534 flow [2023-09-01 05:28:03,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 112.15384615384616) internal successors, (1458), 13 states have internal predecessors, (1458), 0 states have call successors, (0), 0 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 05:28:03,536 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:28:03,536 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:28:03,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-09-01 05:28:03,536 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:28:03,536 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:28:03,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1171192390, now seen corresponding path program 9 times [2023-09-01 05:28:03,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:28:03,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458803692] [2023-09-01 05:28:03,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:28:03,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:28:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:28:04,205 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 05:28:04,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:28:04,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458803692] [2023-09-01 05:28:04,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458803692] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:28:04,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:28:04,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:28:04,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239506290] [2023-09-01 05:28:04,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:28:04,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:28:04,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:28:04,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:28:04,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:28:04,883 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 267 [2023-09-01 05:28:04,884 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 168 transitions, 2534 flow. Second operand has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:28:04,884 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:28:04,884 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 267 [2023-09-01 05:28:04,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:28:05,412 INFO L130 PetriNetUnfolder]: 215/663 cut-off events. [2023-09-01 05:28:05,412 INFO L131 PetriNetUnfolder]: For 5362/5362 co-relation queries the response was YES. [2023-09-01 05:28:05,415 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3885 conditions, 663 events. 215/663 cut-off events. For 5362/5362 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 4192 event pairs, 74 based on Foata normal form. 5/668 useless extension candidates. Maximal degree in co-relation 3827. Up to 334 conditions per place. [2023-09-01 05:28:05,416 INFO L137 encePairwiseOnDemand]: 256/267 looper letters, 126 selfloop transitions, 60 changer transitions 0/187 dead transitions. [2023-09-01 05:28:05,416 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 187 transitions, 2952 flow [2023-09-01 05:28:05,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-01 05:28:05,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-09-01 05:28:05,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1481 transitions. [2023-09-01 05:28:05,418 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42667819072313456 [2023-09-01 05:28:05,418 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1481 transitions. [2023-09-01 05:28:05,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1481 transitions. [2023-09-01 05:28:05,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:28:05,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1481 transitions. [2023-09-01 05:28:05,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 113.92307692307692) internal successors, (1481), 13 states have internal predecessors, (1481), 0 states have call successors, (0), 0 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 05:28:05,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 267.0) internal successors, (3738), 14 states have internal predecessors, (3738), 0 states have call successors, (0), 0 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 05:28:05,421 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 267.0) internal successors, (3738), 14 states have internal predecessors, (3738), 0 states have call successors, (0), 0 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 05:28:05,421 INFO L175 Difference]: Start difference. First operand has 218 places, 168 transitions, 2534 flow. Second operand 13 states and 1481 transitions. [2023-09-01 05:28:05,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 187 transitions, 2952 flow [2023-09-01 05:28:05,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 187 transitions, 2785 flow, removed 9 selfloop flow, removed 16 redundant places. [2023-09-01 05:28:05,440 INFO L231 Difference]: Finished difference. Result has 213 places, 165 transitions, 2467 flow [2023-09-01 05:28:05,440 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=2318, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2467, PETRI_PLACES=213, PETRI_TRANSITIONS=165} [2023-09-01 05:28:05,441 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 175 predicate places. [2023-09-01 05:28:05,441 INFO L495 AbstractCegarLoop]: Abstraction has has 213 places, 165 transitions, 2467 flow [2023-09-01 05:28:05,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:28:05,441 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:28:05,441 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:28:05,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-09-01 05:28:05,442 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:28:05,442 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:28:05,442 INFO L85 PathProgramCache]: Analyzing trace with hash -254526068, now seen corresponding path program 10 times [2023-09-01 05:28:05,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:28:05,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648924802] [2023-09-01 05:28:05,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:28:05,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:28:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:28:05,984 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 05:28:05,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:28:05,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648924802] [2023-09-01 05:28:05,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648924802] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:28:05,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:28:05,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:28:05,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112258661] [2023-09-01 05:28:05,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:28:05,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:28:05,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:28:05,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:28:05,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:28:06,890 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 267 [2023-09-01 05:28:06,891 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 165 transitions, 2467 flow. Second operand has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:28:06,891 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:28:06,891 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 267 [2023-09-01 05:28:06,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:28:07,337 INFO L130 PetriNetUnfolder]: 229/707 cut-off events. [2023-09-01 05:28:07,338 INFO L131 PetriNetUnfolder]: For 5806/5806 co-relation queries the response was YES. [2023-09-01 05:28:07,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4108 conditions, 707 events. 229/707 cut-off events. For 5806/5806 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 4565 event pairs, 107 based on Foata normal form. 5/712 useless extension candidates. Maximal degree in co-relation 4054. Up to 516 conditions per place. [2023-09-01 05:28:07,342 INFO L137 encePairwiseOnDemand]: 256/267 looper letters, 152 selfloop transitions, 35 changer transitions 0/188 dead transitions. [2023-09-01 05:28:07,342 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 188 transitions, 3019 flow [2023-09-01 05:28:07,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-01 05:28:07,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-09-01 05:28:07,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2023-09-01 05:28:07,344 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42662580864828054 [2023-09-01 05:28:07,344 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2023-09-01 05:28:07,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2023-09-01 05:28:07,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:28:07,344 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2023-09-01 05:28:07,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 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 05:28:07,346 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 267.0) internal successors, (3204), 12 states have internal predecessors, (3204), 0 states have call successors, (0), 0 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 05:28:07,347 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 267.0) internal successors, (3204), 12 states have internal predecessors, (3204), 0 states have call successors, (0), 0 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 05:28:07,347 INFO L175 Difference]: Start difference. First operand has 213 places, 165 transitions, 2467 flow. Second operand 11 states and 1253 transitions. [2023-09-01 05:28:07,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 188 transitions, 3019 flow [2023-09-01 05:28:07,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 188 transitions, 2879 flow, removed 0 selfloop flow, removed 9 redundant places. [2023-09-01 05:28:07,365 INFO L231 Difference]: Finished difference. Result has 217 places, 170 transitions, 2526 flow [2023-09-01 05:28:07,365 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=2332, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2526, PETRI_PLACES=217, PETRI_TRANSITIONS=170} [2023-09-01 05:28:07,366 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 179 predicate places. [2023-09-01 05:28:07,366 INFO L495 AbstractCegarLoop]: Abstraction has has 217 places, 170 transitions, 2526 flow [2023-09-01 05:28:07,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:28:07,366 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:28:07,366 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:28:07,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-09-01 05:28:07,367 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:28:07,367 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:28:07,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1987799650, now seen corresponding path program 11 times [2023-09-01 05:28:07,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:28:07,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092621546] [2023-09-01 05:28:07,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:28:07,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:28:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:28:07,994 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 05:28:07,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:28:07,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092621546] [2023-09-01 05:28:07,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092621546] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:28:07,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:28:07,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:28:07,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292028249] [2023-09-01 05:28:07,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:28:07,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:28:07,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:28:08,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:28:08,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:28:08,721 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 267 [2023-09-01 05:28:08,721 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 170 transitions, 2526 flow. Second operand has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:28:08,722 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:28:08,722 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 267 [2023-09-01 05:28:08,722 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:28:09,262 INFO L130 PetriNetUnfolder]: 226/693 cut-off events. [2023-09-01 05:28:09,262 INFO L131 PetriNetUnfolder]: For 5601/5601 co-relation queries the response was YES. [2023-09-01 05:28:09,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4111 conditions, 693 events. 226/693 cut-off events. For 5601/5601 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 4445 event pairs, 85 based on Foata normal form. 5/698 useless extension candidates. Maximal degree in co-relation 4055. Up to 282 conditions per place. [2023-09-01 05:28:09,268 INFO L137 encePairwiseOnDemand]: 256/267 looper letters, 129 selfloop transitions, 65 changer transitions 0/195 dead transitions. [2023-09-01 05:28:09,269 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 195 transitions, 3001 flow [2023-09-01 05:28:09,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-01 05:28:09,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-09-01 05:28:09,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1594 transitions. [2023-09-01 05:28:09,270 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42643124665596577 [2023-09-01 05:28:09,271 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1594 transitions. [2023-09-01 05:28:09,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1594 transitions. [2023-09-01 05:28:09,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:28:09,271 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1594 transitions. [2023-09-01 05:28:09,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 113.85714285714286) internal successors, (1594), 14 states have internal predecessors, (1594), 0 states have call successors, (0), 0 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 05:28:09,274 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 267.0) internal successors, (4005), 15 states have internal predecessors, (4005), 0 states have call successors, (0), 0 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 05:28:09,274 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 267.0) internal successors, (4005), 15 states have internal predecessors, (4005), 0 states have call successors, (0), 0 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 05:28:09,274 INFO L175 Difference]: Start difference. First operand has 217 places, 170 transitions, 2526 flow. Second operand 14 states and 1594 transitions. [2023-09-01 05:28:09,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 195 transitions, 3001 flow [2023-09-01 05:28:09,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 195 transitions, 2939 flow, removed 11 selfloop flow, removed 6 redundant places. [2023-09-01 05:28:09,294 INFO L231 Difference]: Finished difference. Result has 225 places, 168 transitions, 2573 flow [2023-09-01 05:28:09,295 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=2440, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=2573, PETRI_PLACES=225, PETRI_TRANSITIONS=168} [2023-09-01 05:28:09,295 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 187 predicate places. [2023-09-01 05:28:09,295 INFO L495 AbstractCegarLoop]: Abstraction has has 225 places, 168 transitions, 2573 flow [2023-09-01 05:28:09,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:28:09,296 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:28:09,296 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:28:09,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-09-01 05:28:09,296 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:28:09,296 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:28:09,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1139795522, now seen corresponding path program 12 times [2023-09-01 05:28:09,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:28:09,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783413299] [2023-09-01 05:28:09,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:28:09,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:28:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:28:09,958 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 05:28:09,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:28:09,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783413299] [2023-09-01 05:28:09,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783413299] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:28:09,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:28:09,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:28:09,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854291565] [2023-09-01 05:28:09,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:28:09,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:28:09,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:28:09,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:28:09,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:28:10,634 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 267 [2023-09-01 05:28:10,634 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 168 transitions, 2573 flow. Second operand has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:28:10,634 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:28:10,634 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 267 [2023-09-01 05:28:10,634 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:28:11,107 INFO L130 PetriNetUnfolder]: 235/724 cut-off events. [2023-09-01 05:28:11,107 INFO L131 PetriNetUnfolder]: For 6436/6436 co-relation queries the response was YES. [2023-09-01 05:28:11,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4337 conditions, 724 events. 235/724 cut-off events. For 6436/6436 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 4704 event pairs, 46 based on Foata normal form. 5/729 useless extension candidates. Maximal degree in co-relation 4282. Up to 249 conditions per place. [2023-09-01 05:28:11,112 INFO L137 encePairwiseOnDemand]: 256/267 looper letters, 117 selfloop transitions, 82 changer transitions 0/200 dead transitions. [2023-09-01 05:28:11,112 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 200 transitions, 3132 flow [2023-09-01 05:28:11,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-01 05:28:11,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-09-01 05:28:11,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1592 transitions. [2023-09-01 05:28:11,113 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42589620117710003 [2023-09-01 05:28:11,114 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1592 transitions. [2023-09-01 05:28:11,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1592 transitions. [2023-09-01 05:28:11,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:28:11,114 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1592 transitions. [2023-09-01 05:28:11,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 113.71428571428571) internal successors, (1592), 14 states have internal predecessors, (1592), 0 states have call successors, (0), 0 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 05:28:11,117 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 267.0) internal successors, (4005), 15 states have internal predecessors, (4005), 0 states have call successors, (0), 0 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 05:28:11,117 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 267.0) internal successors, (4005), 15 states have internal predecessors, (4005), 0 states have call successors, (0), 0 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 05:28:11,117 INFO L175 Difference]: Start difference. First operand has 225 places, 168 transitions, 2573 flow. Second operand 14 states and 1592 transitions. [2023-09-01 05:28:11,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 200 transitions, 3132 flow [2023-09-01 05:28:11,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 200 transitions, 3030 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-09-01 05:28:11,138 INFO L231 Difference]: Finished difference. Result has 233 places, 172 transitions, 2712 flow [2023-09-01 05:28:11,138 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=2471, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=2712, PETRI_PLACES=233, PETRI_TRANSITIONS=172} [2023-09-01 05:28:11,138 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 195 predicate places. [2023-09-01 05:28:11,138 INFO L495 AbstractCegarLoop]: Abstraction has has 233 places, 172 transitions, 2712 flow [2023-09-01 05:28:11,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:28:11,139 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:28:11,139 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:28:11,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-09-01 05:28:11,139 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:28:11,139 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:28:11,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1906863488, now seen corresponding path program 13 times [2023-09-01 05:28:11,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:28:11,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194228976] [2023-09-01 05:28:11,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:28:11,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:28:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:28:11,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:28:11,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:28:11,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194228976] [2023-09-01 05:28:11,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194228976] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:28:11,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:28:11,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:28:11,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77455886] [2023-09-01 05:28:11,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:28:11,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:28:11,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:28:11,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:28:11,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:28:12,417 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 267 [2023-09-01 05:28:12,418 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 172 transitions, 2712 flow. Second operand has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:28:12,418 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:28:12,418 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 267 [2023-09-01 05:28:12,418 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:28:12,946 INFO L130 PetriNetUnfolder]: 249/767 cut-off events. [2023-09-01 05:28:12,946 INFO L131 PetriNetUnfolder]: For 7394/7394 co-relation queries the response was YES. [2023-09-01 05:28:12,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4747 conditions, 767 events. 249/767 cut-off events. For 7394/7394 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 5106 event pairs, 114 based on Foata normal form. 5/772 useless extension candidates. Maximal degree in co-relation 4689. Up to 424 conditions per place. [2023-09-01 05:28:12,952 INFO L137 encePairwiseOnDemand]: 256/267 looper letters, 178 selfloop transitions, 39 changer transitions 0/218 dead transitions. [2023-09-01 05:28:12,952 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 218 transitions, 3436 flow [2023-09-01 05:28:12,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-09-01 05:28:12,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-09-01 05:28:12,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1715 transitions. [2023-09-01 05:28:12,954 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4282147315855181 [2023-09-01 05:28:12,954 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1715 transitions. [2023-09-01 05:28:12,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1715 transitions. [2023-09-01 05:28:12,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:28:12,954 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1715 transitions. [2023-09-01 05:28:12,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 114.33333333333333) internal successors, (1715), 15 states have internal predecessors, (1715), 0 states have call successors, (0), 0 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 05:28:12,957 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 267.0) internal successors, (4272), 16 states have internal predecessors, (4272), 0 states have call successors, (0), 0 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 05:28:12,958 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 267.0) internal successors, (4272), 16 states have internal predecessors, (4272), 0 states have call successors, (0), 0 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 05:28:12,958 INFO L175 Difference]: Start difference. First operand has 233 places, 172 transitions, 2712 flow. Second operand 15 states and 1715 transitions. [2023-09-01 05:28:12,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 218 transitions, 3436 flow [2023-09-01 05:28:12,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 218 transitions, 3283 flow, removed 7 selfloop flow, removed 12 redundant places. [2023-09-01 05:28:12,981 INFO L231 Difference]: Finished difference. Result has 238 places, 176 transitions, 2739 flow [2023-09-01 05:28:12,981 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=2563, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2739, PETRI_PLACES=238, PETRI_TRANSITIONS=176} [2023-09-01 05:28:12,982 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 200 predicate places. [2023-09-01 05:28:12,982 INFO L495 AbstractCegarLoop]: Abstraction has has 238 places, 176 transitions, 2739 flow [2023-09-01 05:28:12,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:28:12,982 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:28:12,982 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:28:12,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-09-01 05:28:12,982 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:28:12,983 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:28:12,983 INFO L85 PathProgramCache]: Analyzing trace with hash -200584408, now seen corresponding path program 14 times [2023-09-01 05:28:12,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:28:12,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971799069] [2023-09-01 05:28:12,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:28:12,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:28:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:28:13,539 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 05:28:13,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:28:13,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971799069] [2023-09-01 05:28:13,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971799069] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:28:13,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:28:13,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:28:13,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850181571] [2023-09-01 05:28:13,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:28:13,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:28:13,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:28:13,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:28:13,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:28:14,163 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 267 [2023-09-01 05:28:14,164 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 176 transitions, 2739 flow. Second operand has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:28:14,164 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:28:14,164 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 267 [2023-09-01 05:28:14,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:28:14,808 INFO L130 PetriNetUnfolder]: 253/783 cut-off events. [2023-09-01 05:28:14,808 INFO L131 PetriNetUnfolder]: For 7779/7779 co-relation queries the response was YES. [2023-09-01 05:28:14,812 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4831 conditions, 783 events. 253/783 cut-off events. For 7779/7779 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 5262 event pairs, 93 based on Foata normal form. 5/788 useless extension candidates. Maximal degree in co-relation 4776. Up to 424 conditions per place. [2023-09-01 05:28:14,814 INFO L137 encePairwiseOnDemand]: 255/267 looper letters, 165 selfloop transitions, 46 changer transitions 0/212 dead transitions. [2023-09-01 05:28:14,815 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 212 transitions, 3324 flow [2023-09-01 05:28:14,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-09-01 05:28:14,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-09-01 05:28:14,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1714 transitions. [2023-09-01 05:28:14,821 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4279650436953808 [2023-09-01 05:28:14,821 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1714 transitions. [2023-09-01 05:28:14,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1714 transitions. [2023-09-01 05:28:14,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:28:14,822 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1714 transitions. [2023-09-01 05:28:14,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 114.26666666666667) internal successors, (1714), 15 states have internal predecessors, (1714), 0 states have call successors, (0), 0 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 05:28:14,825 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 267.0) internal successors, (4272), 16 states have internal predecessors, (4272), 0 states have call successors, (0), 0 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 05:28:14,825 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 267.0) internal successors, (4272), 16 states have internal predecessors, (4272), 0 states have call successors, (0), 0 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 05:28:14,825 INFO L175 Difference]: Start difference. First operand has 238 places, 176 transitions, 2739 flow. Second operand 15 states and 1714 transitions. [2023-09-01 05:28:14,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 212 transitions, 3324 flow [2023-09-01 05:28:14,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 212 transitions, 3202 flow, removed 17 selfloop flow, removed 10 redundant places. [2023-09-01 05:28:14,848 INFO L231 Difference]: Finished difference. Result has 246 places, 177 transitions, 2780 flow [2023-09-01 05:28:14,849 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=2596, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2780, PETRI_PLACES=246, PETRI_TRANSITIONS=177} [2023-09-01 05:28:14,849 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 208 predicate places. [2023-09-01 05:28:14,849 INFO L495 AbstractCegarLoop]: Abstraction has has 246 places, 177 transitions, 2780 flow [2023-09-01 05:28:14,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:28:14,849 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:28:14,849 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:28:14,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-09-01 05:28:14,850 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:28:14,850 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:28:14,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1058466093, now seen corresponding path program 5 times [2023-09-01 05:28:14,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:28:14,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478409575] [2023-09-01 05:28:14,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:28:14,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:28:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:28:15,409 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 05:28:15,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:28:15,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478409575] [2023-09-01 05:28:15,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478409575] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:28:15,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:28:15,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:28:15,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736608527] [2023-09-01 05:28:15,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:28:15,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:28:15,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:28:15,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:28:15,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:28:16,140 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 267 [2023-09-01 05:28:16,141 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 177 transitions, 2780 flow. Second operand has 13 states, 13 states have (on average 112.15384615384616) internal successors, (1458), 13 states have internal predecessors, (1458), 0 states have call successors, (0), 0 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 05:28:16,141 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:28:16,141 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 267 [2023-09-01 05:28:16,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:28:16,659 INFO L130 PetriNetUnfolder]: 252/781 cut-off events. [2023-09-01 05:28:16,660 INFO L131 PetriNetUnfolder]: For 7855/7855 co-relation queries the response was YES. [2023-09-01 05:28:16,664 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4861 conditions, 781 events. 252/781 cut-off events. For 7855/7855 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 5246 event pairs, 57 based on Foata normal form. 1/782 useless extension candidates. Maximal degree in co-relation 4805. Up to 403 conditions per place. [2023-09-01 05:28:16,666 INFO L137 encePairwiseOnDemand]: 254/267 looper letters, 75 selfloop transitions, 116 changer transitions 0/192 dead transitions. [2023-09-01 05:28:16,667 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 192 transitions, 3276 flow [2023-09-01 05:28:16,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-09-01 05:28:16,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2023-09-01 05:28:16,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2278 transitions. [2023-09-01 05:28:16,669 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4265917602996255 [2023-09-01 05:28:16,669 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 2278 transitions. [2023-09-01 05:28:16,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 2278 transitions. [2023-09-01 05:28:16,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:28:16,670 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 2278 transitions. [2023-09-01 05:28:16,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 113.9) internal successors, (2278), 20 states have internal predecessors, (2278), 0 states have call successors, (0), 0 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 05:28:16,674 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 267.0) internal successors, (5607), 21 states have internal predecessors, (5607), 0 states have call successors, (0), 0 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 05:28:16,674 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 267.0) internal successors, (5607), 21 states have internal predecessors, (5607), 0 states have call successors, (0), 0 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 05:28:16,674 INFO L175 Difference]: Start difference. First operand has 246 places, 177 transitions, 2780 flow. Second operand 20 states and 2278 transitions. [2023-09-01 05:28:16,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 192 transitions, 3276 flow [2023-09-01 05:28:16,700 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 192 transitions, 3169 flow, removed 13 selfloop flow, removed 12 redundant places. [2023-09-01 05:28:16,703 INFO L231 Difference]: Finished difference. Result has 255 places, 180 transitions, 3031 flow [2023-09-01 05:28:16,703 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=2674, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=113, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=3031, PETRI_PLACES=255, PETRI_TRANSITIONS=180} [2023-09-01 05:28:16,703 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 217 predicate places. [2023-09-01 05:28:16,703 INFO L495 AbstractCegarLoop]: Abstraction has has 255 places, 180 transitions, 3031 flow [2023-09-01 05:28:16,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 112.15384615384616) internal successors, (1458), 13 states have internal predecessors, (1458), 0 states have call successors, (0), 0 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 05:28:16,704 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:28:16,704 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:28:16,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-09-01 05:28:16,704 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:28:16,704 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:28:16,705 INFO L85 PathProgramCache]: Analyzing trace with hash 719886573, now seen corresponding path program 6 times [2023-09-01 05:28:16,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:28:16,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552573115] [2023-09-01 05:28:16,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:28:16,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:28:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:28:17,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:28:17,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:28:17,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552573115] [2023-09-01 05:28:17,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552573115] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:28:17,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:28:17,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:28:17,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592685668] [2023-09-01 05:28:17,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:28:17,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:28:17,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:28:17,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:28:17,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:28:17,868 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 267 [2023-09-01 05:28:17,881 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 180 transitions, 3031 flow. Second operand has 13 states, 13 states have (on average 112.15384615384616) internal successors, (1458), 13 states have internal predecessors, (1458), 0 states have call successors, (0), 0 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 05:28:17,881 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:28:17,881 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 267 [2023-09-01 05:28:17,881 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:28:18,330 INFO L130 PetriNetUnfolder]: 251/778 cut-off events. [2023-09-01 05:28:18,330 INFO L131 PetriNetUnfolder]: For 7964/7964 co-relation queries the response was YES. [2023-09-01 05:28:18,333 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5035 conditions, 778 events. 251/778 cut-off events. For 7964/7964 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 5214 event pairs, 52 based on Foata normal form. 1/779 useless extension candidates. Maximal degree in co-relation 4983. Up to 457 conditions per place. [2023-09-01 05:28:18,334 INFO L137 encePairwiseOnDemand]: 254/267 looper letters, 89 selfloop transitions, 98 changer transitions 0/188 dead transitions. [2023-09-01 05:28:18,335 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 188 transitions, 3439 flow [2023-09-01 05:28:18,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-09-01 05:28:18,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-09-01 05:28:18,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1713 transitions. [2023-09-01 05:28:18,336 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42771535580524345 [2023-09-01 05:28:18,336 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1713 transitions. [2023-09-01 05:28:18,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1713 transitions. [2023-09-01 05:28:18,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:28:18,337 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1713 transitions. [2023-09-01 05:28:18,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 114.2) internal successors, (1713), 15 states have internal predecessors, (1713), 0 states have call successors, (0), 0 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 05:28:18,340 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 267.0) internal successors, (4272), 16 states have internal predecessors, (4272), 0 states have call successors, (0), 0 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 05:28:18,340 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 267.0) internal successors, (4272), 16 states have internal predecessors, (4272), 0 states have call successors, (0), 0 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 05:28:18,340 INFO L175 Difference]: Start difference. First operand has 255 places, 180 transitions, 3031 flow. Second operand 15 states and 1713 transitions. [2023-09-01 05:28:18,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 188 transitions, 3439 flow [2023-09-01 05:28:18,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 188 transitions, 3307 flow, removed 9 selfloop flow, removed 14 redundant places. [2023-09-01 05:28:18,364 INFO L231 Difference]: Finished difference. Result has 256 places, 181 transitions, 3120 flow [2023-09-01 05:28:18,364 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=2903, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=97, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=3120, PETRI_PLACES=256, PETRI_TRANSITIONS=181} [2023-09-01 05:28:18,364 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 218 predicate places. [2023-09-01 05:28:18,364 INFO L495 AbstractCegarLoop]: Abstraction has has 256 places, 181 transitions, 3120 flow [2023-09-01 05:28:18,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 112.15384615384616) internal successors, (1458), 13 states have internal predecessors, (1458), 0 states have call successors, (0), 0 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 05:28:18,365 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:28:18,365 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:28:18,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-09-01 05:28:18,365 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:28:18,365 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:28:18,366 INFO L85 PathProgramCache]: Analyzing trace with hash -539163928, now seen corresponding path program 15 times [2023-09-01 05:28:18,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:28:18,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277602298] [2023-09-01 05:28:18,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:28:18,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:28:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:28:18,941 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 05:28:18,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:28:18,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277602298] [2023-09-01 05:28:18,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277602298] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:28:18,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:28:18,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:28:18,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730599541] [2023-09-01 05:28:18,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:28:18,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:28:18,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:28:18,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:28:18,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:28:19,824 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 267 [2023-09-01 05:28:19,825 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 181 transitions, 3120 flow. Second operand has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:28:19,825 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:28:19,825 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 267 [2023-09-01 05:28:19,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:28:20,330 INFO L130 PetriNetUnfolder]: 248/765 cut-off events. [2023-09-01 05:28:20,331 INFO L131 PetriNetUnfolder]: For 8485/8485 co-relation queries the response was YES. [2023-09-01 05:28:20,334 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5052 conditions, 765 events. 248/765 cut-off events. For 8485/8485 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 5097 event pairs, 87 based on Foata normal form. 5/770 useless extension candidates. Maximal degree in co-relation 4999. Up to 424 conditions per place. [2023-09-01 05:28:20,336 INFO L137 encePairwiseOnDemand]: 255/267 looper letters, 153 selfloop transitions, 44 changer transitions 0/198 dead transitions. [2023-09-01 05:28:20,337 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 198 transitions, 3535 flow [2023-09-01 05:28:20,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-01 05:28:20,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-09-01 05:28:20,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1478 transitions. [2023-09-01 05:28:20,339 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4258138864880438 [2023-09-01 05:28:20,339 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1478 transitions. [2023-09-01 05:28:20,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1478 transitions. [2023-09-01 05:28:20,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:28:20,340 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1478 transitions. [2023-09-01 05:28:20,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 113.6923076923077) internal successors, (1478), 13 states have internal predecessors, (1478), 0 states have call successors, (0), 0 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 05:28:20,343 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 267.0) internal successors, (3738), 14 states have internal predecessors, (3738), 0 states have call successors, (0), 0 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 05:28:20,344 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 267.0) internal successors, (3738), 14 states have internal predecessors, (3738), 0 states have call successors, (0), 0 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 05:28:20,344 INFO L175 Difference]: Start difference. First operand has 256 places, 181 transitions, 3120 flow. Second operand 13 states and 1478 transitions. [2023-09-01 05:28:20,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 198 transitions, 3535 flow [2023-09-01 05:28:20,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 198 transitions, 3324 flow, removed 2 selfloop flow, removed 19 redundant places. [2023-09-01 05:28:20,372 INFO L231 Difference]: Finished difference. Result has 248 places, 177 transitions, 2936 flow [2023-09-01 05:28:20,372 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=2848, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2936, PETRI_PLACES=248, PETRI_TRANSITIONS=177} [2023-09-01 05:28:20,373 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 210 predicate places. [2023-09-01 05:28:20,373 INFO L495 AbstractCegarLoop]: Abstraction has has 248 places, 177 transitions, 2936 flow [2023-09-01 05:28:20,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:28:20,373 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:28:20,373 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:28:20,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-09-01 05:28:20,374 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:28:20,374 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:28:20,374 INFO L85 PathProgramCache]: Analyzing trace with hash 719886572, now seen corresponding path program 16 times [2023-09-01 05:28:20,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:28:20,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550041824] [2023-09-01 05:28:20,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:28:20,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:28:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:28:21,133 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 05:28:21,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:28:21,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550041824] [2023-09-01 05:28:21,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550041824] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:28:21,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:28:21,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:28:21,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334569264] [2023-09-01 05:28:21,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:28:21,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:28:21,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:28:21,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:28:21,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:28:21,854 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 267 [2023-09-01 05:28:21,854 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 177 transitions, 2936 flow. Second operand has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:28:21,854 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:28:21,854 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 267 [2023-09-01 05:28:21,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:28:22,282 INFO L130 PetriNetUnfolder]: 245/753 cut-off events. [2023-09-01 05:28:22,282 INFO L131 PetriNetUnfolder]: For 8212/8212 co-relation queries the response was YES. [2023-09-01 05:28:22,285 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4908 conditions, 753 events. 245/753 cut-off events. For 8212/8212 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 4979 event pairs, 34 based on Foata normal form. 5/758 useless extension candidates. Maximal degree in co-relation 4861. Up to 320 conditions per place. [2023-09-01 05:28:22,287 INFO L137 encePairwiseOnDemand]: 256/267 looper letters, 104 selfloop transitions, 83 changer transitions 0/188 dead transitions. [2023-09-01 05:28:22,288 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 188 transitions, 3316 flow [2023-09-01 05:28:22,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-09-01 05:28:22,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-09-01 05:28:22,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1359 transitions. [2023-09-01 05:28:22,289 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4241573033707865 [2023-09-01 05:28:22,289 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1359 transitions. [2023-09-01 05:28:22,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1359 transitions. [2023-09-01 05:28:22,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:28:22,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1359 transitions. [2023-09-01 05:28:22,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 113.25) internal successors, (1359), 12 states have internal predecessors, (1359), 0 states have call successors, (0), 0 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 05:28:22,292 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 267.0) internal successors, (3471), 13 states have internal predecessors, (3471), 0 states have call successors, (0), 0 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 05:28:22,292 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 267.0) internal successors, (3471), 13 states have internal predecessors, (3471), 0 states have call successors, (0), 0 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 05:28:22,292 INFO L175 Difference]: Start difference. First operand has 248 places, 177 transitions, 2936 flow. Second operand 12 states and 1359 transitions. [2023-09-01 05:28:22,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 188 transitions, 3316 flow [2023-09-01 05:28:22,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 188 transitions, 3213 flow, removed 3 selfloop flow, removed 14 redundant places. [2023-09-01 05:28:22,314 INFO L231 Difference]: Finished difference. Result has 242 places, 173 transitions, 2950 flow [2023-09-01 05:28:22,314 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=2784, PETRI_DIFFERENCE_MINUEND_PLACES=231, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2950, PETRI_PLACES=242, PETRI_TRANSITIONS=173} [2023-09-01 05:28:22,315 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 204 predicate places. [2023-09-01 05:28:22,315 INFO L495 AbstractCegarLoop]: Abstraction has has 242 places, 173 transitions, 2950 flow [2023-09-01 05:28:22,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.15384615384616) internal successors, (1432), 13 states have internal predecessors, (1432), 0 states have call successors, (0), 0 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 05:28:22,315 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:28:22,315 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:28:22,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-09-01 05:28:22,315 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:28:22,316 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:28:22,316 INFO L85 PathProgramCache]: Analyzing trace with hash 819338797, now seen corresponding path program 1 times [2023-09-01 05:28:22,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:28:22,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359579029] [2023-09-01 05:28:22,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:28:22,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:28:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:28:23,155 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 05:28:23,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:28:23,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359579029] [2023-09-01 05:28:23,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359579029] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:28:23,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:28:23,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-09-01 05:28:23,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034155781] [2023-09-01 05:28:23,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:28:23,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-09-01 05:28:23,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:28:23,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-09-01 05:28:23,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2023-09-01 05:28:23,962 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 267 [2023-09-01 05:28:23,963 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 173 transitions, 2950 flow. Second operand has 14 states, 14 states have (on average 112.14285714285714) internal successors, (1570), 14 states have internal predecessors, (1570), 0 states have call successors, (0), 0 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 05:28:23,963 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:28:23,963 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 267 [2023-09-01 05:28:23,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:28:24,547 INFO L130 PetriNetUnfolder]: 244/751 cut-off events. [2023-09-01 05:28:24,547 INFO L131 PetriNetUnfolder]: For 8030/8030 co-relation queries the response was YES. [2023-09-01 05:28:24,550 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4937 conditions, 751 events. 244/751 cut-off events. For 8030/8030 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 4984 event pairs, 138 based on Foata normal form. 1/752 useless extension candidates. Maximal degree in co-relation 4896. Up to 374 conditions per place. [2023-09-01 05:28:24,552 INFO L137 encePairwiseOnDemand]: 257/267 looper letters, 134 selfloop transitions, 59 changer transitions 0/194 dead transitions. [2023-09-01 05:28:24,553 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 194 transitions, 3449 flow [2023-09-01 05:28:24,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-01 05:28:24,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-09-01 05:28:24,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1500 transitions. [2023-09-01 05:28:24,554 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43215211754537597 [2023-09-01 05:28:24,554 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1500 transitions. [2023-09-01 05:28:24,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1500 transitions. [2023-09-01 05:28:24,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:28:24,555 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1500 transitions. [2023-09-01 05:28:24,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 115.38461538461539) internal successors, (1500), 13 states have internal predecessors, (1500), 0 states have call successors, (0), 0 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 05:28:24,558 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 267.0) internal successors, (3738), 14 states have internal predecessors, (3738), 0 states have call successors, (0), 0 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 05:28:24,559 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 267.0) internal successors, (3738), 14 states have internal predecessors, (3738), 0 states have call successors, (0), 0 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 05:28:24,559 INFO L175 Difference]: Start difference. First operand has 242 places, 173 transitions, 2950 flow. Second operand 13 states and 1500 transitions. [2023-09-01 05:28:24,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 194 transitions, 3449 flow [2023-09-01 05:28:24,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 194 transitions, 3309 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-09-01 05:28:24,579 INFO L231 Difference]: Finished difference. Result has 248 places, 176 transitions, 2963 flow [2023-09-01 05:28:24,580 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=2810, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2963, PETRI_PLACES=248, PETRI_TRANSITIONS=176} [2023-09-01 05:28:24,583 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 210 predicate places. [2023-09-01 05:28:24,583 INFO L495 AbstractCegarLoop]: Abstraction has has 248 places, 176 transitions, 2963 flow [2023-09-01 05:28:24,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 112.14285714285714) internal successors, (1570), 14 states have internal predecessors, (1570), 0 states have call successors, (0), 0 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 05:28:24,583 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:28:24,584 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:28:24,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-09-01 05:28:24,584 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:28:24,584 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:28:24,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1805488047, now seen corresponding path program 2 times [2023-09-01 05:28:24,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:28:24,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959389853] [2023-09-01 05:28:24,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:28:24,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:28:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:28:25,345 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 05:28:25,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:28:25,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959389853] [2023-09-01 05:28:25,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959389853] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:28:25,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:28:25,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-09-01 05:28:25,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462067486] [2023-09-01 05:28:25,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:28:25,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-09-01 05:28:25,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:28:25,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-09-01 05:28:25,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2023-09-01 05:28:26,112 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 267 [2023-09-01 05:28:26,113 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 176 transitions, 2963 flow. Second operand has 14 states, 14 states have (on average 111.14285714285714) internal successors, (1556), 14 states have internal predecessors, (1556), 0 states have call successors, (0), 0 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 05:28:26,113 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:28:26,113 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 267 [2023-09-01 05:28:26,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:28:26,637 INFO L130 PetriNetUnfolder]: 243/754 cut-off events. [2023-09-01 05:28:26,638 INFO L131 PetriNetUnfolder]: For 8077/8077 co-relation queries the response was YES. [2023-09-01 05:28:26,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5080 conditions, 754 events. 243/754 cut-off events. For 8077/8077 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 5014 event pairs, 158 based on Foata normal form. 1/755 useless extension candidates. Maximal degree in co-relation 5037. Up to 649 conditions per place. [2023-09-01 05:28:26,642 INFO L137 encePairwiseOnDemand]: 256/267 looper letters, 166 selfloop transitions, 28 changer transitions 0/195 dead transitions. [2023-09-01 05:28:26,642 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 195 transitions, 3534 flow [2023-09-01 05:28:26,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-09-01 05:28:26,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-09-01 05:28:26,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1368 transitions. [2023-09-01 05:28:26,643 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42696629213483145 [2023-09-01 05:28:26,643 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1368 transitions. [2023-09-01 05:28:26,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1368 transitions. [2023-09-01 05:28:26,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:28:26,644 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1368 transitions. [2023-09-01 05:28:26,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 114.0) internal successors, (1368), 12 states have internal predecessors, (1368), 0 states have call successors, (0), 0 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 05:28:26,646 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 267.0) internal successors, (3471), 13 states have internal predecessors, (3471), 0 states have call successors, (0), 0 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 05:28:26,646 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 267.0) internal successors, (3471), 13 states have internal predecessors, (3471), 0 states have call successors, (0), 0 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 05:28:26,646 INFO L175 Difference]: Start difference. First operand has 248 places, 176 transitions, 2963 flow. Second operand 12 states and 1368 transitions. [2023-09-01 05:28:26,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 195 transitions, 3534 flow [2023-09-01 05:28:26,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 195 transitions, 3425 flow, removed 0 selfloop flow, removed 9 redundant places. [2023-09-01 05:28:26,665 INFO L231 Difference]: Finished difference. Result has 253 places, 182 transitions, 3031 flow [2023-09-01 05:28:26,665 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=2864, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=3031, PETRI_PLACES=253, PETRI_TRANSITIONS=182} [2023-09-01 05:28:26,666 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 215 predicate places. [2023-09-01 05:28:26,666 INFO L495 AbstractCegarLoop]: Abstraction has has 253 places, 182 transitions, 3031 flow [2023-09-01 05:28:26,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 111.14285714285714) internal successors, (1556), 14 states have internal predecessors, (1556), 0 states have call successors, (0), 0 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 05:28:26,666 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:28:26,666 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:28:26,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2023-09-01 05:28:26,666 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:28:26,667 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:28:26,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1074127285, now seen corresponding path program 3 times [2023-09-01 05:28:26,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:28:26,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353712767] [2023-09-01 05:28:26,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:28:26,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:28:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:28:27,386 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 05:28:27,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:28:27,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353712767] [2023-09-01 05:28:27,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353712767] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:28:27,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:28:27,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-09-01 05:28:27,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006384746] [2023-09-01 05:28:27,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:28:27,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-09-01 05:28:27,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:28:27,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-09-01 05:28:27,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2023-09-01 05:28:28,106 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 267 [2023-09-01 05:28:28,106 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 182 transitions, 3031 flow. Second operand has 14 states, 14 states have (on average 111.14285714285714) internal successors, (1556), 14 states have internal predecessors, (1556), 0 states have call successors, (0), 0 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 05:28:28,109 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:28:28,109 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 267 [2023-09-01 05:28:28,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:28:28,721 INFO L130 PetriNetUnfolder]: 242/752 cut-off events. [2023-09-01 05:28:28,722 INFO L131 PetriNetUnfolder]: For 8158/8158 co-relation queries the response was YES. [2023-09-01 05:28:28,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5093 conditions, 752 events. 242/752 cut-off events. For 8158/8158 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 5001 event pairs, 152 based on Foata normal form. 1/753 useless extension candidates. Maximal degree in co-relation 5047. Up to 602 conditions per place. [2023-09-01 05:28:28,726 INFO L137 encePairwiseOnDemand]: 256/267 looper letters, 158 selfloop transitions, 38 changer transitions 0/197 dead transitions. [2023-09-01 05:28:28,726 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 197 transitions, 3532 flow [2023-09-01 05:28:28,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-01 05:28:28,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-09-01 05:28:28,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1483 transitions. [2023-09-01 05:28:28,728 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4272543935465284 [2023-09-01 05:28:28,728 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1483 transitions. [2023-09-01 05:28:28,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1483 transitions. [2023-09-01 05:28:28,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:28:28,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1483 transitions. [2023-09-01 05:28:28,729 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 114.07692307692308) internal successors, (1483), 13 states have internal predecessors, (1483), 0 states have call successors, (0), 0 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 05:28:28,731 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 267.0) internal successors, (3738), 14 states have internal predecessors, (3738), 0 states have call successors, (0), 0 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 05:28:28,731 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 267.0) internal successors, (3738), 14 states have internal predecessors, (3738), 0 states have call successors, (0), 0 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 05:28:28,731 INFO L175 Difference]: Start difference. First operand has 253 places, 182 transitions, 3031 flow. Second operand 13 states and 1483 transitions. [2023-09-01 05:28:28,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 197 transitions, 3532 flow [2023-09-01 05:28:28,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 197 transitions, 3495 flow, removed 4 selfloop flow, removed 6 redundant places. [2023-09-01 05:28:28,752 INFO L231 Difference]: Finished difference. Result has 261 places, 185 transitions, 3121 flow [2023-09-01 05:28:28,752 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=2994, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3121, PETRI_PLACES=261, PETRI_TRANSITIONS=185} [2023-09-01 05:28:28,752 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 223 predicate places. [2023-09-01 05:28:28,753 INFO L495 AbstractCegarLoop]: Abstraction has has 261 places, 185 transitions, 3121 flow [2023-09-01 05:28:28,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 111.14285714285714) internal successors, (1556), 14 states have internal predecessors, (1556), 0 states have call successors, (0), 0 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 05:28:28,753 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:28:28,753 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:28:28,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-09-01 05:28:28,753 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:28:28,754 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:28:28,754 INFO L85 PathProgramCache]: Analyzing trace with hash -2113901309, now seen corresponding path program 4 times [2023-09-01 05:28:28,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:28:28,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351553050] [2023-09-01 05:28:28,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:28:28,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:28:28,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:28:29,583 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 05:28:29,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:28:29,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351553050] [2023-09-01 05:28:29,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351553050] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:28:29,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:28:29,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-09-01 05:28:29,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711199310] [2023-09-01 05:28:29,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:28:29,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-09-01 05:28:29,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:28:29,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-09-01 05:28:29,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2023-09-01 05:28:30,412 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 267 [2023-09-01 05:28:30,413 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 185 transitions, 3121 flow. Second operand has 14 states, 14 states have (on average 111.14285714285714) internal successors, (1556), 14 states have internal predecessors, (1556), 0 states have call successors, (0), 0 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 05:28:30,413 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:28:30,413 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 267 [2023-09-01 05:28:30,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:28:31,029 INFO L130 PetriNetUnfolder]: 241/750 cut-off events. [2023-09-01 05:28:31,029 INFO L131 PetriNetUnfolder]: For 8469/8469 co-relation queries the response was YES. [2023-09-01 05:28:31,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5164 conditions, 750 events. 241/750 cut-off events. For 8469/8469 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 4982 event pairs, 156 based on Foata normal form. 1/751 useless extension candidates. Maximal degree in co-relation 5115. Up to 594 conditions per place. [2023-09-01 05:28:31,067 INFO L137 encePairwiseOnDemand]: 257/267 looper letters, 144 selfloop transitions, 54 changer transitions 0/199 dead transitions. [2023-09-01 05:28:31,067 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 199 transitions, 3629 flow [2023-09-01 05:28:31,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-01 05:28:31,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-09-01 05:28:31,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1260 transitions. [2023-09-01 05:28:31,069 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4290091930541369 [2023-09-01 05:28:31,069 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1260 transitions. [2023-09-01 05:28:31,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1260 transitions. [2023-09-01 05:28:31,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:28:31,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1260 transitions. [2023-09-01 05:28:31,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 114.54545454545455) internal successors, (1260), 11 states have internal predecessors, (1260), 0 states have call successors, (0), 0 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 05:28:31,072 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 267.0) internal successors, (3204), 12 states have internal predecessors, (3204), 0 states have call successors, (0), 0 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 05:28:31,073 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 267.0) internal successors, (3204), 12 states have internal predecessors, (3204), 0 states have call successors, (0), 0 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 05:28:31,073 INFO L175 Difference]: Start difference. First operand has 261 places, 185 transitions, 3121 flow. Second operand 11 states and 1260 transitions. [2023-09-01 05:28:31,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 199 transitions, 3629 flow [2023-09-01 05:28:31,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 199 transitions, 3587 flow, removed 7 selfloop flow, removed 5 redundant places. [2023-09-01 05:28:31,104 INFO L231 Difference]: Finished difference. Result has 268 places, 188 transitions, 3240 flow [2023-09-01 05:28:31,105 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=3083, PETRI_DIFFERENCE_MINUEND_PLACES=256, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3240, PETRI_PLACES=268, PETRI_TRANSITIONS=188} [2023-09-01 05:28:31,105 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 230 predicate places. [2023-09-01 05:28:31,105 INFO L495 AbstractCegarLoop]: Abstraction has has 268 places, 188 transitions, 3240 flow [2023-09-01 05:28:31,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 111.14285714285714) internal successors, (1556), 14 states have internal predecessors, (1556), 0 states have call successors, (0), 0 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 05:28:31,106 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:28:31,106 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:28:31,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2023-09-01 05:28:31,106 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:28:31,106 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:28:31,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1309089479, now seen corresponding path program 5 times [2023-09-01 05:28:31,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:28:31,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233283099] [2023-09-01 05:28:31,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:28:31,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:28:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:28:32,120 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 05:28:32,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:28:32,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233283099] [2023-09-01 05:28:32,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233283099] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:28:32,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:28:32,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-09-01 05:28:32,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921518826] [2023-09-01 05:28:32,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:28:32,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-09-01 05:28:32,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:28:32,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-09-01 05:28:32,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2023-09-01 05:28:32,853 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 267 [2023-09-01 05:28:32,854 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 188 transitions, 3240 flow. Second operand has 14 states, 14 states have (on average 112.14285714285714) internal successors, (1570), 14 states have internal predecessors, (1570), 0 states have call successors, (0), 0 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 05:28:32,854 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:28:32,854 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 267 [2023-09-01 05:28:32,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:28:33,399 INFO L130 PetriNetUnfolder]: 240/748 cut-off events. [2023-09-01 05:28:33,400 INFO L131 PetriNetUnfolder]: For 8688/8688 co-relation queries the response was YES. [2023-09-01 05:28:33,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5208 conditions, 748 events. 240/748 cut-off events. For 8688/8688 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 4977 event pairs, 146 based on Foata normal form. 1/749 useless extension candidates. Maximal degree in co-relation 5156. Up to 471 conditions per place. [2023-09-01 05:28:33,406 INFO L137 encePairwiseOnDemand]: 257/267 looper letters, 144 selfloop transitions, 62 changer transitions 0/207 dead transitions. [2023-09-01 05:28:33,406 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 207 transitions, 3765 flow [2023-09-01 05:28:33,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-01 05:28:33,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-09-01 05:28:33,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1504 transitions. [2023-09-01 05:28:33,408 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4333045231921636 [2023-09-01 05:28:33,408 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1504 transitions. [2023-09-01 05:28:33,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1504 transitions. [2023-09-01 05:28:33,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:28:33,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1504 transitions. [2023-09-01 05:28:33,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 115.6923076923077) internal successors, (1504), 13 states have internal predecessors, (1504), 0 states have call successors, (0), 0 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 05:28:33,411 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 267.0) internal successors, (3738), 14 states have internal predecessors, (3738), 0 states have call successors, (0), 0 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 05:28:33,411 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 267.0) internal successors, (3738), 14 states have internal predecessors, (3738), 0 states have call successors, (0), 0 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 05:28:33,411 INFO L175 Difference]: Start difference. First operand has 268 places, 188 transitions, 3240 flow. Second operand 13 states and 1504 transitions. [2023-09-01 05:28:33,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 207 transitions, 3765 flow [2023-09-01 05:28:33,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 207 transitions, 3688 flow, removed 6 selfloop flow, removed 6 redundant places. [2023-09-01 05:28:33,437 INFO L231 Difference]: Finished difference. Result has 276 places, 191 transitions, 3355 flow [2023-09-01 05:28:33,438 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=3163, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3355, PETRI_PLACES=276, PETRI_TRANSITIONS=191} [2023-09-01 05:28:33,438 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 238 predicate places. [2023-09-01 05:28:33,438 INFO L495 AbstractCegarLoop]: Abstraction has has 276 places, 191 transitions, 3355 flow [2023-09-01 05:28:33,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 112.14285714285714) internal successors, (1570), 14 states have internal predecessors, (1570), 0 states have call successors, (0), 0 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 05:28:33,438 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:28:33,438 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:28:33,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2023-09-01 05:28:33,439 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:28:33,439 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:28:33,439 INFO L85 PathProgramCache]: Analyzing trace with hash -360007055, now seen corresponding path program 6 times [2023-09-01 05:28:33,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:28:33,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20441618] [2023-09-01 05:28:33,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:28:33,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:28:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:28:34,359 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 05:28:34,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:28:34,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20441618] [2023-09-01 05:28:34,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20441618] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:28:34,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:28:34,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-09-01 05:28:34,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685097380] [2023-09-01 05:28:34,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:28:34,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-09-01 05:28:34,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:28:34,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-09-01 05:28:34,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2023-09-01 05:28:35,078 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 267 [2023-09-01 05:28:35,079 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 191 transitions, 3355 flow. Second operand has 14 states, 14 states have (on average 112.14285714285714) internal successors, (1570), 14 states have internal predecessors, (1570), 0 states have call successors, (0), 0 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 05:28:35,079 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:28:35,079 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 267 [2023-09-01 05:28:35,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:28:35,680 INFO L130 PetriNetUnfolder]: 238/744 cut-off events. [2023-09-01 05:28:35,680 INFO L131 PetriNetUnfolder]: For 9241/9241 co-relation queries the response was YES. [2023-09-01 05:28:35,684 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5296 conditions, 744 events. 238/744 cut-off events. For 9241/9241 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 4944 event pairs, 127 based on Foata normal form. 2/746 useless extension candidates. Maximal degree in co-relation 5241. Up to 483 conditions per place. [2023-09-01 05:28:35,686 INFO L137 encePairwiseOnDemand]: 255/267 looper letters, 159 selfloop transitions, 51 changer transitions 0/211 dead transitions. [2023-09-01 05:28:35,686 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 211 transitions, 3928 flow [2023-09-01 05:28:35,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-01 05:28:35,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-09-01 05:28:35,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1950 transitions. [2023-09-01 05:28:35,688 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42961004626569727 [2023-09-01 05:28:35,688 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1950 transitions. [2023-09-01 05:28:35,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1950 transitions. [2023-09-01 05:28:35,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:28:35,689 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1950 transitions. [2023-09-01 05:28:35,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 114.70588235294117) internal successors, (1950), 17 states have internal predecessors, (1950), 0 states have call successors, (0), 0 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 05:28:35,692 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 267.0) internal successors, (4806), 18 states have internal predecessors, (4806), 0 states have call successors, (0), 0 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 05:28:35,692 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 267.0) internal successors, (4806), 18 states have internal predecessors, (4806), 0 states have call successors, (0), 0 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 05:28:35,692 INFO L175 Difference]: Start difference. First operand has 276 places, 191 transitions, 3355 flow. Second operand 17 states and 1950 transitions. [2023-09-01 05:28:35,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 211 transitions, 3928 flow [2023-09-01 05:28:35,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 211 transitions, 3796 flow, removed 6 selfloop flow, removed 9 redundant places. [2023-09-01 05:28:35,719 INFO L231 Difference]: Finished difference. Result has 285 places, 195 transitions, 3424 flow [2023-09-01 05:28:35,719 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=3227, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=3424, PETRI_PLACES=285, PETRI_TRANSITIONS=195} [2023-09-01 05:28:35,719 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 247 predicate places. [2023-09-01 05:28:35,720 INFO L495 AbstractCegarLoop]: Abstraction has has 285 places, 195 transitions, 3424 flow [2023-09-01 05:28:35,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 112.14285714285714) internal successors, (1570), 14 states have internal predecessors, (1570), 0 states have call successors, (0), 0 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 05:28:35,720 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:28:35,720 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:28:35,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2023-09-01 05:28:35,720 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:28:35,721 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:28:35,721 INFO L85 PathProgramCache]: Analyzing trace with hash 465788613, now seen corresponding path program 7 times [2023-09-01 05:28:35,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:28:35,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221465221] [2023-09-01 05:28:35,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:28:35,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:28:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:28:36,512 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 05:28:36,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:28:36,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221465221] [2023-09-01 05:28:36,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221465221] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:28:36,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:28:36,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-09-01 05:28:36,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648824922] [2023-09-01 05:28:36,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:28:36,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-09-01 05:28:36,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:28:36,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-09-01 05:28:36,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-09-01 05:28:37,293 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 267 [2023-09-01 05:28:37,294 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 195 transitions, 3424 flow. Second operand has 14 states, 14 states have (on average 112.14285714285714) internal successors, (1570), 14 states have internal predecessors, (1570), 0 states have call successors, (0), 0 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 05:28:37,294 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:28:37,294 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 267 [2023-09-01 05:28:37,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:28:37,760 INFO L130 PetriNetUnfolder]: 237/741 cut-off events. [2023-09-01 05:28:37,760 INFO L131 PetriNetUnfolder]: For 9583/9583 co-relation queries the response was YES. [2023-09-01 05:28:37,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5321 conditions, 741 events. 237/741 cut-off events. For 9583/9583 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 4924 event pairs, 122 based on Foata normal form. 1/742 useless extension candidates. Maximal degree in co-relation 5264. Up to 473 conditions per place. [2023-09-01 05:28:37,766 INFO L137 encePairwiseOnDemand]: 255/267 looper letters, 169 selfloop transitions, 41 changer transitions 0/211 dead transitions. [2023-09-01 05:28:37,766 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 211 transitions, 3937 flow [2023-09-01 05:28:37,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-09-01 05:28:37,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-09-01 05:28:37,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1386 transitions. [2023-09-01 05:28:37,768 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43258426966292135 [2023-09-01 05:28:37,768 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1386 transitions. [2023-09-01 05:28:37,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1386 transitions. [2023-09-01 05:28:37,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:28:37,768 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1386 transitions. [2023-09-01 05:28:37,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 115.5) internal successors, (1386), 12 states have internal predecessors, (1386), 0 states have call successors, (0), 0 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 05:28:37,771 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 267.0) internal successors, (3471), 13 states have internal predecessors, (3471), 0 states have call successors, (0), 0 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 05:28:37,771 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 267.0) internal successors, (3471), 13 states have internal predecessors, (3471), 0 states have call successors, (0), 0 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 05:28:37,771 INFO L175 Difference]: Start difference. First operand has 285 places, 195 transitions, 3424 flow. Second operand 12 states and 1386 transitions. [2023-09-01 05:28:37,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 211 transitions, 3937 flow [2023-09-01 05:28:37,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 211 transitions, 3807 flow, removed 16 selfloop flow, removed 13 redundant places. [2023-09-01 05:28:37,800 INFO L231 Difference]: Finished difference. Result has 284 places, 196 transitions, 3403 flow [2023-09-01 05:28:37,801 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=3308, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=3403, PETRI_PLACES=284, PETRI_TRANSITIONS=196} [2023-09-01 05:28:37,801 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 246 predicate places. [2023-09-01 05:28:37,801 INFO L495 AbstractCegarLoop]: Abstraction has has 284 places, 196 transitions, 3403 flow [2023-09-01 05:28:37,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 112.14285714285714) internal successors, (1570), 14 states have internal predecessors, (1570), 0 states have call successors, (0), 0 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 05:28:37,802 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:28:37,802 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:28:37,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2023-09-01 05:28:37,802 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:28:37,802 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:28:37,802 INFO L85 PathProgramCache]: Analyzing trace with hash -441709849, now seen corresponding path program 8 times [2023-09-01 05:28:37,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:28:37,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031674844] [2023-09-01 05:28:37,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:28:37,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:28:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:28:38,579 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 05:28:38,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:28:38,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031674844] [2023-09-01 05:28:38,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031674844] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:28:38,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:28:38,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-09-01 05:28:38,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964128840] [2023-09-01 05:28:38,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:28:38,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-09-01 05:28:38,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:28:38,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-09-01 05:28:38,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2023-09-01 05:28:39,458 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 267 [2023-09-01 05:28:39,459 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 196 transitions, 3403 flow. Second operand has 14 states, 14 states have (on average 112.14285714285714) internal successors, (1570), 14 states have internal predecessors, (1570), 0 states have call successors, (0), 0 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 05:28:39,459 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:28:39,460 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 267 [2023-09-01 05:28:39,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:28:40,206 INFO L130 PetriNetUnfolder]: 236/740 cut-off events. [2023-09-01 05:28:40,206 INFO L131 PetriNetUnfolder]: For 9365/9365 co-relation queries the response was YES. [2023-09-01 05:28:40,209 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5236 conditions, 740 events. 236/740 cut-off events. For 9365/9365 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 4919 event pairs, 102 based on Foata normal form. 1/741 useless extension candidates. Maximal degree in co-relation 5177. Up to 277 conditions per place. [2023-09-01 05:28:40,211 INFO L137 encePairwiseOnDemand]: 256/267 looper letters, 115 selfloop transitions, 100 changer transitions 0/216 dead transitions. [2023-09-01 05:28:40,211 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 216 transitions, 3977 flow [2023-09-01 05:28:40,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-01 05:28:40,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-09-01 05:28:40,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1950 transitions. [2023-09-01 05:28:40,213 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42961004626569727 [2023-09-01 05:28:40,213 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1950 transitions. [2023-09-01 05:28:40,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1950 transitions. [2023-09-01 05:28:40,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:28:40,213 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1950 transitions. [2023-09-01 05:28:40,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 114.70588235294117) internal successors, (1950), 17 states have internal predecessors, (1950), 0 states have call successors, (0), 0 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 05:28:40,216 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 267.0) internal successors, (4806), 18 states have internal predecessors, (4806), 0 states have call successors, (0), 0 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 05:28:40,217 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 267.0) internal successors, (4806), 18 states have internal predecessors, (4806), 0 states have call successors, (0), 0 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 05:28:40,217 INFO L175 Difference]: Start difference. First operand has 284 places, 196 transitions, 3403 flow. Second operand 17 states and 1950 transitions. [2023-09-01 05:28:40,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 216 transitions, 3977 flow [2023-09-01 05:28:40,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 216 transitions, 3880 flow, removed 1 selfloop flow, removed 9 redundant places. [2023-09-01 05:28:40,244 INFO L231 Difference]: Finished difference. Result has 293 places, 199 transitions, 3627 flow [2023-09-01 05:28:40,244 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=3306, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=98, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=3627, PETRI_PLACES=293, PETRI_TRANSITIONS=199} [2023-09-01 05:28:40,245 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 255 predicate places. [2023-09-01 05:28:40,245 INFO L495 AbstractCegarLoop]: Abstraction has has 293 places, 199 transitions, 3627 flow [2023-09-01 05:28:40,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 112.14285714285714) internal successors, (1570), 14 states have internal predecessors, (1570), 0 states have call successors, (0), 0 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 05:28:40,245 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:28:40,245 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:28:40,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2023-09-01 05:28:40,245 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:28:40,246 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:28:40,246 INFO L85 PathProgramCache]: Analyzing trace with hash -866783833, now seen corresponding path program 9 times [2023-09-01 05:28:40,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:28:40,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837043369] [2023-09-01 05:28:40,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:28:40,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:28:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:28:40,955 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 05:28:40,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:28:40,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837043369] [2023-09-01 05:28:40,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837043369] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:28:40,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:28:40,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-01 05:28:40,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662770737] [2023-09-01 05:28:40,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:28:40,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-09-01 05:28:40,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:28:40,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-09-01 05:28:40,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-09-01 05:28:41,697 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 267 [2023-09-01 05:28:41,697 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 199 transitions, 3627 flow. Second operand has 13 states, 13 states have (on average 113.23076923076923) internal successors, (1472), 13 states have internal predecessors, (1472), 0 states have call successors, (0), 0 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 05:28:41,697 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:28:41,697 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 267 [2023-09-01 05:28:41,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:28:42,350 INFO L130 PetriNetUnfolder]: 301/944 cut-off events. [2023-09-01 05:28:42,350 INFO L131 PetriNetUnfolder]: For 12500/12500 co-relation queries the response was YES. [2023-09-01 05:28:42,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6844 conditions, 944 events. 301/944 cut-off events. For 12500/12500 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 6755 event pairs, 191 based on Foata normal form. 1/945 useless extension candidates. Maximal degree in co-relation 6783. Up to 611 conditions per place. [2023-09-01 05:28:42,360 INFO L137 encePairwiseOnDemand]: 255/267 looper letters, 238 selfloop transitions, 28 changer transitions 0/267 dead transitions. [2023-09-01 05:28:42,360 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 267 transitions, 5115 flow [2023-09-01 05:28:42,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-01 05:28:42,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-09-01 05:28:42,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1523 transitions. [2023-09-01 05:28:42,362 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4387784500144051 [2023-09-01 05:28:42,362 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1523 transitions. [2023-09-01 05:28:42,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1523 transitions. [2023-09-01 05:28:42,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:28:42,362 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1523 transitions. [2023-09-01 05:28:42,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 117.15384615384616) internal successors, (1523), 13 states have internal predecessors, (1523), 0 states have call successors, (0), 0 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 05:28:42,365 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 267.0) internal successors, (3738), 14 states have internal predecessors, (3738), 0 states have call successors, (0), 0 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 05:28:42,366 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 267.0) internal successors, (3738), 14 states have internal predecessors, (3738), 0 states have call successors, (0), 0 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 05:28:42,366 INFO L175 Difference]: Start difference. First operand has 293 places, 199 transitions, 3627 flow. Second operand 13 states and 1523 transitions. [2023-09-01 05:28:42,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 267 transitions, 5115 flow [2023-09-01 05:28:42,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 267 transitions, 4977 flow, removed 22 selfloop flow, removed 10 redundant places. [2023-09-01 05:28:42,409 INFO L231 Difference]: Finished difference. Result has 303 places, 218 transitions, 3968 flow [2023-09-01 05:28:42,409 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=3520, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3968, PETRI_PLACES=303, PETRI_TRANSITIONS=218} [2023-09-01 05:28:42,409 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 265 predicate places. [2023-09-01 05:28:42,409 INFO L495 AbstractCegarLoop]: Abstraction has has 303 places, 218 transitions, 3968 flow [2023-09-01 05:28:42,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 113.23076923076923) internal successors, (1472), 13 states have internal predecessors, (1472), 0 states have call successors, (0), 0 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 05:28:42,410 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:28:42,410 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:28:42,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2023-09-01 05:28:42,410 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:28:42,410 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:28:42,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1947226919, now seen corresponding path program 10 times [2023-09-01 05:28:42,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:28:42,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678090950] [2023-09-01 05:28:42,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:28:42,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:28:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:28:43,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:28:43,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:28:43,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678090950] [2023-09-01 05:28:43,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678090950] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:28:43,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:28:43,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-09-01 05:28:43,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328384219] [2023-09-01 05:28:43,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:28:43,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-09-01 05:28:43,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:28:43,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-09-01 05:28:43,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-09-01 05:28:43,781 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 267 [2023-09-01 05:28:43,782 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 218 transitions, 3968 flow. Second operand has 14 states, 14 states have (on average 112.14285714285714) internal successors, (1570), 14 states have internal predecessors, (1570), 0 states have call successors, (0), 0 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 05:28:43,782 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:28:43,782 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 267 [2023-09-01 05:28:43,783 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:28:44,216 INFO L130 PetriNetUnfolder]: 300/943 cut-off events. [2023-09-01 05:28:44,216 INFO L131 PetriNetUnfolder]: For 12323/12323 co-relation queries the response was YES. [2023-09-01 05:28:44,222 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6779 conditions, 943 events. 300/943 cut-off events. For 12323/12323 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 6750 event pairs, 140 based on Foata normal form. 1/944 useless extension candidates. Maximal degree in co-relation 6709. Up to 465 conditions per place. [2023-09-01 05:28:44,224 INFO L137 encePairwiseOnDemand]: 256/267 looper letters, 156 selfloop transitions, 74 changer transitions 0/231 dead transitions. [2023-09-01 05:28:44,224 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 231 transitions, 4497 flow [2023-09-01 05:28:44,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-09-01 05:28:44,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-09-01 05:28:44,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1385 transitions. [2023-09-01 05:28:44,225 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4322721598002497 [2023-09-01 05:28:44,226 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1385 transitions. [2023-09-01 05:28:44,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1385 transitions. [2023-09-01 05:28:44,226 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:28:44,226 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1385 transitions. [2023-09-01 05:28:44,227 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 115.41666666666667) internal successors, (1385), 12 states have internal predecessors, (1385), 0 states have call successors, (0), 0 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 05:28:44,228 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 267.0) internal successors, (3471), 13 states have internal predecessors, (3471), 0 states have call successors, (0), 0 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 05:28:44,229 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 267.0) internal successors, (3471), 13 states have internal predecessors, (3471), 0 states have call successors, (0), 0 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 05:28:44,229 INFO L175 Difference]: Start difference. First operand has 303 places, 218 transitions, 3968 flow. Second operand 12 states and 1385 transitions. [2023-09-01 05:28:44,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 231 transitions, 4497 flow [2023-09-01 05:28:44,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 231 transitions, 4468 flow, removed 10 selfloop flow, removed 3 redundant places. [2023-09-01 05:28:44,268 INFO L231 Difference]: Finished difference. Result has 312 places, 219 transitions, 4106 flow [2023-09-01 05:28:44,268 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=3939, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=4106, PETRI_PLACES=312, PETRI_TRANSITIONS=219} [2023-09-01 05:28:44,268 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 274 predicate places. [2023-09-01 05:28:44,269 INFO L495 AbstractCegarLoop]: Abstraction has has 312 places, 219 transitions, 4106 flow [2023-09-01 05:28:44,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 112.14285714285714) internal successors, (1570), 14 states have internal predecessors, (1570), 0 states have call successors, (0), 0 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 05:28:44,269 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:28:44,269 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:28:44,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2023-09-01 05:28:44,269 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:28:44,269 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:28:44,270 INFO L85 PathProgramCache]: Analyzing trace with hash 2053882669, now seen corresponding path program 11 times [2023-09-01 05:28:44,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:28:44,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836120114] [2023-09-01 05:28:44,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:28:44,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:28:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:28:45,038 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 05:28:45,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:28:45,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836120114] [2023-09-01 05:28:45,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836120114] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:28:45,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:28:45,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-09-01 05:28:45,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155500004] [2023-09-01 05:28:45,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:28:45,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-09-01 05:28:45,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:28:45,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-09-01 05:28:45,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2023-09-01 05:28:45,636 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 267 [2023-09-01 05:28:45,637 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 219 transitions, 4106 flow. Second operand has 14 states, 14 states have (on average 112.14285714285714) internal successors, (1570), 14 states have internal predecessors, (1570), 0 states have call successors, (0), 0 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 05:28:45,637 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:28:45,637 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 267 [2023-09-01 05:28:45,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:28:46,327 INFO L130 PetriNetUnfolder]: 297/938 cut-off events. [2023-09-01 05:28:46,327 INFO L131 PetriNetUnfolder]: For 12632/12632 co-relation queries the response was YES. [2023-09-01 05:28:46,334 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6785 conditions, 938 events. 297/938 cut-off events. For 12632/12632 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 6758 event pairs, 102 based on Foata normal form. 3/941 useless extension candidates. Maximal degree in co-relation 6714. Up to 426 conditions per place. [2023-09-01 05:28:46,357 INFO L137 encePairwiseOnDemand]: 255/267 looper letters, 93 selfloop transitions, 142 changer transitions 0/236 dead transitions. [2023-09-01 05:28:46,357 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 236 transitions, 4730 flow [2023-09-01 05:28:46,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-01 05:28:46,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2023-09-01 05:28:46,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2169 transitions. [2023-09-01 05:28:46,359 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42755765819041985 [2023-09-01 05:28:46,359 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2169 transitions. [2023-09-01 05:28:46,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2169 transitions. [2023-09-01 05:28:46,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:28:46,360 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2169 transitions. [2023-09-01 05:28:46,363 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 114.15789473684211) internal successors, (2169), 19 states have internal predecessors, (2169), 0 states have call successors, (0), 0 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 05:28:46,365 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 267.0) internal successors, (5340), 20 states have internal predecessors, (5340), 0 states have call successors, (0), 0 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 05:28:46,366 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 267.0) internal successors, (5340), 20 states have internal predecessors, (5340), 0 states have call successors, (0), 0 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 05:28:46,366 INFO L175 Difference]: Start difference. First operand has 312 places, 219 transitions, 4106 flow. Second operand 19 states and 2169 transitions. [2023-09-01 05:28:46,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 236 transitions, 4730 flow [2023-09-01 05:28:46,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 236 transitions, 4592 flow, removed 2 selfloop flow, removed 9 redundant places. [2023-09-01 05:28:46,403 INFO L231 Difference]: Finished difference. Result has 323 places, 223 transitions, 4434 flow [2023-09-01 05:28:46,404 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=3968, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=4434, PETRI_PLACES=323, PETRI_TRANSITIONS=223} [2023-09-01 05:28:46,404 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 285 predicate places. [2023-09-01 05:28:46,404 INFO L495 AbstractCegarLoop]: Abstraction has has 323 places, 223 transitions, 4434 flow [2023-09-01 05:28:46,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 112.14285714285714) internal successors, (1570), 14 states have internal predecessors, (1570), 0 states have call successors, (0), 0 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 05:28:46,404 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:28:46,405 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:28:46,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2023-09-01 05:28:46,405 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:28:46,405 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:28:46,405 INFO L85 PathProgramCache]: Analyzing trace with hash 648673399, now seen corresponding path program 12 times [2023-09-01 05:28:46,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:28:46,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566376176] [2023-09-01 05:28:46,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:28:46,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:28:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:28:47,172 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 05:28:47,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:28:47,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566376176] [2023-09-01 05:28:47,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566376176] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:28:47,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:28:47,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-09-01 05:28:47,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898719643] [2023-09-01 05:28:47,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:28:47,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-09-01 05:28:47,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:28:47,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-09-01 05:28:47,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2023-09-01 05:28:47,830 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 267 [2023-09-01 05:28:47,831 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 223 transitions, 4434 flow. Second operand has 14 states, 14 states have (on average 112.14285714285714) internal successors, (1570), 14 states have internal predecessors, (1570), 0 states have call successors, (0), 0 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 05:28:47,831 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:28:47,831 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 267 [2023-09-01 05:28:47,831 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:28:48,375 INFO L130 PetriNetUnfolder]: 293/926 cut-off events. [2023-09-01 05:28:48,375 INFO L131 PetriNetUnfolder]: For 14164/14164 co-relation queries the response was YES. [2023-09-01 05:28:48,381 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6967 conditions, 926 events. 293/926 cut-off events. For 14164/14164 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 6619 event pairs, 62 based on Foata normal form. 4/930 useless extension candidates. Maximal degree in co-relation 6894. Up to 552 conditions per place. [2023-09-01 05:28:48,384 INFO L137 encePairwiseOnDemand]: 255/267 looper letters, 129 selfloop transitions, 102 changer transitions 0/232 dead transitions. [2023-09-01 05:28:48,384 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 232 transitions, 4943 flow [2023-09-01 05:28:48,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-01 05:28:48,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-09-01 05:28:48,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1603 transitions. [2023-09-01 05:28:48,385 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4288389513108614 [2023-09-01 05:28:48,386 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1603 transitions. [2023-09-01 05:28:48,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1603 transitions. [2023-09-01 05:28:48,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:28:48,386 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1603 transitions. [2023-09-01 05:28:48,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 114.5) internal successors, (1603), 14 states have internal predecessors, (1603), 0 states have call successors, (0), 0 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 05:28:48,389 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 267.0) internal successors, (4005), 15 states have internal predecessors, (4005), 0 states have call successors, (0), 0 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 05:28:48,389 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 267.0) internal successors, (4005), 15 states have internal predecessors, (4005), 0 states have call successors, (0), 0 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 05:28:48,389 INFO L175 Difference]: Start difference. First operand has 323 places, 223 transitions, 4434 flow. Second operand 14 states and 1603 transitions. [2023-09-01 05:28:48,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 232 transitions, 4943 flow [2023-09-01 05:28:48,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 232 transitions, 4786 flow, removed 6 selfloop flow, removed 15 redundant places. [2023-09-01 05:28:48,435 INFO L231 Difference]: Finished difference. Result has 322 places, 225 transitions, 4522 flow [2023-09-01 05:28:48,436 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=4281, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=4522, PETRI_PLACES=322, PETRI_TRANSITIONS=225} [2023-09-01 05:28:48,436 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 284 predicate places. [2023-09-01 05:28:48,436 INFO L495 AbstractCegarLoop]: Abstraction has has 322 places, 225 transitions, 4522 flow [2023-09-01 05:28:48,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 112.14285714285714) internal successors, (1570), 14 states have internal predecessors, (1570), 0 states have call successors, (0), 0 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 05:28:48,441 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:28:48,441 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:28:48,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2023-09-01 05:28:48,442 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:28:48,442 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:28:48,442 INFO L85 PathProgramCache]: Analyzing trace with hash 425565329, now seen corresponding path program 13 times [2023-09-01 05:28:48,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:28:48,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570720231] [2023-09-01 05:28:48,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:28:48,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:28:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:28:49,223 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 05:28:49,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:28:49,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570720231] [2023-09-01 05:28:49,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570720231] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:28:49,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:28:49,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-09-01 05:28:49,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126110052] [2023-09-01 05:28:49,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:28:49,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-09-01 05:28:49,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:28:49,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-09-01 05:28:49,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2023-09-01 05:28:49,909 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 267 [2023-09-01 05:28:49,910 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 225 transitions, 4522 flow. Second operand has 14 states, 14 states have (on average 112.14285714285714) internal successors, (1570), 14 states have internal predecessors, (1570), 0 states have call successors, (0), 0 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 05:28:49,910 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:28:49,910 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 267 [2023-09-01 05:28:49,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:28:50,757 INFO L130 PetriNetUnfolder]: 292/925 cut-off events. [2023-09-01 05:28:50,757 INFO L131 PetriNetUnfolder]: For 14479/14479 co-relation queries the response was YES. [2023-09-01 05:28:50,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7018 conditions, 925 events. 292/925 cut-off events. For 14479/14479 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 6601 event pairs, 69 based on Foata normal form. 1/926 useless extension candidates. Maximal degree in co-relation 6944. Up to 379 conditions per place. [2023-09-01 05:28:50,764 INFO L137 encePairwiseOnDemand]: 256/267 looper letters, 81 selfloop transitions, 154 changer transitions 0/236 dead transitions. [2023-09-01 05:28:50,764 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 236 transitions, 5082 flow [2023-09-01 05:28:50,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-01 05:28:50,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2023-09-01 05:28:50,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2162 transitions. [2023-09-01 05:28:50,766 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4261778040607136 [2023-09-01 05:28:50,766 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2162 transitions. [2023-09-01 05:28:50,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2162 transitions. [2023-09-01 05:28:50,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:28:50,766 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2162 transitions. [2023-09-01 05:28:50,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 113.78947368421052) internal successors, (2162), 19 states have internal predecessors, (2162), 0 states have call successors, (0), 0 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 05:28:50,770 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 267.0) internal successors, (5340), 20 states have internal predecessors, (5340), 0 states have call successors, (0), 0 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 05:28:50,770 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 267.0) internal successors, (5340), 20 states have internal predecessors, (5340), 0 states have call successors, (0), 0 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 05:28:50,770 INFO L175 Difference]: Start difference. First operand has 322 places, 225 transitions, 4522 flow. Second operand 19 states and 2162 transitions. [2023-09-01 05:28:50,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 236 transitions, 5082 flow [2023-09-01 05:28:50,812 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 329 places, 236 transitions, 4906 flow, removed 1 selfloop flow, removed 11 redundant places. [2023-09-01 05:28:50,815 INFO L231 Difference]: Finished difference. Result has 331 places, 227 transitions, 4819 flow [2023-09-01 05:28:50,816 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=4346, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=152, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=4819, PETRI_PLACES=331, PETRI_TRANSITIONS=227} [2023-09-01 05:28:50,816 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 293 predicate places. [2023-09-01 05:28:50,816 INFO L495 AbstractCegarLoop]: Abstraction has has 331 places, 227 transitions, 4819 flow [2023-09-01 05:28:50,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 112.14285714285714) internal successors, (1570), 14 states have internal predecessors, (1570), 0 states have call successors, (0), 0 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 05:28:50,817 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:28:50,817 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:28:50,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2023-09-01 05:28:50,817 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:28:50,817 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:28:50,817 INFO L85 PathProgramCache]: Analyzing trace with hash 841648449, now seen corresponding path program 14 times [2023-09-01 05:28:50,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:28:50,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561032036] [2023-09-01 05:28:50,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:28:50,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:28:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:28:51,574 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 05:28:51,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:28:51,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561032036] [2023-09-01 05:28:51,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561032036] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:28:51,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:28:51,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-09-01 05:28:51,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88270349] [2023-09-01 05:28:51,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:28:51,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-09-01 05:28:51,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:28:51,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-09-01 05:28:51,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2023-09-01 05:28:52,286 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 267 [2023-09-01 05:28:52,287 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 227 transitions, 4819 flow. Second operand has 14 states, 14 states have (on average 112.14285714285714) internal successors, (1570), 14 states have internal predecessors, (1570), 0 states have call successors, (0), 0 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 05:28:52,287 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:28:52,287 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 267 [2023-09-01 05:28:52,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:28:52,932 INFO L130 PetriNetUnfolder]: 291/922 cut-off events. [2023-09-01 05:28:52,933 INFO L131 PetriNetUnfolder]: For 16093/16093 co-relation queries the response was YES. [2023-09-01 05:28:52,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7257 conditions, 922 events. 291/922 cut-off events. For 16093/16093 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 6585 event pairs, 47 based on Foata normal form. 1/923 useless extension candidates. Maximal degree in co-relation 7181. Up to 518 conditions per place. [2023-09-01 05:28:52,943 INFO L137 encePairwiseOnDemand]: 256/267 looper letters, 122 selfloop transitions, 109 changer transitions 0/232 dead transitions. [2023-09-01 05:28:52,943 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 232 transitions, 5308 flow [2023-09-01 05:28:52,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-09-01 05:28:52,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-09-01 05:28:52,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1598 transitions. [2023-09-01 05:28:52,945 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4275013376136972 [2023-09-01 05:28:52,945 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1598 transitions. [2023-09-01 05:28:52,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1598 transitions. [2023-09-01 05:28:52,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:28:52,946 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1598 transitions. [2023-09-01 05:28:52,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 114.14285714285714) internal successors, (1598), 14 states have internal predecessors, (1598), 0 states have call successors, (0), 0 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 05:28:52,949 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 267.0) internal successors, (4005), 15 states have internal predecessors, (4005), 0 states have call successors, (0), 0 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 05:28:52,950 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 267.0) internal successors, (4005), 15 states have internal predecessors, (4005), 0 states have call successors, (0), 0 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 05:28:52,950 INFO L175 Difference]: Start difference. First operand has 331 places, 227 transitions, 4819 flow. Second operand 14 states and 1598 transitions. [2023-09-01 05:28:52,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 232 transitions, 5308 flow [2023-09-01 05:28:53,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 232 transitions, 5111 flow, removed 8 selfloop flow, removed 16 redundant places. [2023-09-01 05:28:53,012 INFO L231 Difference]: Finished difference. Result has 329 places, 228 transitions, 4872 flow [2023-09-01 05:28:53,012 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=4626, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=108, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=4872, PETRI_PLACES=329, PETRI_TRANSITIONS=228} [2023-09-01 05:28:53,012 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 291 predicate places. [2023-09-01 05:28:53,012 INFO L495 AbstractCegarLoop]: Abstraction has has 329 places, 228 transitions, 4872 flow [2023-09-01 05:28:53,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 112.14285714285714) internal successors, (1570), 14 states have internal predecessors, (1570), 0 states have call successors, (0), 0 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 05:28:53,013 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:28:53,013 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:28:53,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2023-09-01 05:28:53,013 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:28:53,013 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:28:53,014 INFO L85 PathProgramCache]: Analyzing trace with hash 748659860, now seen corresponding path program 1 times [2023-09-01 05:28:53,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:28:53,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384196312] [2023-09-01 05:28:53,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:28:53,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:28:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:28:53,335 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 05:28:53,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:28:53,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384196312] [2023-09-01 05:28:53,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384196312] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:28:53,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:28:53,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-09-01 05:28:53,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977459904] [2023-09-01 05:28:53,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:28:53,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-01 05:28:53,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:28:53,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-01 05:28:53,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-09-01 05:28:53,485 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 267 [2023-09-01 05:28:53,486 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 329 places, 228 transitions, 4872 flow. Second operand has 7 states, 7 states have (on average 120.42857142857143) internal successors, (843), 7 states have internal predecessors, (843), 0 states have call successors, (0), 0 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 05:28:53,486 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:28:53,486 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 267 [2023-09-01 05:28:53,486 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:28:53,766 INFO L130 PetriNetUnfolder]: 291/1034 cut-off events. [2023-09-01 05:28:53,766 INFO L131 PetriNetUnfolder]: For 19194/19194 co-relation queries the response was YES. [2023-09-01 05:28:53,771 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7525 conditions, 1034 events. 291/1034 cut-off events. For 19194/19194 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 8098 event pairs, 43 based on Foata normal form. 42/1076 useless extension candidates. Maximal degree in co-relation 7449. Up to 364 conditions per place. [2023-09-01 05:28:53,772 INFO L137 encePairwiseOnDemand]: 260/267 looper letters, 128 selfloop transitions, 47 changer transitions 62/238 dead transitions. [2023-09-01 05:28:53,772 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 238 transitions, 5373 flow [2023-09-01 05:28:53,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-01 05:28:53,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-09-01 05:28:53,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 869 transitions. [2023-09-01 05:28:53,773 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4649545211342964 [2023-09-01 05:28:53,774 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 869 transitions. [2023-09-01 05:28:53,774 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 869 transitions. [2023-09-01 05:28:53,774 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:28:53,774 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 869 transitions. [2023-09-01 05:28:53,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 124.14285714285714) internal successors, (869), 7 states have internal predecessors, (869), 0 states have call successors, (0), 0 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 05:28:53,775 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 267.0) internal successors, (2136), 8 states have internal predecessors, (2136), 0 states have call successors, (0), 0 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 05:28:53,776 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 267.0) internal successors, (2136), 8 states have internal predecessors, (2136), 0 states have call successors, (0), 0 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 05:28:53,776 INFO L175 Difference]: Start difference. First operand has 329 places, 228 transitions, 4872 flow. Second operand 7 states and 869 transitions. [2023-09-01 05:28:53,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 238 transitions, 5373 flow [2023-09-01 05:28:53,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 238 transitions, 5187 flow, removed 1 selfloop flow, removed 11 redundant places. [2023-09-01 05:28:53,826 INFO L231 Difference]: Finished difference. Result has 326 places, 171 transitions, 3313 flow [2023-09-01 05:28:53,827 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=4686, PETRI_DIFFERENCE_MINUEND_PLACES=318, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3313, PETRI_PLACES=326, PETRI_TRANSITIONS=171} [2023-09-01 05:28:53,827 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 288 predicate places. [2023-09-01 05:28:53,827 INFO L495 AbstractCegarLoop]: Abstraction has has 326 places, 171 transitions, 3313 flow [2023-09-01 05:28:53,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 120.42857142857143) internal successors, (843), 7 states have internal predecessors, (843), 0 states have call successors, (0), 0 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 05:28:53,827 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:28:53,828 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:28:53,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2023-09-01 05:28:53,828 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:28:53,828 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:28:53,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1420322758, now seen corresponding path program 2 times [2023-09-01 05:28:53,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:28:53,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803689688] [2023-09-01 05:28:53,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:28:53,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:28:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:28:54,255 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 05:28:54,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:28:54,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803689688] [2023-09-01 05:28:54,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803689688] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:28:54,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:28:54,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-01 05:28:54,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128346681] [2023-09-01 05:28:54,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:28:54,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-09-01 05:28:54,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:28:54,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-09-01 05:28:54,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-09-01 05:28:54,465 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 267 [2023-09-01 05:28:54,465 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 171 transitions, 3313 flow. Second operand has 8 states, 8 states have (on average 119.125) internal successors, (953), 8 states have internal predecessors, (953), 0 states have call successors, (0), 0 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 05:28:54,465 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:28:54,465 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 267 [2023-09-01 05:28:54,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:28:54,673 INFO L130 PetriNetUnfolder]: 130/691 cut-off events. [2023-09-01 05:28:54,674 INFO L131 PetriNetUnfolder]: For 12655/12655 co-relation queries the response was YES. [2023-09-01 05:28:54,677 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4831 conditions, 691 events. 130/691 cut-off events. For 12655/12655 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 5600 event pairs, 15 based on Foata normal form. 42/733 useless extension candidates. Maximal degree in co-relation 4753. Up to 265 conditions per place. [2023-09-01 05:28:54,678 INFO L137 encePairwiseOnDemand]: 258/267 looper letters, 64 selfloop transitions, 29 changer transitions 81/175 dead transitions. [2023-09-01 05:28:54,678 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 175 transitions, 3459 flow [2023-09-01 05:28:54,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-01 05:28:54,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-09-01 05:28:54,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1094 transitions. [2023-09-01 05:28:54,679 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.455264253017062 [2023-09-01 05:28:54,679 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1094 transitions. [2023-09-01 05:28:54,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1094 transitions. [2023-09-01 05:28:54,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:28:54,679 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1094 transitions. [2023-09-01 05:28:54,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 121.55555555555556) internal successors, (1094), 9 states have internal predecessors, (1094), 0 states have call successors, (0), 0 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 05:28:54,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 267.0) internal successors, (2670), 10 states have internal predecessors, (2670), 0 states have call successors, (0), 0 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 05:28:54,682 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 267.0) internal successors, (2670), 10 states have internal predecessors, (2670), 0 states have call successors, (0), 0 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 05:28:54,682 INFO L175 Difference]: Start difference. First operand has 326 places, 171 transitions, 3313 flow. Second operand 9 states and 1094 transitions. [2023-09-01 05:28:54,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 175 transitions, 3459 flow [2023-09-01 05:28:54,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 175 transitions, 2984 flow, removed 2 selfloop flow, removed 35 redundant places. [2023-09-01 05:28:54,708 INFO L231 Difference]: Finished difference. Result has 285 places, 88 transitions, 1342 flow [2023-09-01 05:28:54,709 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=2503, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1342, PETRI_PLACES=285, PETRI_TRANSITIONS=88} [2023-09-01 05:28:54,709 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 247 predicate places. [2023-09-01 05:28:54,709 INFO L495 AbstractCegarLoop]: Abstraction has has 285 places, 88 transitions, 1342 flow [2023-09-01 05:28:54,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 119.125) internal successors, (953), 8 states have internal predecessors, (953), 0 states have call successors, (0), 0 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 05:28:54,709 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 05:28:54,710 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-01 05:28:54,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2023-09-01 05:28:54,710 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-09-01 05:28:54,710 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 05:28:54,710 INFO L85 PathProgramCache]: Analyzing trace with hash -571750764, now seen corresponding path program 3 times [2023-09-01 05:28:54,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 05:28:54,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995485662] [2023-09-01 05:28:54,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 05:28:54,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 05:28:54,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 05:28:54,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 05:28:54,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 05:28:54,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995485662] [2023-09-01 05:28:54,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995485662] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 05:28:54,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 05:28:54,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-09-01 05:28:54,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583137632] [2023-09-01 05:28:54,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 05:28:54,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-01 05:28:55,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 05:28:55,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-01 05:28:55,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-09-01 05:28:55,205 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 267 [2023-09-01 05:28:55,206 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 88 transitions, 1342 flow. Second operand has 7 states, 7 states have (on average 120.42857142857143) internal successors, (843), 7 states have internal predecessors, (843), 0 states have call successors, (0), 0 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 05:28:55,206 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 05:28:55,206 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 267 [2023-09-01 05:28:55,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 05:28:55,336 INFO L130 PetriNetUnfolder]: 54/258 cut-off events. [2023-09-01 05:28:55,336 INFO L131 PetriNetUnfolder]: For 2850/2850 co-relation queries the response was YES. [2023-09-01 05:28:55,344 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1761 conditions, 258 events. 54/258 cut-off events. For 2850/2850 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1361 event pairs, 8 based on Foata normal form. 42/300 useless extension candidates. Maximal degree in co-relation 1692. Up to 84 conditions per place. [2023-09-01 05:28:55,345 INFO L137 encePairwiseOnDemand]: 261/267 looper letters, 0 selfloop transitions, 0 changer transitions 85/85 dead transitions. [2023-09-01 05:28:55,345 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 85 transitions, 1414 flow [2023-09-01 05:28:55,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-01 05:28:55,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-09-01 05:28:55,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 852 transitions. [2023-09-01 05:28:55,346 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45585874799357945 [2023-09-01 05:28:55,346 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 852 transitions. [2023-09-01 05:28:55,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 852 transitions. [2023-09-01 05:28:55,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 05:28:55,347 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 852 transitions. [2023-09-01 05:28:55,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 121.71428571428571) internal successors, (852), 7 states have internal predecessors, (852), 0 states have call successors, (0), 0 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 05:28:55,348 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 267.0) internal successors, (2136), 8 states have internal predecessors, (2136), 0 states have call successors, (0), 0 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 05:28:55,348 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 267.0) internal successors, (2136), 8 states have internal predecessors, (2136), 0 states have call successors, (0), 0 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 05:28:55,349 INFO L175 Difference]: Start difference. First operand has 285 places, 88 transitions, 1342 flow. Second operand 7 states and 852 transitions. [2023-09-01 05:28:55,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 85 transitions, 1414 flow [2023-09-01 05:28:55,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 85 transitions, 1034 flow, removed 5 selfloop flow, removed 51 redundant places. [2023-09-01 05:28:55,354 INFO L231 Difference]: Finished difference. Result has 168 places, 0 transitions, 0 flow [2023-09-01 05:28:55,355 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=862, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=168, PETRI_TRANSITIONS=0} [2023-09-01 05:28:55,355 INFO L281 CegarLoopForPetriNet]: 38 programPoint places, 130 predicate places. [2023-09-01 05:28:55,355 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 0 transitions, 0 flow [2023-09-01 05:28:55,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 120.42857142857143) internal successors, (843), 7 states have internal predecessors, (843), 0 states have call successors, (0), 0 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 05:28:55,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2023-09-01 05:28:55,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2023-09-01 05:28:55,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-09-01 05:28:55,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-09-01 05:28:55,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-09-01 05:28:55,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-09-01 05:28:55,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-09-01 05:28:55,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-09-01 05:28:55,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2023-09-01 05:28:55,359 INFO L445 BasicCegarLoop]: Path program histogram: [16, 14, 6, 4, 4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2023-09-01 05:28:55,362 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-01 05:28:55,362 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-01 05:28:55,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.09 05:28:55 BasicIcfg [2023-09-01 05:28:55,364 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-01 05:28:55,365 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-09-01 05:28:55,365 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-09-01 05:28:55,365 INFO L275 PluginConnector]: Witness Printer initialized [2023-09-01 05:28:55,365 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:27:03" (3/4) ... [2023-09-01 05:28:55,367 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-09-01 05:28:55,370 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2023-09-01 05:28:55,374 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2023-09-01 05:28:55,374 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-09-01 05:28:55,374 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-09-01 05:28:55,374 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-09-01 05:28:55,399 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-09-01 05:28:55,399 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-09-01 05:28:55,400 INFO L158 Benchmark]: Toolchain (without parser) took 113437.95ms. Allocated memory was 81.8MB in the beginning and 1.0GB in the end (delta: 954.2MB). Free memory was 55.7MB in the beginning and 984.1MB in the end (delta: -928.4MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2023-09-01 05:28:55,400 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-09-01 05:28:55,400 INFO L158 Benchmark]: CACSL2BoogieTranslator took 620.35ms. Allocated memory is still 81.8MB. Free memory was 55.7MB in the beginning and 49.6MB in the end (delta: 6.1MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2023-09-01 05:28:55,400 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.61ms. Allocated memory is still 81.8MB. Free memory was 49.6MB in the beginning and 46.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-09-01 05:28:55,400 INFO L158 Benchmark]: Boogie Preprocessor took 61.09ms. Allocated memory is still 81.8MB. Free memory was 46.6MB in the beginning and 43.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-09-01 05:28:55,401 INFO L158 Benchmark]: RCFGBuilder took 629.57ms. Allocated memory is still 81.8MB. Free memory was 43.4MB in the beginning and 41.2MB in the end (delta: 2.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-09-01 05:28:55,401 INFO L158 Benchmark]: TraceAbstraction took 112015.95ms. Allocated memory was 81.8MB in the beginning and 1.0GB in the end (delta: 954.2MB). Free memory was 40.7MB in the beginning and 988.3MB in the end (delta: -947.6MB). Peak memory consumption was 615.4MB. Max. memory is 16.1GB. [2023-09-01 05:28:55,401 INFO L158 Benchmark]: Witness Printer took 34.49ms. Allocated memory is still 1.0GB. Free memory was 988.3MB in the beginning and 984.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-09-01 05:28:55,402 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 620.35ms. Allocated memory is still 81.8MB. Free memory was 55.7MB in the beginning and 49.6MB in the end (delta: 6.1MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.61ms. Allocated memory is still 81.8MB. Free memory was 49.6MB in the beginning and 46.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.09ms. Allocated memory is still 81.8MB. Free memory was 46.6MB in the beginning and 43.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 629.57ms. Allocated memory is still 81.8MB. Free memory was 43.4MB in the beginning and 41.2MB in the end (delta: 2.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 112015.95ms. Allocated memory was 81.8MB in the beginning and 1.0GB in the end (delta: 954.2MB). Free memory was 40.7MB in the beginning and 988.3MB in the end (delta: -947.6MB). Peak memory consumption was 615.4MB. Max. memory is 16.1GB. * Witness Printer took 34.49ms. Allocated memory is still 1.0GB. Free memory was 988.3MB in the beginning and 984.1MB 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: 4.8s, 132 PlacesBefore, 38 PlacesAfterwards, 127 TransitionsBefore, 32 TransitionsAfterwards, 3360 CoEnabledTransitionPairs, 7 FixpointIterations, 39 TrivialSequentialCompositions, 59 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 1 ChoiceCompositions, 110 TotalNumberOfCompositions, 9058 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3470, independent: 3133, independent conditional: 0, independent unconditional: 3133, dependent: 337, dependent conditional: 0, dependent unconditional: 337, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1904, independent: 1846, independent conditional: 0, independent unconditional: 1846, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3470, independent: 1287, independent conditional: 0, independent unconditional: 1287, dependent: 279, dependent conditional: 0, dependent unconditional: 279, unknown: 1904, unknown conditional: 0, unknown unconditional: 1904] , Statistics on independence cache: Total cache size (in pairs): 110, Positive cache size: 78, Positive conditional cache size: 0, Positive unconditional cache size: 78, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 1700]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1700]: 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, 169 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: 111.9s, OverallIterations: 68, TraceHistogramMax: 1, PathProgramHistogramMax: 16, EmptinessCheckTime: 0.0s, AutomataDifference: 67.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21004 SdHoareTripleChecker+Valid, 44.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17609 mSDsluCounter, 19566 SdHoareTripleChecker+Invalid, 37.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19383 mSDsCounter, 2595 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 92730 IncrementalHoareTripleChecker+Invalid, 95325 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2595 mSolverCounterUnsat, 183 mSDtfsCounter, 92730 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1283 GetRequests, 110 SyntacticMatches, 4 SemanticMatches, 1169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3011 ImplicationChecksByTransitivity, 18.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4872occurred in iteration=65, InterpolantAutomatonStates: 879, 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, 0.8s SatisfiabilityAnalysisTime, 37.7s InterpolantComputationTime, 903 NumberOfCodeBlocks, 903 NumberOfCodeBlocksAsserted, 68 NumberOfCheckSat, 835 ConstructedInterpolants, 0 QuantifiedInterpolants, 16089 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 68 InterpolantComputations, 68 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 05:28:55,416 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