./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fddded73cca9ade55587111b2e2c843e75dd81397929514bda88fadfc663c7db --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 08:50:21,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 08:50:21,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 08:50:22,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 08:50:22,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 08:50:22,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 08:50:22,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 08:50:22,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 08:50:22,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 08:50:22,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 08:50:22,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 08:50:22,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 08:50:22,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 08:50:22,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 08:50:22,040 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 08:50:22,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 08:50:22,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 08:50:22,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 08:50:22,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 08:50:22,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 08:50:22,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 08:50:22,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 08:50:22,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 08:50:22,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 08:50:22,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 08:50:22,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 08:50:22,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 08:50:22,064 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 08:50:22,065 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 08:50:22,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 08:50:22,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 08:50:22,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 08:50:22,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 08:50:22,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 08:50:22,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 08:50:22,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 08:50:22,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 08:50:22,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 08:50:22,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 08:50:22,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 08:50:22,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 08:50:22,076 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 08:50:22,123 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 08:50:22,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 08:50:22,124 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 08:50:22,125 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 08:50:22,125 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 08:50:22,126 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 08:50:22,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 08:50:22,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 08:50:22,127 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 08:50:22,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 08:50:22,128 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 08:50:22,128 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 08:50:22,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 08:50:22,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 08:50:22,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 08:50:22,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 08:50:22,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 08:50:22,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 08:50:22,129 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 08:50:22,129 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 08:50:22,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 08:50:22,129 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 08:50:22,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 08:50:22,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 08:50:22,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 08:50:22,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 08:50:22,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 08:50:22,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 08:50:22,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 08:50:22,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 08:50:22,131 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 08:50:22,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 08:50:22,132 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 08:50:22,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 08:50:22,132 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 08:50:22,132 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 08:50:22,132 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 08:50:22,133 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fddded73cca9ade55587111b2e2c843e75dd81397929514bda88fadfc663c7db Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-30 08:50:22,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 08:50:22,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 08:50:22,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 08:50:22,474 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 08:50:22,474 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 08:50:22,476 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2023-08-30 08:50:23,716 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 08:50:24,092 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 08:50:24,092 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2023-08-30 08:50:24,119 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06154ffee/97241a2a96e94af7890fb50bc1b8275e/FLAGa4347c73e [2023-08-30 08:50:24,138 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06154ffee/97241a2a96e94af7890fb50bc1b8275e [2023-08-30 08:50:24,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 08:50:24,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 08:50:24,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 08:50:24,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 08:50:24,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 08:50:24,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 08:50:24" (1/1) ... [2023-08-30 08:50:24,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5597d48b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:50:24, skipping insertion in model container [2023-08-30 08:50:24,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 08:50:24" (1/1) ... [2023-08-30 08:50:24,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 08:50:24,206 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 08:50:24,748 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i[76077,76090] [2023-08-30 08:50:24,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 08:50:24,801 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 08:50:24,847 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i[76077,76090] [2023-08-30 08:50:24,859 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 08:50:24,989 INFO L208 MainTranslator]: Completed translation [2023-08-30 08:50:24,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:50:24 WrapperNode [2023-08-30 08:50:24,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 08:50:24,991 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 08:50:24,991 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 08:50:24,991 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 08:50:24,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:50:24" (1/1) ... [2023-08-30 08:50:25,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:50:24" (1/1) ... [2023-08-30 08:50:25,081 INFO L138 Inliner]: procedures = 482, calls = 46, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 134 [2023-08-30 08:50:25,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 08:50:25,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 08:50:25,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 08:50:25,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 08:50:25,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:50:24" (1/1) ... [2023-08-30 08:50:25,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:50:24" (1/1) ... [2023-08-30 08:50:25,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:50:24" (1/1) ... [2023-08-30 08:50:25,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:50:24" (1/1) ... [2023-08-30 08:50:25,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:50:24" (1/1) ... [2023-08-30 08:50:25,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:50:24" (1/1) ... [2023-08-30 08:50:25,143 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:50:24" (1/1) ... [2023-08-30 08:50:25,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:50:24" (1/1) ... [2023-08-30 08:50:25,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 08:50:25,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 08:50:25,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 08:50:25,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 08:50:25,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:50:24" (1/1) ... [2023-08-30 08:50:25,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 08:50:25,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 08:50:25,203 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 08:50:25,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 08:50:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 08:50:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 08:50:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 08:50:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 08:50:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 08:50:25,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 08:50:25,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 08:50:25,237 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-08-30 08:50:25,237 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-08-30 08:50:25,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 08:50:25,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 08:50:25,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 08:50:25,239 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 08:50:25,549 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 08:50:25,552 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 08:50:25,815 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 08:50:25,827 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 08:50:25,827 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 08:50:25,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 08:50:25 BoogieIcfgContainer [2023-08-30 08:50:25,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 08:50:25,832 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 08:50:25,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 08:50:25,834 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 08:50:25,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 08:50:24" (1/3) ... [2023-08-30 08:50:25,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a36b449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 08:50:25, skipping insertion in model container [2023-08-30 08:50:25,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:50:24" (2/3) ... [2023-08-30 08:50:25,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a36b449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 08:50:25, skipping insertion in model container [2023-08-30 08:50:25,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 08:50:25" (3/3) ... [2023-08-30 08:50:25,839 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2023-08-30 08:50:25,848 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 08:50:25,856 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 08:50:25,856 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-08-30 08:50:25,856 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 08:50:25,957 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 08:50:25,999 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 175 places, 177 transitions, 370 flow [2023-08-30 08:50:26,093 INFO L130 PetriNetUnfolder]: 10/213 cut-off events. [2023-08-30 08:50:26,094 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 08:50:26,099 INFO L83 FinitePrefix]: Finished finitePrefix Result has 222 conditions, 213 events. 10/213 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 378 event pairs, 0 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 125. Up to 4 conditions per place. [2023-08-30 08:50:26,099 INFO L82 GeneralOperation]: Start removeDead. Operand has 175 places, 177 transitions, 370 flow [2023-08-30 08:50:26,107 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 150 places, 147 transitions, 303 flow [2023-08-30 08:50:26,111 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 08:50:26,131 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 150 places, 147 transitions, 303 flow [2023-08-30 08:50:26,138 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 150 places, 147 transitions, 303 flow [2023-08-30 08:50:26,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 150 places, 147 transitions, 303 flow [2023-08-30 08:50:26,177 INFO L130 PetriNetUnfolder]: 4/147 cut-off events. [2023-08-30 08:50:26,177 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-30 08:50:26,179 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 147 events. 4/147 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 177 event pairs, 0 based on Foata normal form. 0/138 useless extension candidates. Maximal degree in co-relation 85. Up to 2 conditions per place. [2023-08-30 08:50:26,181 INFO L119 LiptonReduction]: Number of co-enabled transitions 3996 [2023-08-30 08:50:34,283 INFO L134 LiptonReduction]: Checked pairs total: 8740 [2023-08-30 08:50:34,283 INFO L136 LiptonReduction]: Total number of compositions: 148 [2023-08-30 08:50:34,302 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 08:50:34,307 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;@385dc353, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 08:50:34,308 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-08-30 08:50:34,312 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2023-08-30 08:50:34,313 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 08:50:34,313 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:34,314 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-30 08:50:34,314 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:50:34,318 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:34,319 INFO L85 PathProgramCache]: Analyzing trace with hash 555665798, now seen corresponding path program 1 times [2023-08-30 08:50:34,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:34,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834260085] [2023-08-30 08:50:34,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:34,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:35,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:50:35,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:35,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834260085] [2023-08-30 08:50:35,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834260085] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:35,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:35,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-30 08:50:35,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400705800] [2023-08-30 08:50:35,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:35,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-30 08:50:35,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:35,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-30 08:50:35,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-08-30 08:50:35,445 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 325 [2023-08-30 08:50:35,448 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 27 transitions, 63 flow. Second operand has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:35,448 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:35,449 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 325 [2023-08-30 08:50:35,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:35,597 INFO L130 PetriNetUnfolder]: 194/361 cut-off events. [2023-08-30 08:50:35,598 INFO L131 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2023-08-30 08:50:35,599 INFO L83 FinitePrefix]: Finished finitePrefix Result has 752 conditions, 361 events. 194/361 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1322 event pairs, 173 based on Foata normal form. 0/289 useless extension candidates. Maximal degree in co-relation 644. Up to 357 conditions per place. [2023-08-30 08:50:35,601 INFO L137 encePairwiseOnDemand]: 316/325 looper letters, 21 selfloop transitions, 8 changer transitions 0/29 dead transitions. [2023-08-30 08:50:35,601 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 29 transitions, 125 flow [2023-08-30 08:50:35,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-30 08:50:35,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-30 08:50:35,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 914 transitions. [2023-08-30 08:50:35,617 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4687179487179487 [2023-08-30 08:50:35,618 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 914 transitions. [2023-08-30 08:50:35,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 914 transitions. [2023-08-30 08:50:35,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:35,622 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 914 transitions. [2023-08-30 08:50:35,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 152.33333333333334) internal successors, (914), 6 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:35,633 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 325.0) internal successors, (2275), 7 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:35,634 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 325.0) internal successors, (2275), 7 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:35,636 INFO L175 Difference]: Start difference. First operand has 33 places, 27 transitions, 63 flow. Second operand 6 states and 914 transitions. [2023-08-30 08:50:35,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 29 transitions, 125 flow [2023-08-30 08:50:35,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 29 transitions, 120 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-30 08:50:35,640 INFO L231 Difference]: Finished difference. Result has 34 places, 28 transitions, 97 flow [2023-08-30 08:50:35,641 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=97, PETRI_PLACES=34, PETRI_TRANSITIONS=28} [2023-08-30 08:50:35,644 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 1 predicate places. [2023-08-30 08:50:35,645 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 28 transitions, 97 flow [2023-08-30 08:50:35,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:35,646 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:35,646 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-30 08:50:35,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 08:50:35,646 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:50:35,647 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:35,647 INFO L85 PathProgramCache]: Analyzing trace with hash 45839813, now seen corresponding path program 1 times [2023-08-30 08:50:35,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:35,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040006281] [2023-08-30 08:50:35,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:35,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:36,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:50:36,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:36,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040006281] [2023-08-30 08:50:36,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040006281] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:36,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:36,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-30 08:50:36,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866889499] [2023-08-30 08:50:36,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:36,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-30 08:50:36,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:36,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-30 08:50:36,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-30 08:50:36,371 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 325 [2023-08-30 08:50:36,372 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 28 transitions, 97 flow. Second operand has 6 states, 6 states have (on average 147.0) internal successors, (882), 6 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:36,372 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:36,372 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 325 [2023-08-30 08:50:36,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:36,545 INFO L130 PetriNetUnfolder]: 180/337 cut-off events. [2023-08-30 08:50:36,545 INFO L131 PetriNetUnfolder]: For 60/60 co-relation queries the response was YES. [2023-08-30 08:50:36,547 INFO L83 FinitePrefix]: Finished finitePrefix Result has 786 conditions, 337 events. 180/337 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1255 event pairs, 51 based on Foata normal form. 5/292 useless extension candidates. Maximal degree in co-relation 735. Up to 294 conditions per place. [2023-08-30 08:50:36,548 INFO L137 encePairwiseOnDemand]: 317/325 looper letters, 33 selfloop transitions, 11 changer transitions 0/44 dead transitions. [2023-08-30 08:50:36,549 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 44 transitions, 229 flow [2023-08-30 08:50:36,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-30 08:50:36,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-30 08:50:36,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 919 transitions. [2023-08-30 08:50:36,552 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4712820512820513 [2023-08-30 08:50:36,552 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 919 transitions. [2023-08-30 08:50:36,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 919 transitions. [2023-08-30 08:50:36,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:36,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 919 transitions. [2023-08-30 08:50:36,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 153.16666666666666) internal successors, (919), 6 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:36,558 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 325.0) internal successors, (2275), 7 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:36,559 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 325.0) internal successors, (2275), 7 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:36,559 INFO L175 Difference]: Start difference. First operand has 34 places, 28 transitions, 97 flow. Second operand 6 states and 919 transitions. [2023-08-30 08:50:36,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 44 transitions, 229 flow [2023-08-30 08:50:36,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 44 transitions, 227 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-30 08:50:36,567 INFO L231 Difference]: Finished difference. Result has 41 places, 34 transitions, 161 flow [2023-08-30 08:50:36,567 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=161, PETRI_PLACES=41, PETRI_TRANSITIONS=34} [2023-08-30 08:50:36,568 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 8 predicate places. [2023-08-30 08:50:36,568 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 34 transitions, 161 flow [2023-08-30 08:50:36,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 147.0) internal successors, (882), 6 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:36,569 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:36,570 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:36,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-30 08:50:36,581 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:50:36,583 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:36,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1429425056, now seen corresponding path program 1 times [2023-08-30 08:50:36,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:36,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320201493] [2023-08-30 08:50:36,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:36,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:37,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:50:37,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:37,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320201493] [2023-08-30 08:50:37,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320201493] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:37,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:37,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-30 08:50:37,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142480059] [2023-08-30 08:50:37,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:37,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-30 08:50:37,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:37,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-30 08:50:37,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-30 08:50:37,244 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 325 [2023-08-30 08:50:37,245 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 34 transitions, 161 flow. Second operand has 6 states, 6 states have (on average 147.16666666666666) internal successors, (883), 6 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:37,245 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:37,245 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 325 [2023-08-30 08:50:37,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:37,382 INFO L130 PetriNetUnfolder]: 168/317 cut-off events. [2023-08-30 08:50:37,383 INFO L131 PetriNetUnfolder]: For 180/180 co-relation queries the response was YES. [2023-08-30 08:50:37,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 854 conditions, 317 events. 168/317 cut-off events. For 180/180 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1136 event pairs, 62 based on Foata normal form. 0/275 useless extension candidates. Maximal degree in co-relation 792. Up to 282 conditions per place. [2023-08-30 08:50:37,385 INFO L137 encePairwiseOnDemand]: 317/325 looper letters, 36 selfloop transitions, 11 changer transitions 0/47 dead transitions. [2023-08-30 08:50:37,385 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 47 transitions, 315 flow [2023-08-30 08:50:37,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-30 08:50:37,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-30 08:50:37,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 917 transitions. [2023-08-30 08:50:37,388 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47025641025641024 [2023-08-30 08:50:37,388 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 917 transitions. [2023-08-30 08:50:37,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 917 transitions. [2023-08-30 08:50:37,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:37,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 917 transitions. [2023-08-30 08:50:37,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 152.83333333333334) internal successors, (917), 6 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:37,394 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 325.0) internal successors, (2275), 7 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:37,395 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 325.0) internal successors, (2275), 7 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:37,396 INFO L175 Difference]: Start difference. First operand has 41 places, 34 transitions, 161 flow. Second operand 6 states and 917 transitions. [2023-08-30 08:50:37,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 47 transitions, 315 flow [2023-08-30 08:50:37,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 47 transitions, 299 flow, removed 7 selfloop flow, removed 1 redundant places. [2023-08-30 08:50:37,399 INFO L231 Difference]: Finished difference. Result has 48 places, 40 transitions, 222 flow [2023-08-30 08:50:37,399 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=149, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=222, PETRI_PLACES=48, PETRI_TRANSITIONS=40} [2023-08-30 08:50:37,399 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 15 predicate places. [2023-08-30 08:50:37,400 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 40 transitions, 222 flow [2023-08-30 08:50:37,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 147.16666666666666) internal successors, (883), 6 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:37,401 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:37,401 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:37,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-30 08:50:37,401 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:50:37,402 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:37,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1950690911, now seen corresponding path program 1 times [2023-08-30 08:50:37,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:37,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677367758] [2023-08-30 08:50:37,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:37,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:38,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:50:38,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:38,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677367758] [2023-08-30 08:50:38,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677367758] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:38,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:38,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-30 08:50:38,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719729125] [2023-08-30 08:50:38,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:38,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-30 08:50:38,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:38,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-30 08:50:38,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-08-30 08:50:38,318 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 325 [2023-08-30 08:50:38,320 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 40 transitions, 222 flow. Second operand has 9 states, 9 states have (on average 145.0) internal successors, (1305), 9 states have internal predecessors, (1305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:38,320 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:38,320 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 325 [2023-08-30 08:50:38,321 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:38,617 INFO L130 PetriNetUnfolder]: 216/397 cut-off events. [2023-08-30 08:50:38,617 INFO L131 PetriNetUnfolder]: For 217/217 co-relation queries the response was YES. [2023-08-30 08:50:38,618 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1160 conditions, 397 events. 216/397 cut-off events. For 217/217 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1520 event pairs, 51 based on Foata normal form. 8/374 useless extension candidates. Maximal degree in co-relation 1092. Up to 292 conditions per place. [2023-08-30 08:50:38,620 INFO L137 encePairwiseOnDemand]: 315/325 looper letters, 48 selfloop transitions, 18 changer transitions 0/66 dead transitions. [2023-08-30 08:50:38,620 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 66 transitions, 478 flow [2023-08-30 08:50:38,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-30 08:50:38,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-30 08:50:38,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1060 transitions. [2023-08-30 08:50:38,623 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46593406593406594 [2023-08-30 08:50:38,623 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1060 transitions. [2023-08-30 08:50:38,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1060 transitions. [2023-08-30 08:50:38,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:38,624 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1060 transitions. [2023-08-30 08:50:38,626 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 151.42857142857142) internal successors, (1060), 7 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:38,629 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 325.0) internal successors, (2600), 8 states have internal predecessors, (2600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:38,630 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 325.0) internal successors, (2600), 8 states have internal predecessors, (2600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:38,630 INFO L175 Difference]: Start difference. First operand has 48 places, 40 transitions, 222 flow. Second operand 7 states and 1060 transitions. [2023-08-30 08:50:38,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 66 transitions, 478 flow [2023-08-30 08:50:38,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 66 transitions, 455 flow, removed 6 selfloop flow, removed 1 redundant places. [2023-08-30 08:50:38,634 INFO L231 Difference]: Finished difference. Result has 56 places, 51 transitions, 348 flow [2023-08-30 08:50:38,634 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=209, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=348, PETRI_PLACES=56, PETRI_TRANSITIONS=51} [2023-08-30 08:50:38,635 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 23 predicate places. [2023-08-30 08:50:38,635 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 51 transitions, 348 flow [2023-08-30 08:50:38,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 145.0) internal successors, (1305), 9 states have internal predecessors, (1305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:38,636 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:38,636 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:38,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-30 08:50:38,636 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:50:38,637 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:38,637 INFO L85 PathProgramCache]: Analyzing trace with hash -707811565, now seen corresponding path program 2 times [2023-08-30 08:50:38,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:38,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633209994] [2023-08-30 08:50:38,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:38,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:39,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:50:39,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:39,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633209994] [2023-08-30 08:50:39,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633209994] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:39,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:39,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-30 08:50:39,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920810566] [2023-08-30 08:50:39,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:39,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-30 08:50:39,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:39,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-30 08:50:39,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-08-30 08:50:39,604 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 325 [2023-08-30 08:50:39,606 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 51 transitions, 348 flow. Second operand has 9 states, 9 states have (on average 145.0) internal successors, (1305), 9 states have internal predecessors, (1305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:39,606 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:39,606 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 325 [2023-08-30 08:50:39,606 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:40,179 INFO L130 PetriNetUnfolder]: 276/498 cut-off events. [2023-08-30 08:50:40,179 INFO L131 PetriNetUnfolder]: For 541/541 co-relation queries the response was YES. [2023-08-30 08:50:40,181 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1667 conditions, 498 events. 276/498 cut-off events. For 541/541 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1996 event pairs, 69 based on Foata normal form. 8/471 useless extension candidates. Maximal degree in co-relation 1425. Up to 359 conditions per place. [2023-08-30 08:50:40,184 INFO L137 encePairwiseOnDemand]: 313/325 looper letters, 49 selfloop transitions, 43 changer transitions 0/92 dead transitions. [2023-08-30 08:50:40,184 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 92 transitions, 776 flow [2023-08-30 08:50:40,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-30 08:50:40,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-30 08:50:40,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2088 transitions. [2023-08-30 08:50:40,189 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4589010989010989 [2023-08-30 08:50:40,190 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2088 transitions. [2023-08-30 08:50:40,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2088 transitions. [2023-08-30 08:50:40,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:40,191 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2088 transitions. [2023-08-30 08:50:40,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 149.14285714285714) internal successors, (2088), 14 states have internal predecessors, (2088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:40,201 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 325.0) internal successors, (4875), 15 states have internal predecessors, (4875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:40,202 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 325.0) internal successors, (4875), 15 states have internal predecessors, (4875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:40,202 INFO L175 Difference]: Start difference. First operand has 56 places, 51 transitions, 348 flow. Second operand 14 states and 2088 transitions. [2023-08-30 08:50:40,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 92 transitions, 776 flow [2023-08-30 08:50:40,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 92 transitions, 743 flow, removed 4 selfloop flow, removed 3 redundant places. [2023-08-30 08:50:40,210 INFO L231 Difference]: Finished difference. Result has 69 places, 73 transitions, 629 flow [2023-08-30 08:50:40,210 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=327, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=629, PETRI_PLACES=69, PETRI_TRANSITIONS=73} [2023-08-30 08:50:40,212 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 36 predicate places. [2023-08-30 08:50:40,212 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 73 transitions, 629 flow [2023-08-30 08:50:40,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 145.0) internal successors, (1305), 9 states have internal predecessors, (1305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:40,213 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:40,213 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:40,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-30 08:50:40,213 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:50:40,214 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:40,214 INFO L85 PathProgramCache]: Analyzing trace with hash -733499141, now seen corresponding path program 1 times [2023-08-30 08:50:40,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:40,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81520157] [2023-08-30 08:50:40,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:40,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:40,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:50:40,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:40,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81520157] [2023-08-30 08:50:40,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81520157] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:40,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:40,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-30 08:50:40,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852204893] [2023-08-30 08:50:40,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:40,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-30 08:50:40,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:40,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-30 08:50:40,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-08-30 08:50:40,722 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 325 [2023-08-30 08:50:40,723 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 73 transitions, 629 flow. Second operand has 7 states, 7 states have (on average 154.14285714285714) internal successors, (1079), 7 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:40,723 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:40,723 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 325 [2023-08-30 08:50:40,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:40,938 INFO L130 PetriNetUnfolder]: 176/374 cut-off events. [2023-08-30 08:50:40,938 INFO L131 PetriNetUnfolder]: For 569/569 co-relation queries the response was YES. [2023-08-30 08:50:40,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1282 conditions, 374 events. 176/374 cut-off events. For 569/569 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1614 event pairs, 27 based on Foata normal form. 16/368 useless extension candidates. Maximal degree in co-relation 1076. Up to 160 conditions per place. [2023-08-30 08:50:40,941 INFO L137 encePairwiseOnDemand]: 318/325 looper letters, 56 selfloop transitions, 17 changer transitions 7/86 dead transitions. [2023-08-30 08:50:40,941 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 86 transitions, 788 flow [2023-08-30 08:50:40,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-30 08:50:40,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-30 08:50:40,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1121 transitions. [2023-08-30 08:50:40,945 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49274725274725273 [2023-08-30 08:50:40,945 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1121 transitions. [2023-08-30 08:50:40,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1121 transitions. [2023-08-30 08:50:40,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:40,968 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1121 transitions. [2023-08-30 08:50:40,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 160.14285714285714) internal successors, (1121), 7 states have internal predecessors, (1121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:40,974 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 325.0) internal successors, (2600), 8 states have internal predecessors, (2600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:40,975 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 325.0) internal successors, (2600), 8 states have internal predecessors, (2600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:40,975 INFO L175 Difference]: Start difference. First operand has 69 places, 73 transitions, 629 flow. Second operand 7 states and 1121 transitions. [2023-08-30 08:50:40,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 86 transitions, 788 flow [2023-08-30 08:50:40,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 86 transitions, 720 flow, removed 18 selfloop flow, removed 6 redundant places. [2023-08-30 08:50:40,980 INFO L231 Difference]: Finished difference. Result has 68 places, 60 transitions, 489 flow [2023-08-30 08:50:40,981 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=449, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=489, PETRI_PLACES=68, PETRI_TRANSITIONS=60} [2023-08-30 08:50:40,983 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 35 predicate places. [2023-08-30 08:50:40,983 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 60 transitions, 489 flow [2023-08-30 08:50:40,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 154.14285714285714) internal successors, (1079), 7 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:40,985 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:40,985 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:40,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-30 08:50:40,986 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:50:40,986 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:40,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1953141507, now seen corresponding path program 2 times [2023-08-30 08:50:40,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:40,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986380254] [2023-08-30 08:50:40,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:40,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:41,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:50:41,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:41,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986380254] [2023-08-30 08:50:41,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986380254] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:41,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:41,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-30 08:50:41,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195287551] [2023-08-30 08:50:41,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:41,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-30 08:50:41,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:41,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-30 08:50:41,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-08-30 08:50:41,382 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 325 [2023-08-30 08:50:41,383 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 60 transitions, 489 flow. Second operand has 7 states, 7 states have (on average 154.14285714285714) internal successors, (1079), 7 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:41,383 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:41,383 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 325 [2023-08-30 08:50:41,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:41,491 INFO L130 PetriNetUnfolder]: 50/136 cut-off events. [2023-08-30 08:50:41,492 INFO L131 PetriNetUnfolder]: For 390/390 co-relation queries the response was YES. [2023-08-30 08:50:41,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 553 conditions, 136 events. 50/136 cut-off events. For 390/390 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 483 event pairs, 22 based on Foata normal form. 14/140 useless extension candidates. Maximal degree in co-relation 459. Up to 64 conditions per place. [2023-08-30 08:50:41,493 INFO L137 encePairwiseOnDemand]: 319/325 looper letters, 36 selfloop transitions, 13 changer transitions 0/51 dead transitions. [2023-08-30 08:50:41,493 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 51 transitions, 488 flow [2023-08-30 08:50:41,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-30 08:50:41,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-30 08:50:41,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 948 transitions. [2023-08-30 08:50:41,496 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48615384615384616 [2023-08-30 08:50:41,496 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 948 transitions. [2023-08-30 08:50:41,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 948 transitions. [2023-08-30 08:50:41,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:41,497 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 948 transitions. [2023-08-30 08:50:41,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 158.0) internal successors, (948), 6 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:41,501 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 325.0) internal successors, (2275), 7 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:41,502 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 325.0) internal successors, (2275), 7 states have internal predecessors, (2275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:41,502 INFO L175 Difference]: Start difference. First operand has 68 places, 60 transitions, 489 flow. Second operand 6 states and 948 transitions. [2023-08-30 08:50:41,502 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 51 transitions, 488 flow [2023-08-30 08:50:41,504 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 51 transitions, 459 flow, removed 7 selfloop flow, removed 6 redundant places. [2023-08-30 08:50:41,505 INFO L231 Difference]: Finished difference. Result has 67 places, 46 transitions, 386 flow [2023-08-30 08:50:41,506 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=386, PETRI_PLACES=67, PETRI_TRANSITIONS=46} [2023-08-30 08:50:41,506 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 34 predicate places. [2023-08-30 08:50:41,506 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 46 transitions, 386 flow [2023-08-30 08:50:41,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 154.14285714285714) internal successors, (1079), 7 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:41,507 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:41,507 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:41,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-30 08:50:41,508 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:50:41,508 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:41,508 INFO L85 PathProgramCache]: Analyzing trace with hash 484799361, now seen corresponding path program 1 times [2023-08-30 08:50:41,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:41,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054632907] [2023-08-30 08:50:41,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:41,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:42,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:50:42,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:42,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054632907] [2023-08-30 08:50:42,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054632907] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:42,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:42,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-30 08:50:42,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686255036] [2023-08-30 08:50:42,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:42,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-30 08:50:42,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:42,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-30 08:50:42,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-08-30 08:50:42,904 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 325 [2023-08-30 08:50:42,905 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 46 transitions, 386 flow. Second operand has 11 states, 11 states have (on average 139.0909090909091) internal successors, (1530), 11 states have internal predecessors, (1530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:42,905 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:42,905 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 325 [2023-08-30 08:50:42,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:43,236 INFO L130 PetriNetUnfolder]: 69/182 cut-off events. [2023-08-30 08:50:43,236 INFO L131 PetriNetUnfolder]: For 414/414 co-relation queries the response was YES. [2023-08-30 08:50:43,237 INFO L83 FinitePrefix]: Finished finitePrefix Result has 708 conditions, 182 events. 69/182 cut-off events. For 414/414 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 677 event pairs, 13 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 543. Up to 96 conditions per place. [2023-08-30 08:50:43,238 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 48 selfloop transitions, 20 changer transitions 2/70 dead transitions. [2023-08-30 08:50:43,238 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 70 transitions, 628 flow [2023-08-30 08:50:43,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-30 08:50:43,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-30 08:50:43,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1434 transitions. [2023-08-30 08:50:43,252 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4412307692307692 [2023-08-30 08:50:43,252 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1434 transitions. [2023-08-30 08:50:43,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1434 transitions. [2023-08-30 08:50:43,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:43,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1434 transitions. [2023-08-30 08:50:43,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 143.4) internal successors, (1434), 10 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:43,260 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 325.0) internal successors, (3575), 11 states have internal predecessors, (3575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:43,261 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 325.0) internal successors, (3575), 11 states have internal predecessors, (3575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:43,261 INFO L175 Difference]: Start difference. First operand has 67 places, 46 transitions, 386 flow. Second operand 10 states and 1434 transitions. [2023-08-30 08:50:43,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 70 transitions, 628 flow [2023-08-30 08:50:43,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 70 transitions, 608 flow, removed 2 selfloop flow, removed 4 redundant places. [2023-08-30 08:50:43,265 INFO L231 Difference]: Finished difference. Result has 76 places, 54 transitions, 497 flow [2023-08-30 08:50:43,265 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=497, PETRI_PLACES=76, PETRI_TRANSITIONS=54} [2023-08-30 08:50:43,265 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 43 predicate places. [2023-08-30 08:50:43,266 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 54 transitions, 497 flow [2023-08-30 08:50:43,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 139.0909090909091) internal successors, (1530), 11 states have internal predecessors, (1530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:43,266 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:43,267 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:43,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-30 08:50:43,267 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:50:43,267 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:43,268 INFO L85 PathProgramCache]: Analyzing trace with hash 417833700, now seen corresponding path program 1 times [2023-08-30 08:50:43,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:43,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364702799] [2023-08-30 08:50:43,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:43,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:44,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:50:44,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:44,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364702799] [2023-08-30 08:50:44,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364702799] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:44,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:44,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-30 08:50:44,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019952972] [2023-08-30 08:50:44,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:44,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-30 08:50:44,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:44,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-30 08:50:44,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-08-30 08:50:44,763 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 325 [2023-08-30 08:50:44,765 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 54 transitions, 497 flow. Second operand has 12 states, 12 states have (on average 141.0) internal successors, (1692), 12 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:44,765 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:44,765 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 325 [2023-08-30 08:50:44,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:45,304 INFO L130 PetriNetUnfolder]: 72/189 cut-off events. [2023-08-30 08:50:45,305 INFO L131 PetriNetUnfolder]: For 622/622 co-relation queries the response was YES. [2023-08-30 08:50:45,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 847 conditions, 189 events. 72/189 cut-off events. For 622/622 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 716 event pairs, 20 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 714. Up to 121 conditions per place. [2023-08-30 08:50:45,307 INFO L137 encePairwiseOnDemand]: 312/325 looper letters, 43 selfloop transitions, 29 changer transitions 1/73 dead transitions. [2023-08-30 08:50:45,307 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 73 transitions, 779 flow [2023-08-30 08:50:45,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-08-30 08:50:45,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-08-30 08:50:45,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2152 transitions. [2023-08-30 08:50:45,312 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44143589743589745 [2023-08-30 08:50:45,313 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2152 transitions. [2023-08-30 08:50:45,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2152 transitions. [2023-08-30 08:50:45,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:45,314 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2152 transitions. [2023-08-30 08:50:45,318 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 143.46666666666667) internal successors, (2152), 15 states have internal predecessors, (2152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:45,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 325.0) internal successors, (5200), 16 states have internal predecessors, (5200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:45,325 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 325.0) internal successors, (5200), 16 states have internal predecessors, (5200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:45,325 INFO L175 Difference]: Start difference. First operand has 76 places, 54 transitions, 497 flow. Second operand 15 states and 2152 transitions. [2023-08-30 08:50:45,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 73 transitions, 779 flow [2023-08-30 08:50:45,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 73 transitions, 732 flow, removed 6 selfloop flow, removed 4 redundant places. [2023-08-30 08:50:45,330 INFO L231 Difference]: Finished difference. Result has 86 places, 56 transitions, 559 flow [2023-08-30 08:50:45,330 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=458, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=559, PETRI_PLACES=86, PETRI_TRANSITIONS=56} [2023-08-30 08:50:45,331 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 53 predicate places. [2023-08-30 08:50:45,331 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 56 transitions, 559 flow [2023-08-30 08:50:45,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 141.0) internal successors, (1692), 12 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:45,332 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:45,332 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:45,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-30 08:50:45,332 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:50:45,333 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:45,333 INFO L85 PathProgramCache]: Analyzing trace with hash -371214299, now seen corresponding path program 2 times [2023-08-30 08:50:45,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:45,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242561270] [2023-08-30 08:50:45,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:45,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:45,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:50:45,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:45,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242561270] [2023-08-30 08:50:45,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242561270] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:45,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:45,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-30 08:50:45,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751732632] [2023-08-30 08:50:45,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:45,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-30 08:50:45,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:45,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-30 08:50:45,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-08-30 08:50:46,186 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 325 [2023-08-30 08:50:46,187 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 56 transitions, 559 flow. Second operand has 9 states, 9 states have (on average 145.22222222222223) internal successors, (1307), 9 states have internal predecessors, (1307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:46,187 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:46,187 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 325 [2023-08-30 08:50:46,187 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:46,473 INFO L130 PetriNetUnfolder]: 64/190 cut-off events. [2023-08-30 08:50:46,473 INFO L131 PetriNetUnfolder]: For 637/637 co-relation queries the response was YES. [2023-08-30 08:50:46,474 INFO L83 FinitePrefix]: Finished finitePrefix Result has 896 conditions, 190 events. 64/190 cut-off events. For 637/637 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 819 event pairs, 19 based on Foata normal form. 3/192 useless extension candidates. Maximal degree in co-relation 771. Up to 97 conditions per place. [2023-08-30 08:50:46,475 INFO L137 encePairwiseOnDemand]: 315/325 looper letters, 57 selfloop transitions, 22 changer transitions 0/81 dead transitions. [2023-08-30 08:50:46,475 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 81 transitions, 840 flow [2023-08-30 08:50:46,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 08:50:46,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 08:50:46,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1634 transitions. [2023-08-30 08:50:46,479 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45706293706293705 [2023-08-30 08:50:46,480 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1634 transitions. [2023-08-30 08:50:46,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1634 transitions. [2023-08-30 08:50:46,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:46,481 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1634 transitions. [2023-08-30 08:50:46,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 148.54545454545453) internal successors, (1634), 11 states have internal predecessors, (1634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:46,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:46,489 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:46,489 INFO L175 Difference]: Start difference. First operand has 86 places, 56 transitions, 559 flow. Second operand 11 states and 1634 transitions. [2023-08-30 08:50:46,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 81 transitions, 840 flow [2023-08-30 08:50:46,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 81 transitions, 747 flow, removed 5 selfloop flow, removed 15 redundant places. [2023-08-30 08:50:46,494 INFO L231 Difference]: Finished difference. Result has 86 places, 65 transitions, 612 flow [2023-08-30 08:50:46,495 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=472, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=612, PETRI_PLACES=86, PETRI_TRANSITIONS=65} [2023-08-30 08:50:46,496 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 53 predicate places. [2023-08-30 08:50:46,496 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 65 transitions, 612 flow [2023-08-30 08:50:46,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 145.22222222222223) internal successors, (1307), 9 states have internal predecessors, (1307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:46,497 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:46,497 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:46,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-30 08:50:46,497 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:50:46,498 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:46,498 INFO L85 PathProgramCache]: Analyzing trace with hash 417833717, now seen corresponding path program 1 times [2023-08-30 08:50:46,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:46,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914382180] [2023-08-30 08:50:46,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:46,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:47,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:50:47,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:47,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914382180] [2023-08-30 08:50:47,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914382180] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:47,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:47,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-30 08:50:47,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105630915] [2023-08-30 08:50:47,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:47,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-30 08:50:47,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:47,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-30 08:50:47,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-08-30 08:50:47,784 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 325 [2023-08-30 08:50:47,785 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 65 transitions, 612 flow. Second operand has 12 states, 12 states have (on average 141.0) internal successors, (1692), 12 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:47,785 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:47,785 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 325 [2023-08-30 08:50:47,785 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:48,277 INFO L130 PetriNetUnfolder]: 75/206 cut-off events. [2023-08-30 08:50:48,277 INFO L131 PetriNetUnfolder]: For 773/773 co-relation queries the response was YES. [2023-08-30 08:50:48,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 968 conditions, 206 events. 75/206 cut-off events. For 773/773 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 828 event pairs, 23 based on Foata normal form. 2/208 useless extension candidates. Maximal degree in co-relation 864. Up to 141 conditions per place. [2023-08-30 08:50:48,279 INFO L137 encePairwiseOnDemand]: 312/325 looper letters, 44 selfloop transitions, 23 changer transitions 13/80 dead transitions. [2023-08-30 08:50:48,279 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 80 transitions, 871 flow [2023-08-30 08:50:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-08-30 08:50:48,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-08-30 08:50:48,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2150 transitions. [2023-08-30 08:50:48,284 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.441025641025641 [2023-08-30 08:50:48,285 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2150 transitions. [2023-08-30 08:50:48,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2150 transitions. [2023-08-30 08:50:48,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:48,286 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2150 transitions. [2023-08-30 08:50:48,290 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 143.33333333333334) internal successors, (2150), 15 states have internal predecessors, (2150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:48,296 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 325.0) internal successors, (5200), 16 states have internal predecessors, (5200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:48,297 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 325.0) internal successors, (5200), 16 states have internal predecessors, (5200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:48,297 INFO L175 Difference]: Start difference. First operand has 86 places, 65 transitions, 612 flow. Second operand 15 states and 2150 transitions. [2023-08-30 08:50:48,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 80 transitions, 871 flow [2023-08-30 08:50:48,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 80 transitions, 828 flow, removed 7 selfloop flow, removed 3 redundant places. [2023-08-30 08:50:48,303 INFO L231 Difference]: Finished difference. Result has 95 places, 57 transitions, 572 flow [2023-08-30 08:50:48,303 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=566, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=572, PETRI_PLACES=95, PETRI_TRANSITIONS=57} [2023-08-30 08:50:48,304 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 62 predicate places. [2023-08-30 08:50:48,304 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 57 transitions, 572 flow [2023-08-30 08:50:48,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 141.0) internal successors, (1692), 12 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:48,304 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:48,305 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:48,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-30 08:50:48,305 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:50:48,305 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:48,305 INFO L85 PathProgramCache]: Analyzing trace with hash -2082309819, now seen corresponding path program 1 times [2023-08-30 08:50:48,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:48,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950746670] [2023-08-30 08:50:48,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:48,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:49,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:50:49,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:49,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950746670] [2023-08-30 08:50:49,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950746670] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:49,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:49,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-30 08:50:49,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086548462] [2023-08-30 08:50:49,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:49,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-30 08:50:49,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:49,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-30 08:50:49,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-08-30 08:50:49,649 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 325 [2023-08-30 08:50:49,650 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 57 transitions, 572 flow. Second operand has 11 states, 11 states have (on average 141.0909090909091) internal successors, (1552), 11 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:49,650 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:49,650 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 325 [2023-08-30 08:50:49,650 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:50,012 INFO L130 PetriNetUnfolder]: 77/210 cut-off events. [2023-08-30 08:50:50,013 INFO L131 PetriNetUnfolder]: For 747/747 co-relation queries the response was YES. [2023-08-30 08:50:50,014 INFO L83 FinitePrefix]: Finished finitePrefix Result has 983 conditions, 210 events. 77/210 cut-off events. For 747/747 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 849 event pairs, 20 based on Foata normal form. 3/213 useless extension candidates. Maximal degree in co-relation 858. Up to 119 conditions per place. [2023-08-30 08:50:50,015 INFO L137 encePairwiseOnDemand]: 315/325 looper letters, 50 selfloop transitions, 27 changer transitions 0/77 dead transitions. [2023-08-30 08:50:50,015 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 77 transitions, 812 flow [2023-08-30 08:50:50,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-30 08:50:50,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-30 08:50:50,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1728 transitions. [2023-08-30 08:50:50,026 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4430769230769231 [2023-08-30 08:50:50,026 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1728 transitions. [2023-08-30 08:50:50,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1728 transitions. [2023-08-30 08:50:50,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:50,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1728 transitions. [2023-08-30 08:50:50,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 144.0) internal successors, (1728), 12 states have internal predecessors, (1728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:50,038 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:50,039 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:50,039 INFO L175 Difference]: Start difference. First operand has 95 places, 57 transitions, 572 flow. Second operand 12 states and 1728 transitions. [2023-08-30 08:50:50,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 77 transitions, 812 flow [2023-08-30 08:50:50,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 77 transitions, 709 flow, removed 8 selfloop flow, removed 13 redundant places. [2023-08-30 08:50:50,045 INFO L231 Difference]: Finished difference. Result has 84 places, 63 transitions, 610 flow [2023-08-30 08:50:50,046 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=479, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=610, PETRI_PLACES=84, PETRI_TRANSITIONS=63} [2023-08-30 08:50:50,046 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 51 predicate places. [2023-08-30 08:50:50,046 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 63 transitions, 610 flow [2023-08-30 08:50:50,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 141.0909090909091) internal successors, (1552), 11 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:50,047 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:50,047 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:50,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-30 08:50:50,048 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:50:50,048 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:50,048 INFO L85 PathProgramCache]: Analyzing trace with hash 484799435, now seen corresponding path program 2 times [2023-08-30 08:50:50,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:50,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894350878] [2023-08-30 08:50:50,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:50,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:50,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:50:50,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:50,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894350878] [2023-08-30 08:50:50,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894350878] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:50,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:50,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-30 08:50:50,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644833086] [2023-08-30 08:50:50,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:50,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-30 08:50:50,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:50,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-30 08:50:50,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-08-30 08:50:51,254 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 325 [2023-08-30 08:50:51,255 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 63 transitions, 610 flow. Second operand has 11 states, 11 states have (on average 141.0909090909091) internal successors, (1552), 11 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:51,255 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:51,255 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 325 [2023-08-30 08:50:51,255 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:51,652 INFO L130 PetriNetUnfolder]: 72/197 cut-off events. [2023-08-30 08:50:51,652 INFO L131 PetriNetUnfolder]: For 758/758 co-relation queries the response was YES. [2023-08-30 08:50:51,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 916 conditions, 197 events. 72/197 cut-off events. For 758/758 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 773 event pairs, 12 based on Foata normal form. 6/203 useless extension candidates. Maximal degree in co-relation 835. Up to 68 conditions per place. [2023-08-30 08:50:51,654 INFO L137 encePairwiseOnDemand]: 315/325 looper letters, 45 selfloop transitions, 35 changer transitions 0/80 dead transitions. [2023-08-30 08:50:51,654 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 80 transitions, 797 flow [2023-08-30 08:50:51,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-08-30 08:50:51,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-08-30 08:50:51,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2300 transitions. [2023-08-30 08:50:51,658 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4423076923076923 [2023-08-30 08:50:51,658 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2300 transitions. [2023-08-30 08:50:51,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2300 transitions. [2023-08-30 08:50:51,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:51,659 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2300 transitions. [2023-08-30 08:50:51,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 143.75) internal successors, (2300), 16 states have internal predecessors, (2300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:51,668 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 325.0) internal successors, (5525), 17 states have internal predecessors, (5525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:51,669 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 325.0) internal successors, (5525), 17 states have internal predecessors, (5525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:51,669 INFO L175 Difference]: Start difference. First operand has 84 places, 63 transitions, 610 flow. Second operand 16 states and 2300 transitions. [2023-08-30 08:50:51,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 80 transitions, 797 flow [2023-08-30 08:50:51,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 80 transitions, 716 flow, removed 15 selfloop flow, removed 9 redundant places. [2023-08-30 08:50:51,675 INFO L231 Difference]: Finished difference. Result has 90 places, 59 transitions, 567 flow [2023-08-30 08:50:51,676 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=497, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=567, PETRI_PLACES=90, PETRI_TRANSITIONS=59} [2023-08-30 08:50:51,676 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 57 predicate places. [2023-08-30 08:50:51,676 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 59 transitions, 567 flow [2023-08-30 08:50:51,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 141.0909090909091) internal successors, (1552), 11 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:51,677 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:51,677 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:51,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-30 08:50:51,677 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:50:51,678 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:51,678 INFO L85 PathProgramCache]: Analyzing trace with hash 686384355, now seen corresponding path program 3 times [2023-08-30 08:50:51,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:51,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126767901] [2023-08-30 08:50:51,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:51,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:52,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:50:52,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:52,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126767901] [2023-08-30 08:50:52,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126767901] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:52,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:52,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-30 08:50:52,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452946172] [2023-08-30 08:50:52,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:52,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-30 08:50:52,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:52,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-30 08:50:52,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-08-30 08:50:52,936 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 325 [2023-08-30 08:50:52,937 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 59 transitions, 567 flow. Second operand has 11 states, 11 states have (on average 139.0909090909091) internal successors, (1530), 11 states have internal predecessors, (1530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:52,937 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:52,937 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 325 [2023-08-30 08:50:52,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:53,238 INFO L130 PetriNetUnfolder]: 69/191 cut-off events. [2023-08-30 08:50:53,239 INFO L131 PetriNetUnfolder]: For 625/625 co-relation queries the response was YES. [2023-08-30 08:50:53,240 INFO L83 FinitePrefix]: Finished finitePrefix Result has 899 conditions, 191 events. 69/191 cut-off events. For 625/625 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 739 event pairs, 18 based on Foata normal form. 3/194 useless extension candidates. Maximal degree in co-relation 774. Up to 105 conditions per place. [2023-08-30 08:50:53,241 INFO L137 encePairwiseOnDemand]: 315/325 looper letters, 45 selfloop transitions, 27 changer transitions 0/72 dead transitions. [2023-08-30 08:50:53,241 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 72 transitions, 744 flow [2023-08-30 08:50:53,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-30 08:50:53,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-30 08:50:53,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1423 transitions. [2023-08-30 08:50:53,244 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43784615384615383 [2023-08-30 08:50:53,244 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1423 transitions. [2023-08-30 08:50:53,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1423 transitions. [2023-08-30 08:50:53,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:53,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1423 transitions. [2023-08-30 08:50:53,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 142.3) internal successors, (1423), 10 states have internal predecessors, (1423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:53,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 325.0) internal successors, (3575), 11 states have internal predecessors, (3575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:53,252 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 325.0) internal successors, (3575), 11 states have internal predecessors, (3575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:53,252 INFO L175 Difference]: Start difference. First operand has 90 places, 59 transitions, 567 flow. Second operand 10 states and 1423 transitions. [2023-08-30 08:50:53,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 72 transitions, 744 flow [2023-08-30 08:50:53,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 72 transitions, 621 flow, removed 6 selfloop flow, removed 19 redundant places. [2023-08-30 08:50:53,257 INFO L231 Difference]: Finished difference. Result has 80 places, 58 transitions, 494 flow [2023-08-30 08:50:53,258 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=494, PETRI_PLACES=80, PETRI_TRANSITIONS=58} [2023-08-30 08:50:53,258 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 47 predicate places. [2023-08-30 08:50:53,258 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 58 transitions, 494 flow [2023-08-30 08:50:53,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 139.0909090909091) internal successors, (1530), 11 states have internal predecessors, (1530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:53,259 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:53,259 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:53,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-30 08:50:53,259 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:50:53,260 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:53,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1276644141, now seen corresponding path program 4 times [2023-08-30 08:50:53,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:53,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542164482] [2023-08-30 08:50:53,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:53,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:53,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:53,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:50:53,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:53,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542164482] [2023-08-30 08:50:53,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542164482] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:53,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:53,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-30 08:50:53,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072859791] [2023-08-30 08:50:53,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:53,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-30 08:50:53,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:53,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-30 08:50:53,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-08-30 08:50:54,210 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 325 [2023-08-30 08:50:54,212 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 58 transitions, 494 flow. Second operand has 10 states, 10 states have (on average 145.1) internal successors, (1451), 10 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:54,212 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:54,212 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 325 [2023-08-30 08:50:54,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:54,461 INFO L130 PetriNetUnfolder]: 63/193 cut-off events. [2023-08-30 08:50:54,461 INFO L131 PetriNetUnfolder]: For 505/505 co-relation queries the response was YES. [2023-08-30 08:50:54,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 843 conditions, 193 events. 63/193 cut-off events. For 505/505 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 835 event pairs, 11 based on Foata normal form. 3/196 useless extension candidates. Maximal degree in co-relation 718. Up to 74 conditions per place. [2023-08-30 08:50:54,463 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 40 selfloop transitions, 40 changer transitions 0/81 dead transitions. [2023-08-30 08:50:54,463 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 81 transitions, 771 flow [2023-08-30 08:50:54,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-30 08:50:54,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-30 08:50:54,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1774 transitions. [2023-08-30 08:50:54,466 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45487179487179485 [2023-08-30 08:50:54,466 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1774 transitions. [2023-08-30 08:50:54,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1774 transitions. [2023-08-30 08:50:54,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:54,467 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1774 transitions. [2023-08-30 08:50:54,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 147.83333333333334) internal successors, (1774), 12 states have internal predecessors, (1774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:54,473 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:54,474 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:54,474 INFO L175 Difference]: Start difference. First operand has 80 places, 58 transitions, 494 flow. Second operand 12 states and 1774 transitions. [2023-08-30 08:50:54,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 81 transitions, 771 flow [2023-08-30 08:50:54,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 81 transitions, 723 flow, removed 2 selfloop flow, removed 9 redundant places. [2023-08-30 08:50:54,478 INFO L231 Difference]: Finished difference. Result has 86 places, 67 transitions, 666 flow [2023-08-30 08:50:54,478 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=450, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=666, PETRI_PLACES=86, PETRI_TRANSITIONS=67} [2023-08-30 08:50:54,479 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 53 predicate places. [2023-08-30 08:50:54,479 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 67 transitions, 666 flow [2023-08-30 08:50:54,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 145.1) internal successors, (1451), 10 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:54,480 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:54,480 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:54,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-30 08:50:54,480 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:50:54,480 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:54,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1276644215, now seen corresponding path program 3 times [2023-08-30 08:50:54,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:54,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181018355] [2023-08-30 08:50:54,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:54,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:55,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:50:55,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:55,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181018355] [2023-08-30 08:50:55,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181018355] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:55,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:55,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-30 08:50:55,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144602069] [2023-08-30 08:50:55,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:55,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-30 08:50:55,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:55,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-30 08:50:55,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-08-30 08:50:55,612 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 325 [2023-08-30 08:50:55,613 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 67 transitions, 666 flow. Second operand has 11 states, 11 states have (on average 141.0909090909091) internal successors, (1552), 11 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:55,613 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:55,613 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 325 [2023-08-30 08:50:55,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:55,954 INFO L130 PetriNetUnfolder]: 77/212 cut-off events. [2023-08-30 08:50:55,954 INFO L131 PetriNetUnfolder]: For 678/678 co-relation queries the response was YES. [2023-08-30 08:50:55,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 981 conditions, 212 events. 77/212 cut-off events. For 678/678 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 873 event pairs, 12 based on Foata normal form. 3/215 useless extension candidates. Maximal degree in co-relation 856. Up to 65 conditions per place. [2023-08-30 08:50:55,956 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 36 selfloop transitions, 42 changer transitions 0/78 dead transitions. [2023-08-30 08:50:55,956 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 78 transitions, 839 flow [2023-08-30 08:50:55,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-30 08:50:55,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-30 08:50:55,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1866 transitions. [2023-08-30 08:50:55,960 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4416568047337278 [2023-08-30 08:50:55,960 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1866 transitions. [2023-08-30 08:50:55,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1866 transitions. [2023-08-30 08:50:55,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:55,961 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1866 transitions. [2023-08-30 08:50:55,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 143.53846153846155) internal successors, (1866), 13 states have internal predecessors, (1866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:55,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:55,968 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:55,969 INFO L175 Difference]: Start difference. First operand has 86 places, 67 transitions, 666 flow. Second operand 13 states and 1866 transitions. [2023-08-30 08:50:55,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 78 transitions, 839 flow [2023-08-30 08:50:55,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 78 transitions, 780 flow, removed 12 selfloop flow, removed 7 redundant places. [2023-08-30 08:50:55,973 INFO L231 Difference]: Finished difference. Result has 91 places, 65 transitions, 673 flow [2023-08-30 08:50:55,974 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=589, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=673, PETRI_PLACES=91, PETRI_TRANSITIONS=65} [2023-08-30 08:50:55,974 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 58 predicate places. [2023-08-30 08:50:55,974 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 65 transitions, 673 flow [2023-08-30 08:50:55,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 141.0909090909091) internal successors, (1552), 11 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:55,975 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:55,975 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:55,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-30 08:50:55,975 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:50:55,976 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:55,976 INFO L85 PathProgramCache]: Analyzing trace with hash -466964249, now seen corresponding path program 4 times [2023-08-30 08:50:55,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:55,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493126516] [2023-08-30 08:50:55,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:55,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:56,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:50:56,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:56,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493126516] [2023-08-30 08:50:56,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493126516] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:56,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:56,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-30 08:50:56,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115105051] [2023-08-30 08:50:56,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:56,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-30 08:50:56,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:56,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-30 08:50:56,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-08-30 08:50:57,053 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 325 [2023-08-30 08:50:57,054 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 65 transitions, 673 flow. Second operand has 11 states, 11 states have (on average 141.0909090909091) internal successors, (1552), 11 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:57,054 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:57,054 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 325 [2023-08-30 08:50:57,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:57,360 INFO L130 PetriNetUnfolder]: 75/205 cut-off events. [2023-08-30 08:50:57,360 INFO L131 PetriNetUnfolder]: For 665/665 co-relation queries the response was YES. [2023-08-30 08:50:57,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 983 conditions, 205 events. 75/205 cut-off events. For 665/665 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 835 event pairs, 4 based on Foata normal form. 3/208 useless extension candidates. Maximal degree in co-relation 866. Up to 55 conditions per place. [2023-08-30 08:50:57,362 INFO L137 encePairwiseOnDemand]: 315/325 looper letters, 28 selfloop transitions, 46 changer transitions 0/74 dead transitions. [2023-08-30 08:50:57,362 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 74 transitions, 862 flow [2023-08-30 08:50:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-30 08:50:57,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-30 08:50:57,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1859 transitions. [2023-08-30 08:50:57,365 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44 [2023-08-30 08:50:57,365 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1859 transitions. [2023-08-30 08:50:57,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1859 transitions. [2023-08-30 08:50:57,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:57,366 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1859 transitions. [2023-08-30 08:50:57,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 143.0) internal successors, (1859), 13 states have internal predecessors, (1859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:57,374 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:57,375 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:57,375 INFO L175 Difference]: Start difference. First operand has 91 places, 65 transitions, 673 flow. Second operand 13 states and 1859 transitions. [2023-08-30 08:50:57,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 74 transitions, 862 flow [2023-08-30 08:50:57,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 74 transitions, 762 flow, removed 6 selfloop flow, removed 13 redundant places. [2023-08-30 08:50:57,384 INFO L231 Difference]: Finished difference. Result has 93 places, 67 transitions, 742 flow [2023-08-30 08:50:57,385 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=742, PETRI_PLACES=93, PETRI_TRANSITIONS=67} [2023-08-30 08:50:57,385 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 60 predicate places. [2023-08-30 08:50:57,385 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 67 transitions, 742 flow [2023-08-30 08:50:57,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 141.0909090909091) internal successors, (1552), 11 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:57,386 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:57,387 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:57,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-30 08:50:57,387 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:50:57,388 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:57,388 INFO L85 PathProgramCache]: Analyzing trace with hash -466964323, now seen corresponding path program 5 times [2023-08-30 08:50:57,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:57,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666378883] [2023-08-30 08:50:57,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:57,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:57,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:57,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:50:57,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:57,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666378883] [2023-08-30 08:50:57,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666378883] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:57,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:57,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-30 08:50:57,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932036158] [2023-08-30 08:50:57,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:57,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-30 08:50:57,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:57,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-30 08:50:57,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-30 08:50:58,417 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 325 [2023-08-30 08:50:58,418 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 67 transitions, 742 flow. Second operand has 11 states, 11 states have (on average 144.0) internal successors, (1584), 11 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:58,418 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:58,418 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 325 [2023-08-30 08:50:58,418 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:58,805 INFO L130 PetriNetUnfolder]: 56/177 cut-off events. [2023-08-30 08:50:58,805 INFO L131 PetriNetUnfolder]: For 790/790 co-relation queries the response was YES. [2023-08-30 08:50:58,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 906 conditions, 177 events. 56/177 cut-off events. For 790/790 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 777 event pairs, 8 based on Foata normal form. 3/180 useless extension candidates. Maximal degree in co-relation 743. Up to 63 conditions per place. [2023-08-30 08:50:58,807 INFO L137 encePairwiseOnDemand]: 315/325 looper letters, 23 selfloop transitions, 46 changer transitions 0/70 dead transitions. [2023-08-30 08:50:58,807 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 70 transitions, 873 flow [2023-08-30 08:50:58,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-30 08:50:58,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-30 08:50:58,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1749 transitions. [2023-08-30 08:50:58,810 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44846153846153847 [2023-08-30 08:50:58,810 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1749 transitions. [2023-08-30 08:50:58,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1749 transitions. [2023-08-30 08:50:58,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:58,811 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1749 transitions. [2023-08-30 08:50:58,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 145.75) internal successors, (1749), 12 states have internal predecessors, (1749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:58,817 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:58,818 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:58,818 INFO L175 Difference]: Start difference. First operand has 93 places, 67 transitions, 742 flow. Second operand 12 states and 1749 transitions. [2023-08-30 08:50:58,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 70 transitions, 873 flow [2023-08-30 08:50:58,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 70 transitions, 784 flow, removed 8 selfloop flow, removed 10 redundant places. [2023-08-30 08:50:58,824 INFO L231 Difference]: Finished difference. Result has 94 places, 65 transitions, 727 flow [2023-08-30 08:50:58,824 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=635, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=727, PETRI_PLACES=94, PETRI_TRANSITIONS=65} [2023-08-30 08:50:58,824 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 61 predicate places. [2023-08-30 08:50:58,825 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 65 transitions, 727 flow [2023-08-30 08:50:58,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 144.0) internal successors, (1584), 11 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:58,825 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:58,825 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:58,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-30 08:50:58,826 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:50:58,826 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:58,826 INFO L85 PathProgramCache]: Analyzing trace with hash 283452800, now seen corresponding path program 1 times [2023-08-30 08:50:58,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:58,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768506254] [2023-08-30 08:50:58,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:58,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:59,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:50:59,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:59,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768506254] [2023-08-30 08:50:59,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768506254] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:59,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:59,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:50:59,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322790940] [2023-08-30 08:50:59,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:59,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:50:59,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:59,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:50:59,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:51:00,806 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 325 [2023-08-30 08:51:00,807 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 65 transitions, 727 flow. Second operand has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:00,807 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:00,807 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 325 [2023-08-30 08:51:00,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:01,192 INFO L130 PetriNetUnfolder]: 79/228 cut-off events. [2023-08-30 08:51:01,192 INFO L131 PetriNetUnfolder]: For 936/936 co-relation queries the response was YES. [2023-08-30 08:51:01,193 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1135 conditions, 228 events. 79/228 cut-off events. For 936/936 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1012 event pairs, 32 based on Foata normal form. 2/230 useless extension candidates. Maximal degree in co-relation 960. Up to 178 conditions per place. [2023-08-30 08:51:01,195 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 67 selfloop transitions, 22 changer transitions 0/89 dead transitions. [2023-08-30 08:51:01,195 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 89 transitions, 1099 flow [2023-08-30 08:51:01,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-30 08:51:01,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-30 08:51:01,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1625 transitions. [2023-08-30 08:51:01,198 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4166666666666667 [2023-08-30 08:51:01,198 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1625 transitions. [2023-08-30 08:51:01,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1625 transitions. [2023-08-30 08:51:01,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:01,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1625 transitions. [2023-08-30 08:51:01,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 135.41666666666666) internal successors, (1625), 12 states have internal predecessors, (1625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:01,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:01,205 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:01,205 INFO L175 Difference]: Start difference. First operand has 94 places, 65 transitions, 727 flow. Second operand 12 states and 1625 transitions. [2023-08-30 08:51:01,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 89 transitions, 1099 flow [2023-08-30 08:51:01,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 89 transitions, 972 flow, removed 1 selfloop flow, removed 11 redundant places. [2023-08-30 08:51:01,211 INFO L231 Difference]: Finished difference. Result has 101 places, 78 transitions, 838 flow [2023-08-30 08:51:01,211 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=838, PETRI_PLACES=101, PETRI_TRANSITIONS=78} [2023-08-30 08:51:01,212 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 68 predicate places. [2023-08-30 08:51:01,212 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 78 transitions, 838 flow [2023-08-30 08:51:01,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:01,213 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:01,213 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:01,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-30 08:51:01,213 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:51:01,214 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:01,214 INFO L85 PathProgramCache]: Analyzing trace with hash 159015452, now seen corresponding path program 2 times [2023-08-30 08:51:01,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:01,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519617341] [2023-08-30 08:51:01,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:01,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:02,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:51:02,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:02,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519617341] [2023-08-30 08:51:02,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519617341] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:02,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:02,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:51:02,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782994278] [2023-08-30 08:51:02,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:02,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:51:02,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:02,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:51:02,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:51:02,795 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 325 [2023-08-30 08:51:02,797 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 78 transitions, 838 flow. Second operand has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:02,797 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:02,797 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 325 [2023-08-30 08:51:02,797 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:03,231 INFO L130 PetriNetUnfolder]: 85/250 cut-off events. [2023-08-30 08:51:03,231 INFO L131 PetriNetUnfolder]: For 937/937 co-relation queries the response was YES. [2023-08-30 08:51:03,232 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1241 conditions, 250 events. 85/250 cut-off events. For 937/937 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1152 event pairs, 37 based on Foata normal form. 2/252 useless extension candidates. Maximal degree in co-relation 1130. Up to 172 conditions per place. [2023-08-30 08:51:03,234 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 67 selfloop transitions, 31 changer transitions 0/98 dead transitions. [2023-08-30 08:51:03,234 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 98 transitions, 1181 flow [2023-08-30 08:51:03,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-30 08:51:03,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-30 08:51:03,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1762 transitions. [2023-08-30 08:51:03,236 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4170414201183432 [2023-08-30 08:51:03,237 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1762 transitions. [2023-08-30 08:51:03,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1762 transitions. [2023-08-30 08:51:03,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:03,237 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1762 transitions. [2023-08-30 08:51:03,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 135.53846153846155) internal successors, (1762), 13 states have internal predecessors, (1762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:03,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:03,243 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:03,243 INFO L175 Difference]: Start difference. First operand has 101 places, 78 transitions, 838 flow. Second operand 13 states and 1762 transitions. [2023-08-30 08:51:03,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 98 transitions, 1181 flow [2023-08-30 08:51:03,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 98 transitions, 1168 flow, removed 2 selfloop flow, removed 2 redundant places. [2023-08-30 08:51:03,249 INFO L231 Difference]: Finished difference. Result has 118 places, 88 transitions, 1045 flow [2023-08-30 08:51:03,250 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=825, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1045, PETRI_PLACES=118, PETRI_TRANSITIONS=88} [2023-08-30 08:51:03,250 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 85 predicate places. [2023-08-30 08:51:03,250 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 88 transitions, 1045 flow [2023-08-30 08:51:03,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:03,251 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:03,251 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:03,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-30 08:51:03,251 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:51:03,251 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:03,251 INFO L85 PathProgramCache]: Analyzing trace with hash -799566764, now seen corresponding path program 1 times [2023-08-30 08:51:03,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:03,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584669196] [2023-08-30 08:51:03,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:03,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:03,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:51:03,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:03,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584669196] [2023-08-30 08:51:03,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584669196] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:03,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:03,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-30 08:51:03,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113302399] [2023-08-30 08:51:03,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:03,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-30 08:51:03,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:03,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-30 08:51:03,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-08-30 08:51:04,604 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 325 [2023-08-30 08:51:04,605 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 88 transitions, 1045 flow. Second operand has 12 states, 12 states have (on average 137.16666666666666) internal successors, (1646), 12 states have internal predecessors, (1646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:04,605 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:04,605 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 325 [2023-08-30 08:51:04,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:05,007 INFO L130 PetriNetUnfolder]: 65/228 cut-off events. [2023-08-30 08:51:05,007 INFO L131 PetriNetUnfolder]: For 1237/1237 co-relation queries the response was YES. [2023-08-30 08:51:05,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1314 conditions, 228 events. 65/228 cut-off events. For 1237/1237 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1164 event pairs, 9 based on Foata normal form. 2/230 useless extension candidates. Maximal degree in co-relation 1208. Up to 85 conditions per place. [2023-08-30 08:51:05,010 INFO L137 encePairwiseOnDemand]: 315/325 looper letters, 94 selfloop transitions, 26 changer transitions 0/121 dead transitions. [2023-08-30 08:51:05,010 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 121 transitions, 1579 flow [2023-08-30 08:51:05,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-30 08:51:05,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-30 08:51:05,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1680 transitions. [2023-08-30 08:51:05,013 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4307692307692308 [2023-08-30 08:51:05,013 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1680 transitions. [2023-08-30 08:51:05,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1680 transitions. [2023-08-30 08:51:05,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:05,014 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1680 transitions. [2023-08-30 08:51:05,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 140.0) internal successors, (1680), 12 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:05,019 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:05,019 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:05,019 INFO L175 Difference]: Start difference. First operand has 118 places, 88 transitions, 1045 flow. Second operand 12 states and 1680 transitions. [2023-08-30 08:51:05,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 121 transitions, 1579 flow [2023-08-30 08:51:05,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 121 transitions, 1543 flow, removed 9 selfloop flow, removed 4 redundant places. [2023-08-30 08:51:05,028 INFO L231 Difference]: Finished difference. Result has 130 places, 97 transitions, 1206 flow [2023-08-30 08:51:05,029 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1014, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1206, PETRI_PLACES=130, PETRI_TRANSITIONS=97} [2023-08-30 08:51:05,029 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 97 predicate places. [2023-08-30 08:51:05,029 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 97 transitions, 1206 flow [2023-08-30 08:51:05,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 137.16666666666666) internal successors, (1646), 12 states have internal predecessors, (1646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:05,030 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:05,030 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:05,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-30 08:51:05,030 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:51:05,031 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:05,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1728997246, now seen corresponding path program 2 times [2023-08-30 08:51:05,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:05,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379377805] [2023-08-30 08:51:05,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:05,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:05,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:05,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:51:05,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:05,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379377805] [2023-08-30 08:51:05,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379377805] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:05,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:05,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:51:05,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198847743] [2023-08-30 08:51:05,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:05,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:51:05,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:05,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:51:05,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:51:06,709 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 325 [2023-08-30 08:51:06,710 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 97 transitions, 1206 flow. Second operand has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:06,710 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:06,711 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 325 [2023-08-30 08:51:06,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:07,068 INFO L130 PetriNetUnfolder]: 94/287 cut-off events. [2023-08-30 08:51:07,068 INFO L131 PetriNetUnfolder]: For 1686/1686 co-relation queries the response was YES. [2023-08-30 08:51:07,069 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1624 conditions, 287 events. 94/287 cut-off events. For 1686/1686 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1441 event pairs, 30 based on Foata normal form. 2/289 useless extension candidates. Maximal degree in co-relation 1470. Up to 172 conditions per place. [2023-08-30 08:51:07,071 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 71 selfloop transitions, 40 changer transitions 0/111 dead transitions. [2023-08-30 08:51:07,072 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 111 transitions, 1510 flow [2023-08-30 08:51:07,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 08:51:07,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 08:51:07,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1475 transitions. [2023-08-30 08:51:07,075 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4125874125874126 [2023-08-30 08:51:07,075 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1475 transitions. [2023-08-30 08:51:07,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1475 transitions. [2023-08-30 08:51:07,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:07,076 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1475 transitions. [2023-08-30 08:51:07,077 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 134.0909090909091) internal successors, (1475), 11 states have internal predecessors, (1475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:07,080 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:07,081 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:07,081 INFO L175 Difference]: Start difference. First operand has 130 places, 97 transitions, 1206 flow. Second operand 11 states and 1475 transitions. [2023-08-30 08:51:07,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 111 transitions, 1510 flow [2023-08-30 08:51:07,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 111 transitions, 1475 flow, removed 7 selfloop flow, removed 4 redundant places. [2023-08-30 08:51:07,092 INFO L231 Difference]: Finished difference. Result has 139 places, 100 transitions, 1319 flow [2023-08-30 08:51:07,092 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1179, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1319, PETRI_PLACES=139, PETRI_TRANSITIONS=100} [2023-08-30 08:51:07,093 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 106 predicate places. [2023-08-30 08:51:07,093 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 100 transitions, 1319 flow [2023-08-30 08:51:07,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:07,093 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:07,094 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:07,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-30 08:51:07,094 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:51:07,094 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:07,094 INFO L85 PathProgramCache]: Analyzing trace with hash 403212546, now seen corresponding path program 3 times [2023-08-30 08:51:07,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:07,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104933014] [2023-08-30 08:51:07,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:07,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:08,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:51:08,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:08,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104933014] [2023-08-30 08:51:08,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104933014] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:08,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:08,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:51:08,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556249593] [2023-08-30 08:51:08,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:08,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:51:08,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:08,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:51:08,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:51:08,909 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 325 [2023-08-30 08:51:08,910 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 100 transitions, 1319 flow. Second operand has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:08,910 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:08,910 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 325 [2023-08-30 08:51:08,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:09,284 INFO L130 PetriNetUnfolder]: 93/284 cut-off events. [2023-08-30 08:51:09,284 INFO L131 PetriNetUnfolder]: For 1954/1954 co-relation queries the response was YES. [2023-08-30 08:51:09,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1690 conditions, 284 events. 93/284 cut-off events. For 1954/1954 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1423 event pairs, 42 based on Foata normal form. 2/286 useless extension candidates. Maximal degree in co-relation 1544. Up to 237 conditions per place. [2023-08-30 08:51:09,287 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 73 selfloop transitions, 20 changer transitions 15/108 dead transitions. [2023-08-30 08:51:09,287 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 108 transitions, 1570 flow [2023-08-30 08:51:09,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 08:51:09,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 08:51:09,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1468 transitions. [2023-08-30 08:51:09,290 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4106293706293706 [2023-08-30 08:51:09,290 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1468 transitions. [2023-08-30 08:51:09,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1468 transitions. [2023-08-30 08:51:09,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:09,291 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1468 transitions. [2023-08-30 08:51:09,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 133.45454545454547) internal successors, (1468), 11 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:09,309 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:09,310 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:09,310 INFO L175 Difference]: Start difference. First operand has 139 places, 100 transitions, 1319 flow. Second operand 11 states and 1468 transitions. [2023-08-30 08:51:09,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 108 transitions, 1570 flow [2023-08-30 08:51:09,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 108 transitions, 1502 flow, removed 1 selfloop flow, removed 7 redundant places. [2023-08-30 08:51:09,321 INFO L231 Difference]: Finished difference. Result has 142 places, 92 transitions, 1183 flow [2023-08-30 08:51:09,321 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1243, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1183, PETRI_PLACES=142, PETRI_TRANSITIONS=92} [2023-08-30 08:51:09,323 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 109 predicate places. [2023-08-30 08:51:09,323 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 92 transitions, 1183 flow [2023-08-30 08:51:09,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:09,323 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:09,323 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:09,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-08-30 08:51:09,324 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:51:09,324 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:09,324 INFO L85 PathProgramCache]: Analyzing trace with hash -474922192, now seen corresponding path program 4 times [2023-08-30 08:51:09,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:09,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853518265] [2023-08-30 08:51:09,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:09,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:09,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:10,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:51:10,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:10,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853518265] [2023-08-30 08:51:10,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853518265] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:10,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:10,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:51:10,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81451437] [2023-08-30 08:51:10,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:10,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:51:10,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:10,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:51:10,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:51:11,063 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 325 [2023-08-30 08:51:11,064 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 92 transitions, 1183 flow. Second operand has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:11,064 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:11,064 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 325 [2023-08-30 08:51:11,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:11,458 INFO L130 PetriNetUnfolder]: 93/282 cut-off events. [2023-08-30 08:51:11,458 INFO L131 PetriNetUnfolder]: For 1773/1773 co-relation queries the response was YES. [2023-08-30 08:51:11,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1646 conditions, 282 events. 93/282 cut-off events. For 1773/1773 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1392 event pairs, 46 based on Foata normal form. 2/284 useless extension candidates. Maximal degree in co-relation 1531. Up to 229 conditions per place. [2023-08-30 08:51:11,461 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 79 selfloop transitions, 26 changer transitions 0/105 dead transitions. [2023-08-30 08:51:11,461 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 105 transitions, 1482 flow [2023-08-30 08:51:11,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 08:51:11,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 08:51:11,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1470 transitions. [2023-08-30 08:51:11,463 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4111888111888112 [2023-08-30 08:51:11,463 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1470 transitions. [2023-08-30 08:51:11,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1470 transitions. [2023-08-30 08:51:11,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:11,464 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1470 transitions. [2023-08-30 08:51:11,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 133.63636363636363) internal successors, (1470), 11 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:11,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:11,468 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:11,468 INFO L175 Difference]: Start difference. First operand has 142 places, 92 transitions, 1183 flow. Second operand 11 states and 1470 transitions. [2023-08-30 08:51:11,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 105 transitions, 1482 flow [2023-08-30 08:51:11,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 105 transitions, 1439 flow, removed 3 selfloop flow, removed 7 redundant places. [2023-08-30 08:51:11,479 INFO L231 Difference]: Finished difference. Result has 141 places, 96 transitions, 1274 flow [2023-08-30 08:51:11,480 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1141, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1274, PETRI_PLACES=141, PETRI_TRANSITIONS=96} [2023-08-30 08:51:11,480 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 108 predicate places. [2023-08-30 08:51:11,480 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 96 transitions, 1274 flow [2023-08-30 08:51:11,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:11,481 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:11,481 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:11,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-08-30 08:51:11,481 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:51:11,481 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:11,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1243073178, now seen corresponding path program 5 times [2023-08-30 08:51:11,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:11,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071113379] [2023-08-30 08:51:11,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:11,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:12,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:51:12,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:12,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071113379] [2023-08-30 08:51:12,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071113379] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:12,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:12,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-08-30 08:51:12,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698317982] [2023-08-30 08:51:12,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:12,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-08-30 08:51:12,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:12,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-08-30 08:51:12,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-08-30 08:51:13,332 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 325 [2023-08-30 08:51:13,333 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 96 transitions, 1274 flow. Second operand has 14 states, 14 states have (on average 131.07142857142858) internal successors, (1835), 14 states have internal predecessors, (1835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:13,333 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:13,333 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 325 [2023-08-30 08:51:13,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:13,778 INFO L130 PetriNetUnfolder]: 99/303 cut-off events. [2023-08-30 08:51:13,778 INFO L131 PetriNetUnfolder]: For 2063/2063 co-relation queries the response was YES. [2023-08-30 08:51:13,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1797 conditions, 303 events. 99/303 cut-off events. For 2063/2063 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1550 event pairs, 45 based on Foata normal form. 2/305 useless extension candidates. Maximal degree in co-relation 1660. Up to 209 conditions per place. [2023-08-30 08:51:13,782 INFO L137 encePairwiseOnDemand]: 315/325 looper letters, 72 selfloop transitions, 41 changer transitions 0/113 dead transitions. [2023-08-30 08:51:13,782 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 113 transitions, 1661 flow [2023-08-30 08:51:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 08:51:13,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 08:51:13,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1471 transitions. [2023-08-30 08:51:13,787 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41146853146853146 [2023-08-30 08:51:13,787 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1471 transitions. [2023-08-30 08:51:13,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1471 transitions. [2023-08-30 08:51:13,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:13,788 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1471 transitions. [2023-08-30 08:51:13,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 133.72727272727272) internal successors, (1471), 11 states have internal predecessors, (1471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:13,792 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:13,792 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:13,792 INFO L175 Difference]: Start difference. First operand has 141 places, 96 transitions, 1274 flow. Second operand 11 states and 1471 transitions. [2023-08-30 08:51:13,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 113 transitions, 1661 flow [2023-08-30 08:51:13,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 113 transitions, 1619 flow, removed 8 selfloop flow, removed 5 redundant places. [2023-08-30 08:51:13,806 INFO L231 Difference]: Finished difference. Result has 150 places, 103 transitions, 1472 flow [2023-08-30 08:51:13,806 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1232, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1472, PETRI_PLACES=150, PETRI_TRANSITIONS=103} [2023-08-30 08:51:13,807 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 117 predicate places. [2023-08-30 08:51:13,807 INFO L495 AbstractCegarLoop]: Abstraction has has 150 places, 103 transitions, 1472 flow [2023-08-30 08:51:13,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 131.07142857142858) internal successors, (1835), 14 states have internal predecessors, (1835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:13,808 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:13,808 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:13,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-08-30 08:51:13,808 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:51:13,809 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:13,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1784497786, now seen corresponding path program 6 times [2023-08-30 08:51:13,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:13,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851704880] [2023-08-30 08:51:13,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:13,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:14,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:51:14,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:14,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851704880] [2023-08-30 08:51:14,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851704880] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:14,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:14,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:51:14,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092622918] [2023-08-30 08:51:14,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:14,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:51:14,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:14,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:51:14,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:51:15,464 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 325 [2023-08-30 08:51:15,465 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 103 transitions, 1472 flow. Second operand has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:15,465 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:15,465 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 325 [2023-08-30 08:51:15,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:15,943 INFO L130 PetriNetUnfolder]: 101/313 cut-off events. [2023-08-30 08:51:15,943 INFO L131 PetriNetUnfolder]: For 2676/2676 co-relation queries the response was YES. [2023-08-30 08:51:15,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1956 conditions, 313 events. 101/313 cut-off events. For 2676/2676 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1640 event pairs, 36 based on Foata normal form. 2/315 useless extension candidates. Maximal degree in co-relation 1812. Up to 175 conditions per place. [2023-08-30 08:51:15,947 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 76 selfloop transitions, 49 changer transitions 0/125 dead transitions. [2023-08-30 08:51:15,947 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 125 transitions, 1866 flow [2023-08-30 08:51:15,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-30 08:51:15,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-30 08:51:15,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1745 transitions. [2023-08-30 08:51:15,950 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41301775147928993 [2023-08-30 08:51:15,950 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1745 transitions. [2023-08-30 08:51:15,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1745 transitions. [2023-08-30 08:51:15,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:15,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1745 transitions. [2023-08-30 08:51:15,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 134.23076923076923) internal successors, (1745), 13 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:15,955 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:15,956 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:15,956 INFO L175 Difference]: Start difference. First operand has 150 places, 103 transitions, 1472 flow. Second operand 13 states and 1745 transitions. [2023-08-30 08:51:15,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 125 transitions, 1866 flow [2023-08-30 08:51:15,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 125 transitions, 1799 flow, removed 12 selfloop flow, removed 5 redundant places. [2023-08-30 08:51:15,974 INFO L231 Difference]: Finished difference. Result has 162 places, 109 transitions, 1655 flow [2023-08-30 08:51:15,975 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1405, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1655, PETRI_PLACES=162, PETRI_TRANSITIONS=109} [2023-08-30 08:51:15,975 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 129 predicate places. [2023-08-30 08:51:15,976 INFO L495 AbstractCegarLoop]: Abstraction has has 162 places, 109 transitions, 1655 flow [2023-08-30 08:51:15,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:15,976 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:15,976 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:15,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-08-30 08:51:15,977 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:51:15,977 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:15,977 INFO L85 PathProgramCache]: Analyzing trace with hash 792474140, now seen corresponding path program 7 times [2023-08-30 08:51:15,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:15,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588144067] [2023-08-30 08:51:15,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:15,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:16,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:51:16,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:16,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588144067] [2023-08-30 08:51:16,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588144067] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:16,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:16,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:51:16,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029242283] [2023-08-30 08:51:16,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:16,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:51:16,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:16,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:51:16,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:51:17,608 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 325 [2023-08-30 08:51:17,609 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 109 transitions, 1655 flow. Second operand has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:17,609 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:17,609 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 325 [2023-08-30 08:51:17,609 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:18,060 INFO L130 PetriNetUnfolder]: 104/326 cut-off events. [2023-08-30 08:51:18,061 INFO L131 PetriNetUnfolder]: For 3302/3302 co-relation queries the response was YES. [2023-08-30 08:51:18,062 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2123 conditions, 326 events. 104/326 cut-off events. For 3302/3302 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1751 event pairs, 40 based on Foata normal form. 2/328 useless extension candidates. Maximal degree in co-relation 1968. Up to 225 conditions per place. [2023-08-30 08:51:18,064 INFO L137 encePairwiseOnDemand]: 313/325 looper letters, 95 selfloop transitions, 36 changer transitions 0/131 dead transitions. [2023-08-30 08:51:18,064 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 131 transitions, 2070 flow [2023-08-30 08:51:18,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-30 08:51:18,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-30 08:51:18,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1745 transitions. [2023-08-30 08:51:18,067 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41301775147928993 [2023-08-30 08:51:18,067 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1745 transitions. [2023-08-30 08:51:18,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1745 transitions. [2023-08-30 08:51:18,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:18,068 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1745 transitions. [2023-08-30 08:51:18,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 134.23076923076923) internal successors, (1745), 13 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:18,072 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:18,073 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:18,073 INFO L175 Difference]: Start difference. First operand has 162 places, 109 transitions, 1655 flow. Second operand 13 states and 1745 transitions. [2023-08-30 08:51:18,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 131 transitions, 2070 flow [2023-08-30 08:51:18,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 131 transitions, 2005 flow, removed 11 selfloop flow, removed 5 redundant places. [2023-08-30 08:51:18,090 INFO L231 Difference]: Finished difference. Result has 172 places, 116 transitions, 1782 flow [2023-08-30 08:51:18,091 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1590, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1782, PETRI_PLACES=172, PETRI_TRANSITIONS=116} [2023-08-30 08:51:18,091 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 139 predicate places. [2023-08-30 08:51:18,091 INFO L495 AbstractCegarLoop]: Abstraction has has 172 places, 116 transitions, 1782 flow [2023-08-30 08:51:18,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:18,092 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:18,092 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:18,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-08-30 08:51:18,092 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:51:18,092 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:18,093 INFO L85 PathProgramCache]: Analyzing trace with hash 672714394, now seen corresponding path program 3 times [2023-08-30 08:51:18,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:18,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080728798] [2023-08-30 08:51:18,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:18,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:18,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:18,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:51:18,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:18,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080728798] [2023-08-30 08:51:18,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080728798] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:18,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:18,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:51:18,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358931177] [2023-08-30 08:51:18,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:18,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:51:18,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:18,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:51:18,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:51:19,643 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 325 [2023-08-30 08:51:19,644 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 116 transitions, 1782 flow. Second operand has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:19,644 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:19,644 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 325 [2023-08-30 08:51:19,644 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:20,194 INFO L130 PetriNetUnfolder]: 106/334 cut-off events. [2023-08-30 08:51:20,195 INFO L131 PetriNetUnfolder]: For 3543/3543 co-relation queries the response was YES. [2023-08-30 08:51:20,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2218 conditions, 334 events. 106/334 cut-off events. For 3543/3543 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1806 event pairs, 47 based on Foata normal form. 4/338 useless extension candidates. Maximal degree in co-relation 2051. Up to 214 conditions per place. [2023-08-30 08:51:20,199 INFO L137 encePairwiseOnDemand]: 313/325 looper letters, 90 selfloop transitions, 38 changer transitions 9/137 dead transitions. [2023-08-30 08:51:20,199 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 137 transitions, 2226 flow [2023-08-30 08:51:20,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-08-30 08:51:20,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-08-30 08:51:20,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2436 transitions. [2023-08-30 08:51:20,203 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4164102564102564 [2023-08-30 08:51:20,203 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2436 transitions. [2023-08-30 08:51:20,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2436 transitions. [2023-08-30 08:51:20,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:20,204 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2436 transitions. [2023-08-30 08:51:20,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 135.33333333333334) internal successors, (2436), 18 states have internal predecessors, (2436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:20,210 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 325.0) internal successors, (6175), 19 states have internal predecessors, (6175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:20,211 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 325.0) internal successors, (6175), 19 states have internal predecessors, (6175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:20,211 INFO L175 Difference]: Start difference. First operand has 172 places, 116 transitions, 1782 flow. Second operand 18 states and 2436 transitions. [2023-08-30 08:51:20,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 137 transitions, 2226 flow [2023-08-30 08:51:20,228 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 137 transitions, 2129 flow, removed 16 selfloop flow, removed 9 redundant places. [2023-08-30 08:51:20,230 INFO L231 Difference]: Finished difference. Result has 182 places, 114 transitions, 1802 flow [2023-08-30 08:51:20,231 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1638, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=1802, PETRI_PLACES=182, PETRI_TRANSITIONS=114} [2023-08-30 08:51:20,231 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 149 predicate places. [2023-08-30 08:51:20,231 INFO L495 AbstractCegarLoop]: Abstraction has has 182 places, 114 transitions, 1802 flow [2023-08-30 08:51:20,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:20,232 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:20,232 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:20,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-08-30 08:51:20,232 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:51:20,233 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:20,233 INFO L85 PathProgramCache]: Analyzing trace with hash 699468634, now seen corresponding path program 4 times [2023-08-30 08:51:20,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:20,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593694111] [2023-08-30 08:51:20,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:20,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:21,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:51:21,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:21,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593694111] [2023-08-30 08:51:21,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593694111] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:21,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:21,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:51:21,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580867439] [2023-08-30 08:51:21,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:21,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:51:21,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:21,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:51:21,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:51:21,939 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 325 [2023-08-30 08:51:21,940 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 114 transitions, 1802 flow. Second operand has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:21,940 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:21,940 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 325 [2023-08-30 08:51:21,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:22,246 INFO L130 PetriNetUnfolder]: 92/291 cut-off events. [2023-08-30 08:51:22,246 INFO L131 PetriNetUnfolder]: For 3242/3242 co-relation queries the response was YES. [2023-08-30 08:51:22,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1996 conditions, 291 events. 92/291 cut-off events. For 3242/3242 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1497 event pairs, 41 based on Foata normal form. 2/293 useless extension candidates. Maximal degree in co-relation 1881. Up to 224 conditions per place. [2023-08-30 08:51:22,252 INFO L137 encePairwiseOnDemand]: 313/325 looper letters, 89 selfloop transitions, 33 changer transitions 0/122 dead transitions. [2023-08-30 08:51:22,252 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 122 transitions, 2057 flow [2023-08-30 08:51:22,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-30 08:51:22,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-30 08:51:22,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1628 transitions. [2023-08-30 08:51:22,255 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41743589743589743 [2023-08-30 08:51:22,255 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1628 transitions. [2023-08-30 08:51:22,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1628 transitions. [2023-08-30 08:51:22,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:22,256 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1628 transitions. [2023-08-30 08:51:22,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 135.66666666666666) internal successors, (1628), 12 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:22,260 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:22,260 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:22,261 INFO L175 Difference]: Start difference. First operand has 182 places, 114 transitions, 1802 flow. Second operand 12 states and 1628 transitions. [2023-08-30 08:51:22,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 122 transitions, 2057 flow [2023-08-30 08:51:22,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 122 transitions, 1907 flow, removed 22 selfloop flow, removed 22 redundant places. [2023-08-30 08:51:22,277 INFO L231 Difference]: Finished difference. Result has 165 places, 113 transitions, 1694 flow [2023-08-30 08:51:22,277 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1628, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1694, PETRI_PLACES=165, PETRI_TRANSITIONS=113} [2023-08-30 08:51:22,278 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 132 predicate places. [2023-08-30 08:51:22,278 INFO L495 AbstractCegarLoop]: Abstraction has has 165 places, 113 transitions, 1694 flow [2023-08-30 08:51:22,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:22,278 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:22,278 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:22,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-08-30 08:51:22,279 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:51:22,279 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:22,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1433504260, now seen corresponding path program 5 times [2023-08-30 08:51:22,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:22,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101395406] [2023-08-30 08:51:22,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:22,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:23,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:51:23,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:23,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101395406] [2023-08-30 08:51:23,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101395406] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:23,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:23,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:51:23,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595190873] [2023-08-30 08:51:23,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:23,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:51:23,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:23,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:51:23,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:51:24,011 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 325 [2023-08-30 08:51:24,012 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 113 transitions, 1694 flow. Second operand has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:24,012 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:24,012 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 325 [2023-08-30 08:51:24,013 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:24,403 INFO L130 PetriNetUnfolder]: 90/285 cut-off events. [2023-08-30 08:51:24,403 INFO L131 PetriNetUnfolder]: For 2764/2764 co-relation queries the response was YES. [2023-08-30 08:51:24,404 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1869 conditions, 285 events. 90/285 cut-off events. For 2764/2764 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1458 event pairs, 37 based on Foata normal form. 4/289 useless extension candidates. Maximal degree in co-relation 1719. Up to 166 conditions per place. [2023-08-30 08:51:24,406 INFO L137 encePairwiseOnDemand]: 315/325 looper letters, 59 selfloop transitions, 32 changer transitions 31/122 dead transitions. [2023-08-30 08:51:24,406 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 122 transitions, 1981 flow [2023-08-30 08:51:24,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-30 08:51:24,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-30 08:51:24,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1627 transitions. [2023-08-30 08:51:24,409 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41717948717948716 [2023-08-30 08:51:24,409 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1627 transitions. [2023-08-30 08:51:24,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1627 transitions. [2023-08-30 08:51:24,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:24,410 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1627 transitions. [2023-08-30 08:51:24,411 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 135.58333333333334) internal successors, (1627), 12 states have internal predecessors, (1627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:24,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:24,415 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:24,415 INFO L175 Difference]: Start difference. First operand has 165 places, 113 transitions, 1694 flow. Second operand 12 states and 1627 transitions. [2023-08-30 08:51:24,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 122 transitions, 1981 flow [2023-08-30 08:51:24,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 122 transitions, 1905 flow, removed 0 selfloop flow, removed 9 redundant places. [2023-08-30 08:51:24,429 INFO L231 Difference]: Finished difference. Result has 168 places, 90 transitions, 1259 flow [2023-08-30 08:51:24,429 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1575, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1259, PETRI_PLACES=168, PETRI_TRANSITIONS=90} [2023-08-30 08:51:24,430 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 135 predicate places. [2023-08-30 08:51:24,430 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 90 transitions, 1259 flow [2023-08-30 08:51:24,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:24,431 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:24,431 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:24,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-08-30 08:51:24,431 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:51:24,431 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:24,432 INFO L85 PathProgramCache]: Analyzing trace with hash -172649034, now seen corresponding path program 6 times [2023-08-30 08:51:24,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:24,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145118266] [2023-08-30 08:51:24,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:24,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:25,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:51:25,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:25,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145118266] [2023-08-30 08:51:25,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145118266] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:25,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:25,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:51:25,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511888891] [2023-08-30 08:51:25,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:25,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:51:25,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:25,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:51:25,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:51:26,020 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 325 [2023-08-30 08:51:26,021 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 90 transitions, 1259 flow. Second operand has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:26,021 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:26,021 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 325 [2023-08-30 08:51:26,021 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:26,413 INFO L130 PetriNetUnfolder]: 67/216 cut-off events. [2023-08-30 08:51:26,413 INFO L131 PetriNetUnfolder]: For 1849/1849 co-relation queries the response was YES. [2023-08-30 08:51:26,415 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1425 conditions, 216 events. 67/216 cut-off events. For 1849/1849 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 986 event pairs, 25 based on Foata normal form. 2/218 useless extension candidates. Maximal degree in co-relation 1375. Up to 120 conditions per place. [2023-08-30 08:51:26,416 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 56 selfloop transitions, 35 changer transitions 10/101 dead transitions. [2023-08-30 08:51:26,416 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 101 transitions, 1470 flow [2023-08-30 08:51:26,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-08-30 08:51:26,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-08-30 08:51:26,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1897 transitions. [2023-08-30 08:51:26,418 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4169230769230769 [2023-08-30 08:51:26,419 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1897 transitions. [2023-08-30 08:51:26,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1897 transitions. [2023-08-30 08:51:26,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:26,419 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1897 transitions. [2023-08-30 08:51:26,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 135.5) internal successors, (1897), 14 states have internal predecessors, (1897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:26,424 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 325.0) internal successors, (4875), 15 states have internal predecessors, (4875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:26,425 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 325.0) internal successors, (4875), 15 states have internal predecessors, (4875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:26,425 INFO L175 Difference]: Start difference. First operand has 168 places, 90 transitions, 1259 flow. Second operand 14 states and 1897 transitions. [2023-08-30 08:51:26,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 101 transitions, 1470 flow [2023-08-30 08:51:26,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 101 transitions, 1319 flow, removed 18 selfloop flow, removed 17 redundant places. [2023-08-30 08:51:26,435 INFO L231 Difference]: Finished difference. Result has 152 places, 84 transitions, 1096 flow [2023-08-30 08:51:26,435 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=1086, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1096, PETRI_PLACES=152, PETRI_TRANSITIONS=84} [2023-08-30 08:51:26,435 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 119 predicate places. [2023-08-30 08:51:26,436 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 84 transitions, 1096 flow [2023-08-30 08:51:26,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:26,436 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:26,436 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:26,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-08-30 08:51:26,437 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:51:26,437 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:26,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1877503292, now seen corresponding path program 7 times [2023-08-30 08:51:26,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:26,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602208688] [2023-08-30 08:51:26,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:26,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:27,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:51:27,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:27,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602208688] [2023-08-30 08:51:27,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602208688] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:27,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:27,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:51:27,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14490679] [2023-08-30 08:51:27,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:27,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:51:27,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:27,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:51:27,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:51:27,807 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 325 [2023-08-30 08:51:27,808 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 84 transitions, 1096 flow. Second operand has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:27,808 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:27,808 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 325 [2023-08-30 08:51:27,808 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:28,256 INFO L130 PetriNetUnfolder]: 59/193 cut-off events. [2023-08-30 08:51:28,256 INFO L131 PetriNetUnfolder]: For 1342/1342 co-relation queries the response was YES. [2023-08-30 08:51:28,257 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1231 conditions, 193 events. 59/193 cut-off events. For 1342/1342 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 843 event pairs, 22 based on Foata normal form. 2/195 useless extension candidates. Maximal degree in co-relation 1192. Up to 120 conditions per place. [2023-08-30 08:51:28,258 INFO L137 encePairwiseOnDemand]: 315/325 looper letters, 47 selfloop transitions, 23 changer transitions 19/89 dead transitions. [2023-08-30 08:51:28,258 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 89 transitions, 1269 flow [2023-08-30 08:51:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-30 08:51:28,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-30 08:51:28,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1757 transitions. [2023-08-30 08:51:28,261 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4158579881656805 [2023-08-30 08:51:28,261 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1757 transitions. [2023-08-30 08:51:28,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1757 transitions. [2023-08-30 08:51:28,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:28,262 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1757 transitions. [2023-08-30 08:51:28,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 135.15384615384616) internal successors, (1757), 13 states have internal predecessors, (1757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:28,266 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:28,267 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:28,267 INFO L175 Difference]: Start difference. First operand has 152 places, 84 transitions, 1096 flow. Second operand 13 states and 1757 transitions. [2023-08-30 08:51:28,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 89 transitions, 1269 flow [2023-08-30 08:51:28,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 89 transitions, 1183 flow, removed 3 selfloop flow, removed 17 redundant places. [2023-08-30 08:51:28,275 INFO L231 Difference]: Finished difference. Result has 145 places, 69 transitions, 823 flow [2023-08-30 08:51:28,275 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=990, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=823, PETRI_PLACES=145, PETRI_TRANSITIONS=69} [2023-08-30 08:51:28,275 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 112 predicate places. [2023-08-30 08:51:28,276 INFO L495 AbstractCegarLoop]: Abstraction has has 145 places, 69 transitions, 823 flow [2023-08-30 08:51:28,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:28,276 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:28,276 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:28,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-08-30 08:51:28,277 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:51:28,277 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:28,277 INFO L85 PathProgramCache]: Analyzing trace with hash 846934010, now seen corresponding path program 8 times [2023-08-30 08:51:28,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:28,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971289170] [2023-08-30 08:51:28,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:28,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:29,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:51:29,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:29,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971289170] [2023-08-30 08:51:29,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971289170] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:29,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:29,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:51:29,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693706798] [2023-08-30 08:51:29,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:29,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:51:29,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:29,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:51:29,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:51:29,801 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 325 [2023-08-30 08:51:29,801 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 69 transitions, 823 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:29,801 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:29,802 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 325 [2023-08-30 08:51:29,802 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:30,158 INFO L130 PetriNetUnfolder]: 33/127 cut-off events. [2023-08-30 08:51:30,158 INFO L131 PetriNetUnfolder]: For 807/807 co-relation queries the response was YES. [2023-08-30 08:51:30,159 INFO L83 FinitePrefix]: Finished finitePrefix Result has 845 conditions, 127 events. 33/127 cut-off events. For 807/807 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 502 event pairs, 8 based on Foata normal form. 2/129 useless extension candidates. Maximal degree in co-relation 809. Up to 72 conditions per place. [2023-08-30 08:51:30,159 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 43 selfloop transitions, 22 changer transitions 7/73 dead transitions. [2023-08-30 08:51:30,159 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 73 transitions, 963 flow [2023-08-30 08:51:30,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 08:51:30,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 08:51:30,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1489 transitions. [2023-08-30 08:51:30,161 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4165034965034965 [2023-08-30 08:51:30,161 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1489 transitions. [2023-08-30 08:51:30,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1489 transitions. [2023-08-30 08:51:30,161 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:30,161 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1489 transitions. [2023-08-30 08:51:30,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 135.36363636363637) internal successors, (1489), 11 states have internal predecessors, (1489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:30,165 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:30,166 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:30,166 INFO L175 Difference]: Start difference. First operand has 145 places, 69 transitions, 823 flow. Second operand 11 states and 1489 transitions. [2023-08-30 08:51:30,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 73 transitions, 963 flow [2023-08-30 08:51:30,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 73 transitions, 823 flow, removed 11 selfloop flow, removed 22 redundant places. [2023-08-30 08:51:30,171 INFO L231 Difference]: Finished difference. Result has 120 places, 63 transitions, 665 flow [2023-08-30 08:51:30,171 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=666, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=665, PETRI_PLACES=120, PETRI_TRANSITIONS=63} [2023-08-30 08:51:30,171 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 87 predicate places. [2023-08-30 08:51:30,171 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 63 transitions, 665 flow [2023-08-30 08:51:30,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:30,172 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:30,172 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:30,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-08-30 08:51:30,172 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:51:30,173 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:30,173 INFO L85 PathProgramCache]: Analyzing trace with hash -524857780, now seen corresponding path program 9 times [2023-08-30 08:51:30,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:30,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796532965] [2023-08-30 08:51:30,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:30,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:30,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:51:30,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:30,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796532965] [2023-08-30 08:51:30,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796532965] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:30,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:30,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:51:30,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146355411] [2023-08-30 08:51:30,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:30,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:51:30,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:30,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:51:30,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:51:31,784 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 325 [2023-08-30 08:51:31,785 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 63 transitions, 665 flow. Second operand has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:31,785 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:31,785 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 325 [2023-08-30 08:51:31,785 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:32,080 INFO L130 PetriNetUnfolder]: 45/135 cut-off events. [2023-08-30 08:51:32,080 INFO L131 PetriNetUnfolder]: For 480/480 co-relation queries the response was YES. [2023-08-30 08:51:32,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 737 conditions, 135 events. 45/135 cut-off events. For 480/480 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 468 event pairs, 16 based on Foata normal form. 2/137 useless extension candidates. Maximal degree in co-relation 712. Up to 99 conditions per place. [2023-08-30 08:51:32,081 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 43 selfloop transitions, 6 changer transitions 19/68 dead transitions. [2023-08-30 08:51:32,081 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 68 transitions, 801 flow [2023-08-30 08:51:32,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 08:51:32,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 08:51:32,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1466 transitions. [2023-08-30 08:51:32,083 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4100699300699301 [2023-08-30 08:51:32,083 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1466 transitions. [2023-08-30 08:51:32,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1466 transitions. [2023-08-30 08:51:32,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:32,083 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1466 transitions. [2023-08-30 08:51:32,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 133.27272727272728) internal successors, (1466), 11 states have internal predecessors, (1466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:32,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:32,088 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:32,088 INFO L175 Difference]: Start difference. First operand has 120 places, 63 transitions, 665 flow. Second operand 11 states and 1466 transitions. [2023-08-30 08:51:32,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 68 transitions, 801 flow [2023-08-30 08:51:32,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 68 transitions, 746 flow, removed 0 selfloop flow, removed 10 redundant places. [2023-08-30 08:51:32,092 INFO L231 Difference]: Finished difference. Result has 113 places, 48 transitions, 472 flow [2023-08-30 08:51:32,092 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=472, PETRI_PLACES=113, PETRI_TRANSITIONS=48} [2023-08-30 08:51:32,092 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 80 predicate places. [2023-08-30 08:51:32,092 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 48 transitions, 472 flow [2023-08-30 08:51:32,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:32,093 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:32,093 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:32,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-08-30 08:51:32,093 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:51:32,094 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:32,094 INFO L85 PathProgramCache]: Analyzing trace with hash 667066974, now seen corresponding path program 8 times [2023-08-30 08:51:32,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:32,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267926255] [2023-08-30 08:51:32,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:32,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:32,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:51:32,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:32,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267926255] [2023-08-30 08:51:32,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267926255] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:32,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:32,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:51:32,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585810649] [2023-08-30 08:51:32,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:32,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:51:32,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:32,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:51:32,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:51:33,444 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 325 [2023-08-30 08:51:33,445 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 48 transitions, 472 flow. Second operand has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:33,445 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:33,445 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 325 [2023-08-30 08:51:33,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:33,811 INFO L130 PetriNetUnfolder]: 46/139 cut-off events. [2023-08-30 08:51:33,811 INFO L131 PetriNetUnfolder]: For 417/417 co-relation queries the response was YES. [2023-08-30 08:51:33,812 INFO L83 FinitePrefix]: Finished finitePrefix Result has 720 conditions, 139 events. 46/139 cut-off events. For 417/417 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 488 event pairs, 11 based on Foata normal form. 2/141 useless extension candidates. Maximal degree in co-relation 696. Up to 34 conditions per place. [2023-08-30 08:51:33,813 INFO L137 encePairwiseOnDemand]: 313/325 looper letters, 40 selfloop transitions, 32 changer transitions 0/72 dead transitions. [2023-08-30 08:51:33,813 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 72 transitions, 759 flow [2023-08-30 08:51:33,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-08-30 08:51:33,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-08-30 08:51:33,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2030 transitions. [2023-08-30 08:51:33,815 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4164102564102564 [2023-08-30 08:51:33,815 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2030 transitions. [2023-08-30 08:51:33,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2030 transitions. [2023-08-30 08:51:33,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:33,816 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2030 transitions. [2023-08-30 08:51:33,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 135.33333333333334) internal successors, (2030), 15 states have internal predecessors, (2030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:33,821 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 325.0) internal successors, (5200), 16 states have internal predecessors, (5200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:33,822 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 325.0) internal successors, (5200), 16 states have internal predecessors, (5200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:33,822 INFO L175 Difference]: Start difference. First operand has 113 places, 48 transitions, 472 flow. Second operand 15 states and 2030 transitions. [2023-08-30 08:51:33,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 72 transitions, 759 flow [2023-08-30 08:51:33,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 72 transitions, 695 flow, removed 9 selfloop flow, removed 13 redundant places. [2023-08-30 08:51:33,825 INFO L231 Difference]: Finished difference. Result has 97 places, 57 transitions, 591 flow [2023-08-30 08:51:33,825 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=423, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=591, PETRI_PLACES=97, PETRI_TRANSITIONS=57} [2023-08-30 08:51:33,826 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 64 predicate places. [2023-08-30 08:51:33,826 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 57 transitions, 591 flow [2023-08-30 08:51:33,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:33,826 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:33,826 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:33,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-08-30 08:51:33,827 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:51:33,827 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:33,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1340144268, now seen corresponding path program 10 times [2023-08-30 08:51:33,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:33,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619028313] [2023-08-30 08:51:33,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:33,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:34,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:51:34,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:34,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619028313] [2023-08-30 08:51:34,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619028313] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:34,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:34,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-30 08:51:34,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221679241] [2023-08-30 08:51:34,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:34,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-30 08:51:34,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:34,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-30 08:51:34,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-08-30 08:51:35,216 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 325 [2023-08-30 08:51:35,217 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 57 transitions, 591 flow. Second operand has 12 states, 12 states have (on average 137.16666666666666) internal successors, (1646), 12 states have internal predecessors, (1646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:35,217 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:35,217 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 325 [2023-08-30 08:51:35,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:35,629 INFO L130 PetriNetUnfolder]: 33/131 cut-off events. [2023-08-30 08:51:35,629 INFO L131 PetriNetUnfolder]: For 442/442 co-relation queries the response was YES. [2023-08-30 08:51:35,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 769 conditions, 131 events. 33/131 cut-off events. For 442/442 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 536 event pairs, 8 based on Foata normal form. 2/133 useless extension candidates. Maximal degree in co-relation 748. Up to 66 conditions per place. [2023-08-30 08:51:35,631 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 41 selfloop transitions, 25 changer transitions 9/76 dead transitions. [2023-08-30 08:51:35,631 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 76 transitions, 868 flow [2023-08-30 08:51:35,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-30 08:51:35,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-30 08:51:35,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1812 transitions. [2023-08-30 08:51:35,634 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4288757396449704 [2023-08-30 08:51:35,634 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1812 transitions. [2023-08-30 08:51:35,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1812 transitions. [2023-08-30 08:51:35,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:35,635 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1812 transitions. [2023-08-30 08:51:35,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 139.3846153846154) internal successors, (1812), 13 states have internal predecessors, (1812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:35,639 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:35,640 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:35,640 INFO L175 Difference]: Start difference. First operand has 97 places, 57 transitions, 591 flow. Second operand 13 states and 1812 transitions. [2023-08-30 08:51:35,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 76 transitions, 868 flow [2023-08-30 08:51:35,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 76 transitions, 821 flow, removed 5 selfloop flow, removed 8 redundant places. [2023-08-30 08:51:35,644 INFO L231 Difference]: Finished difference. Result has 105 places, 59 transitions, 644 flow [2023-08-30 08:51:35,644 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=548, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=644, PETRI_PLACES=105, PETRI_TRANSITIONS=59} [2023-08-30 08:51:35,644 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 72 predicate places. [2023-08-30 08:51:35,644 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 59 transitions, 644 flow [2023-08-30 08:51:35,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 137.16666666666666) internal successors, (1646), 12 states have internal predecessors, (1646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:35,645 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:35,645 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:35,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-08-30 08:51:35,645 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:51:35,646 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:35,646 INFO L85 PathProgramCache]: Analyzing trace with hash 667156180, now seen corresponding path program 11 times [2023-08-30 08:51:35,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:35,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538529666] [2023-08-30 08:51:35,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:35,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:36,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:51:36,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:36,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538529666] [2023-08-30 08:51:36,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538529666] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:36,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:36,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:51:36,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796227801] [2023-08-30 08:51:36,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:36,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:51:36,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:36,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:51:36,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:51:37,136 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 325 [2023-08-30 08:51:37,137 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 59 transitions, 644 flow. Second operand has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:37,137 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:37,138 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 325 [2023-08-30 08:51:37,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:37,500 INFO L130 PetriNetUnfolder]: 47/154 cut-off events. [2023-08-30 08:51:37,500 INFO L131 PetriNetUnfolder]: For 613/613 co-relation queries the response was YES. [2023-08-30 08:51:37,500 INFO L83 FinitePrefix]: Finished finitePrefix Result has 851 conditions, 154 events. 47/154 cut-off events. For 613/613 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 598 event pairs, 16 based on Foata normal form. 2/156 useless extension candidates. Maximal degree in co-relation 826. Up to 56 conditions per place. [2023-08-30 08:51:37,501 INFO L137 encePairwiseOnDemand]: 313/325 looper letters, 41 selfloop transitions, 28 changer transitions 10/79 dead transitions. [2023-08-30 08:51:37,501 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 79 transitions, 896 flow [2023-08-30 08:51:37,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-30 08:51:37,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-30 08:51:37,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1742 transitions. [2023-08-30 08:51:37,502 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4123076923076923 [2023-08-30 08:51:37,503 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1742 transitions. [2023-08-30 08:51:37,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1742 transitions. [2023-08-30 08:51:37,503 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:37,503 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1742 transitions. [2023-08-30 08:51:37,505 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 134.0) internal successors, (1742), 13 states have internal predecessors, (1742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:37,507 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:37,508 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 325.0) internal successors, (4550), 14 states have internal predecessors, (4550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:37,508 INFO L175 Difference]: Start difference. First operand has 105 places, 59 transitions, 644 flow. Second operand 13 states and 1742 transitions. [2023-08-30 08:51:37,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 79 transitions, 896 flow [2023-08-30 08:51:37,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 79 transitions, 855 flow, removed 5 selfloop flow, removed 8 redundant places. [2023-08-30 08:51:37,512 INFO L231 Difference]: Finished difference. Result has 110 places, 56 transitions, 648 flow [2023-08-30 08:51:37,512 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=605, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=648, PETRI_PLACES=110, PETRI_TRANSITIONS=56} [2023-08-30 08:51:37,512 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 77 predicate places. [2023-08-30 08:51:37,512 INFO L495 AbstractCegarLoop]: Abstraction has has 110 places, 56 transitions, 648 flow [2023-08-30 08:51:37,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:37,513 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:37,513 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:37,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-08-30 08:51:37,513 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:51:37,513 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:37,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1807186516, now seen corresponding path program 12 times [2023-08-30 08:51:37,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:37,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115205743] [2023-08-30 08:51:37,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:37,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:38,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:51:38,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:38,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115205743] [2023-08-30 08:51:38,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115205743] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:38,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:38,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-30 08:51:38,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3286552] [2023-08-30 08:51:38,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:38,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-30 08:51:38,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:38,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-30 08:51:38,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-08-30 08:51:38,885 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 325 [2023-08-30 08:51:38,885 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 56 transitions, 648 flow. Second operand has 12 states, 12 states have (on average 137.16666666666666) internal successors, (1646), 12 states have internal predecessors, (1646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:38,886 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:38,886 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 325 [2023-08-30 08:51:38,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:39,146 INFO L130 PetriNetUnfolder]: 24/103 cut-off events. [2023-08-30 08:51:39,146 INFO L131 PetriNetUnfolder]: For 507/507 co-relation queries the response was YES. [2023-08-30 08:51:39,147 INFO L83 FinitePrefix]: Finished finitePrefix Result has 664 conditions, 103 events. 24/103 cut-off events. For 507/507 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 363 event pairs, 6 based on Foata normal form. 2/105 useless extension candidates. Maximal degree in co-relation 639. Up to 60 conditions per place. [2023-08-30 08:51:39,148 INFO L137 encePairwiseOnDemand]: 315/325 looper letters, 30 selfloop transitions, 17 changer transitions 13/61 dead transitions. [2023-08-30 08:51:39,148 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 61 transitions, 768 flow [2023-08-30 08:51:39,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 08:51:39,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 08:51:39,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1528 transitions. [2023-08-30 08:51:39,149 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4274125874125874 [2023-08-30 08:51:39,149 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1528 transitions. [2023-08-30 08:51:39,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1528 transitions. [2023-08-30 08:51:39,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:39,150 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1528 transitions. [2023-08-30 08:51:39,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 138.9090909090909) internal successors, (1528), 11 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:39,154 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:39,154 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:39,154 INFO L175 Difference]: Start difference. First operand has 110 places, 56 transitions, 648 flow. Second operand 11 states and 1528 transitions. [2023-08-30 08:51:39,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 61 transitions, 768 flow [2023-08-30 08:51:39,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 61 transitions, 702 flow, removed 3 selfloop flow, removed 10 redundant places. [2023-08-30 08:51:39,157 INFO L231 Difference]: Finished difference. Result has 109 places, 47 transitions, 502 flow [2023-08-30 08:51:39,158 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=566, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=502, PETRI_PLACES=109, PETRI_TRANSITIONS=47} [2023-08-30 08:51:39,158 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 76 predicate places. [2023-08-30 08:51:39,158 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 47 transitions, 502 flow [2023-08-30 08:51:39,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 137.16666666666666) internal successors, (1646), 12 states have internal predecessors, (1646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:39,158 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:39,158 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:39,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-08-30 08:51:39,159 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:51:39,159 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:39,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1164883834, now seen corresponding path program 9 times [2023-08-30 08:51:39,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:39,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110841895] [2023-08-30 08:51:39,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:39,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:39,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:51:39,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:39,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110841895] [2023-08-30 08:51:39,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110841895] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:39,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:39,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:51:39,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078361218] [2023-08-30 08:51:39,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:39,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:51:39,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:39,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:51:39,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:51:40,653 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 325 [2023-08-30 08:51:40,654 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 47 transitions, 502 flow. Second operand has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:40,654 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:40,654 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 325 [2023-08-30 08:51:40,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:40,917 INFO L130 PetriNetUnfolder]: 30/104 cut-off events. [2023-08-30 08:51:40,917 INFO L131 PetriNetUnfolder]: For 321/321 co-relation queries the response was YES. [2023-08-30 08:51:40,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 591 conditions, 104 events. 30/104 cut-off events. For 321/321 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 312 event pairs, 14 based on Foata normal form. 2/106 useless extension candidates. Maximal degree in co-relation 569. Up to 60 conditions per place. [2023-08-30 08:51:40,922 INFO L137 encePairwiseOnDemand]: 315/325 looper letters, 35 selfloop transitions, 18 changer transitions 0/53 dead transitions. [2023-08-30 08:51:40,922 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 53 transitions, 616 flow [2023-08-30 08:51:40,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 08:51:40,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 08:51:40,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1485 transitions. [2023-08-30 08:51:40,925 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4153846153846154 [2023-08-30 08:51:40,925 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1485 transitions. [2023-08-30 08:51:40,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1485 transitions. [2023-08-30 08:51:40,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:40,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1485 transitions. [2023-08-30 08:51:40,927 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 135.0) internal successors, (1485), 11 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:40,929 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:40,929 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:40,929 INFO L175 Difference]: Start difference. First operand has 109 places, 47 transitions, 502 flow. Second operand 11 states and 1485 transitions. [2023-08-30 08:51:40,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 53 transitions, 616 flow [2023-08-30 08:51:40,931 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 53 transitions, 565 flow, removed 2 selfloop flow, removed 11 redundant places. [2023-08-30 08:51:40,932 INFO L231 Difference]: Finished difference. Result has 104 places, 47 transitions, 489 flow [2023-08-30 08:51:40,932 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=430, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=489, PETRI_PLACES=104, PETRI_TRANSITIONS=47} [2023-08-30 08:51:40,933 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 71 predicate places. [2023-08-30 08:51:40,933 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 47 transitions, 489 flow [2023-08-30 08:51:40,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:40,933 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:40,934 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:40,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-08-30 08:51:40,934 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:51:40,934 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:40,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1313390028, now seen corresponding path program 13 times [2023-08-30 08:51:40,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:40,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974967840] [2023-08-30 08:51:40,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:40,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:41,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:51:41,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:41,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974967840] [2023-08-30 08:51:41,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974967840] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:41,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:41,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:51:41,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660443160] [2023-08-30 08:51:41,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:41,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:51:41,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:41,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:51:41,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:51:42,416 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 325 [2023-08-30 08:51:42,417 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 47 transitions, 489 flow. Second operand has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:42,418 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:42,418 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 325 [2023-08-30 08:51:42,418 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:42,691 INFO L130 PetriNetUnfolder]: 29/101 cut-off events. [2023-08-30 08:51:42,692 INFO L131 PetriNetUnfolder]: For 259/259 co-relation queries the response was YES. [2023-08-30 08:51:42,692 INFO L83 FinitePrefix]: Finished finitePrefix Result has 559 conditions, 101 events. 29/101 cut-off events. For 259/259 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 300 event pairs, 13 based on Foata normal form. 2/103 useless extension candidates. Maximal degree in co-relation 539. Up to 60 conditions per place. [2023-08-30 08:51:42,692 INFO L137 encePairwiseOnDemand]: 315/325 looper letters, 28 selfloop transitions, 12 changer transitions 12/52 dead transitions. [2023-08-30 08:51:42,692 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 52 transitions, 592 flow [2023-08-30 08:51:42,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 08:51:42,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 08:51:42,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1462 transitions. [2023-08-30 08:51:42,694 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40895104895104895 [2023-08-30 08:51:42,694 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1462 transitions. [2023-08-30 08:51:42,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1462 transitions. [2023-08-30 08:51:42,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:42,695 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1462 transitions. [2023-08-30 08:51:42,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 132.9090909090909) internal successors, (1462), 11 states have internal predecessors, (1462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:42,698 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:42,699 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:42,699 INFO L175 Difference]: Start difference. First operand has 104 places, 47 transitions, 489 flow. Second operand 11 states and 1462 transitions. [2023-08-30 08:51:42,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 52 transitions, 592 flow [2023-08-30 08:51:42,701 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 52 transitions, 559 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-08-30 08:51:42,702 INFO L231 Difference]: Finished difference. Result has 106 places, 39 transitions, 388 flow [2023-08-30 08:51:42,702 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=388, PETRI_PLACES=106, PETRI_TRANSITIONS=39} [2023-08-30 08:51:42,702 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 73 predicate places. [2023-08-30 08:51:42,703 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 39 transitions, 388 flow [2023-08-30 08:51:42,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:42,703 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:42,703 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:42,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-08-30 08:51:42,703 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:51:42,704 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:42,704 INFO L85 PathProgramCache]: Analyzing trace with hash 721526844, now seen corresponding path program 10 times [2023-08-30 08:51:42,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:42,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492821149] [2023-08-30 08:51:42,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:42,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:43,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:51:43,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:43,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492821149] [2023-08-30 08:51:43,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492821149] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:43,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:43,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:51:43,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680968992] [2023-08-30 08:51:43,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:43,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:51:43,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:43,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:51:43,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:51:43,982 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 325 [2023-08-30 08:51:43,983 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 39 transitions, 388 flow. Second operand has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:43,983 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:43,983 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 325 [2023-08-30 08:51:43,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:44,217 INFO L130 PetriNetUnfolder]: 22/77 cut-off events. [2023-08-30 08:51:44,217 INFO L131 PetriNetUnfolder]: For 195/195 co-relation queries the response was YES. [2023-08-30 08:51:44,217 INFO L83 FinitePrefix]: Finished finitePrefix Result has 421 conditions, 77 events. 22/77 cut-off events. For 195/195 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 180 event pairs, 8 based on Foata normal form. 2/79 useless extension candidates. Maximal degree in co-relation 400. Up to 34 conditions per place. [2023-08-30 08:51:44,217 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 29 selfloop transitions, 16 changer transitions 0/45 dead transitions. [2023-08-30 08:51:44,217 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 45 transitions, 474 flow [2023-08-30 08:51:44,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 08:51:44,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 08:51:44,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1485 transitions. [2023-08-30 08:51:44,219 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4153846153846154 [2023-08-30 08:51:44,219 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1485 transitions. [2023-08-30 08:51:44,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1485 transitions. [2023-08-30 08:51:44,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:44,219 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1485 transitions. [2023-08-30 08:51:44,220 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 135.0) internal successors, (1485), 11 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:44,222 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:44,222 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:44,222 INFO L175 Difference]: Start difference. First operand has 106 places, 39 transitions, 388 flow. Second operand 11 states and 1485 transitions. [2023-08-30 08:51:44,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 45 transitions, 474 flow [2023-08-30 08:51:44,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 45 transitions, 406 flow, removed 4 selfloop flow, removed 13 redundant places. [2023-08-30 08:51:44,224 INFO L231 Difference]: Finished difference. Result has 93 places, 38 transitions, 329 flow [2023-08-30 08:51:44,224 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=297, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=329, PETRI_PLACES=93, PETRI_TRANSITIONS=38} [2023-08-30 08:51:44,224 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 60 predicate places. [2023-08-30 08:51:44,224 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 38 transitions, 329 flow [2023-08-30 08:51:44,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:44,225 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:44,225 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:44,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-08-30 08:51:44,225 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:51:44,225 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:44,225 INFO L85 PathProgramCache]: Analyzing trace with hash 574061320, now seen corresponding path program 14 times [2023-08-30 08:51:44,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:44,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196812819] [2023-08-30 08:51:44,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:44,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:44,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:51:44,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:44,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196812819] [2023-08-30 08:51:44,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196812819] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:44,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:44,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:51:44,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175162835] [2023-08-30 08:51:44,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:44,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:51:44,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:44,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:51:44,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:51:45,640 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 325 [2023-08-30 08:51:45,641 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 38 transitions, 329 flow. Second operand has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:45,641 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:45,641 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 325 [2023-08-30 08:51:45,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:45,869 INFO L130 PetriNetUnfolder]: 21/74 cut-off events. [2023-08-30 08:51:45,869 INFO L131 PetriNetUnfolder]: For 116/116 co-relation queries the response was YES. [2023-08-30 08:51:45,870 INFO L83 FinitePrefix]: Finished finitePrefix Result has 365 conditions, 74 events. 21/74 cut-off events. For 116/116 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 171 event pairs, 7 based on Foata normal form. 2/76 useless extension candidates. Maximal degree in co-relation 348. Up to 34 conditions per place. [2023-08-30 08:51:45,870 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 16 selfloop transitions, 7 changer transitions 21/44 dead transitions. [2023-08-30 08:51:45,870 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 44 transitions, 422 flow [2023-08-30 08:51:45,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 08:51:45,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 08:51:45,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1462 transitions. [2023-08-30 08:51:45,871 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40895104895104895 [2023-08-30 08:51:45,871 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1462 transitions. [2023-08-30 08:51:45,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1462 transitions. [2023-08-30 08:51:45,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:45,872 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1462 transitions. [2023-08-30 08:51:45,873 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 132.9090909090909) internal successors, (1462), 11 states have internal predecessors, (1462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:45,874 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:45,875 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 325.0) internal successors, (3900), 12 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:45,875 INFO L175 Difference]: Start difference. First operand has 93 places, 38 transitions, 329 flow. Second operand 11 states and 1462 transitions. [2023-08-30 08:51:45,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 44 transitions, 422 flow [2023-08-30 08:51:45,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 44 transitions, 392 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-08-30 08:51:45,877 INFO L231 Difference]: Finished difference. Result has 95 places, 21 transitions, 169 flow [2023-08-30 08:51:45,877 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=285, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=169, PETRI_PLACES=95, PETRI_TRANSITIONS=21} [2023-08-30 08:51:45,877 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 62 predicate places. [2023-08-30 08:51:45,877 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 21 transitions, 169 flow [2023-08-30 08:51:45,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:45,878 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:45,878 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:45,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-08-30 08:51:45,878 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:51:45,879 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:45,879 INFO L85 PathProgramCache]: Analyzing trace with hash 161793774, now seen corresponding path program 11 times [2023-08-30 08:51:45,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:45,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060148054] [2023-08-30 08:51:45,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:45,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:46,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:51:46,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:46,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060148054] [2023-08-30 08:51:46,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060148054] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:46,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:46,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:51:46,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531370691] [2023-08-30 08:51:46,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:46,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:51:46,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:46,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:51:46,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:51:47,170 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 325 [2023-08-30 08:51:47,171 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 21 transitions, 169 flow. Second operand has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:47,171 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:47,171 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 325 [2023-08-30 08:51:47,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:47,422 INFO L130 PetriNetUnfolder]: 16/56 cut-off events. [2023-08-30 08:51:47,423 INFO L131 PetriNetUnfolder]: For 84/84 co-relation queries the response was YES. [2023-08-30 08:51:47,423 INFO L83 FinitePrefix]: Finished finitePrefix Result has 287 conditions, 56 events. 16/56 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 115 event pairs, 5 based on Foata normal form. 2/58 useless extension candidates. Maximal degree in co-relation 270. Up to 17 conditions per place. [2023-08-30 08:51:47,423 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 19 selfloop transitions, 14 changer transitions 0/33 dead transitions. [2023-08-30 08:51:47,423 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 33 transitions, 291 flow [2023-08-30 08:51:47,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-30 08:51:47,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-30 08:51:47,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1616 transitions. [2023-08-30 08:51:47,425 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41435897435897434 [2023-08-30 08:51:47,425 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1616 transitions. [2023-08-30 08:51:47,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1616 transitions. [2023-08-30 08:51:47,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:47,425 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1616 transitions. [2023-08-30 08:51:47,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 134.66666666666666) internal successors, (1616), 12 states have internal predecessors, (1616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:47,428 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:47,428 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:47,428 INFO L175 Difference]: Start difference. First operand has 95 places, 21 transitions, 169 flow. Second operand 12 states and 1616 transitions. [2023-08-30 08:51:47,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 33 transitions, 291 flow [2023-08-30 08:51:47,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 33 transitions, 224 flow, removed 9 selfloop flow, removed 21 redundant places. [2023-08-30 08:51:47,429 INFO L231 Difference]: Finished difference. Result has 76 places, 25 transitions, 182 flow [2023-08-30 08:51:47,429 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=182, PETRI_PLACES=76, PETRI_TRANSITIONS=25} [2023-08-30 08:51:47,430 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 43 predicate places. [2023-08-30 08:51:47,430 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 25 transitions, 182 flow [2023-08-30 08:51:47,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:47,430 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:47,430 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:47,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-08-30 08:51:47,431 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:51:47,431 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:47,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1550794576, now seen corresponding path program 15 times [2023-08-30 08:51:47,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:47,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210402531] [2023-08-30 08:51:47,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:47,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:48,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:51:48,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:48,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210402531] [2023-08-30 08:51:48,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210402531] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:48,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:48,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:51:48,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982321522] [2023-08-30 08:51:48,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:48,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:51:48,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:48,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:51:48,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:51:48,729 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 325 [2023-08-30 08:51:48,729 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 25 transitions, 182 flow. Second operand has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:48,729 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:48,730 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 325 [2023-08-30 08:51:48,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:48,984 INFO L130 PetriNetUnfolder]: 15/53 cut-off events. [2023-08-30 08:51:48,984 INFO L131 PetriNetUnfolder]: For 66/66 co-relation queries the response was YES. [2023-08-30 08:51:48,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 245 conditions, 53 events. 15/53 cut-off events. For 66/66 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 101 event pairs, 4 based on Foata normal form. 2/55 useless extension candidates. Maximal degree in co-relation 231. Up to 15 conditions per place. [2023-08-30 08:51:48,984 INFO L137 encePairwiseOnDemand]: 314/325 looper letters, 11 selfloop transitions, 11 changer transitions 10/32 dead transitions. [2023-08-30 08:51:48,984 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 32 transitions, 249 flow [2023-08-30 08:51:48,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-30 08:51:48,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-30 08:51:48,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1591 transitions. [2023-08-30 08:51:48,986 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40794871794871795 [2023-08-30 08:51:48,986 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1591 transitions. [2023-08-30 08:51:48,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1591 transitions. [2023-08-30 08:51:48,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:48,987 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1591 transitions. [2023-08-30 08:51:48,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 132.58333333333334) internal successors, (1591), 12 states have internal predecessors, (1591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:48,990 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:48,991 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 325.0) internal successors, (4225), 13 states have internal predecessors, (4225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:48,991 INFO L175 Difference]: Start difference. First operand has 76 places, 25 transitions, 182 flow. Second operand 12 states and 1591 transitions. [2023-08-30 08:51:48,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 32 transitions, 249 flow [2023-08-30 08:51:48,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 32 transitions, 228 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-08-30 08:51:48,992 INFO L231 Difference]: Finished difference. Result has 79 places, 19 transitions, 133 flow [2023-08-30 08:51:48,992 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=133, PETRI_PLACES=79, PETRI_TRANSITIONS=19} [2023-08-30 08:51:48,992 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 46 predicate places. [2023-08-30 08:51:48,993 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 19 transitions, 133 flow [2023-08-30 08:51:48,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 131.15384615384616) internal successors, (1705), 13 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:48,993 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:48,993 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:48,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-08-30 08:51:48,994 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:51:48,994 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:48,994 INFO L85 PathProgramCache]: Analyzing trace with hash 68788194, now seen corresponding path program 12 times [2023-08-30 08:51:48,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:48,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458396062] [2023-08-30 08:51:48,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:48,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:49,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:51:49,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:49,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458396062] [2023-08-30 08:51:49,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458396062] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:49,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:49,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:51:49,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116107763] [2023-08-30 08:51:49,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:49,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:51:49,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:49,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:51:49,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:51:50,252 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 325 [2023-08-30 08:51:50,253 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 19 transitions, 133 flow. Second operand has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:50,253 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:50,253 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 325 [2023-08-30 08:51:50,253 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:50,444 INFO L130 PetriNetUnfolder]: 7/30 cut-off events. [2023-08-30 08:51:50,444 INFO L131 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2023-08-30 08:51:50,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 30 events. 7/30 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs, 2 based on Foata normal form. 2/32 useless extension candidates. Maximal degree in co-relation 126. Up to 15 conditions per place. [2023-08-30 08:51:50,445 INFO L137 encePairwiseOnDemand]: 316/325 looper letters, 10 selfloop transitions, 9 changer transitions 0/19 dead transitions. [2023-08-30 08:51:50,445 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 19 transitions, 150 flow [2023-08-30 08:51:50,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-30 08:51:50,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-30 08:51:50,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1339 transitions. [2023-08-30 08:51:50,446 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.412 [2023-08-30 08:51:50,446 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1339 transitions. [2023-08-30 08:51:50,446 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1339 transitions. [2023-08-30 08:51:50,447 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:50,447 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1339 transitions. [2023-08-30 08:51:50,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 133.9) internal successors, (1339), 10 states have internal predecessors, (1339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:50,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 325.0) internal successors, (3575), 11 states have internal predecessors, (3575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:50,450 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 325.0) internal successors, (3575), 11 states have internal predecessors, (3575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:50,450 INFO L175 Difference]: Start difference. First operand has 79 places, 19 transitions, 133 flow. Second operand 10 states and 1339 transitions. [2023-08-30 08:51:50,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 19 transitions, 150 flow [2023-08-30 08:51:50,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 19 transitions, 108 flow, removed 0 selfloop flow, removed 17 redundant places. [2023-08-30 08:51:50,451 INFO L231 Difference]: Finished difference. Result has 52 places, 18 transitions, 86 flow [2023-08-30 08:51:50,451 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=86, PETRI_PLACES=52, PETRI_TRANSITIONS=18} [2023-08-30 08:51:50,451 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 19 predicate places. [2023-08-30 08:51:50,451 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 18 transitions, 86 flow [2023-08-30 08:51:50,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.15384615384616) internal successors, (1731), 13 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:50,451 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:50,452 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:50,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-08-30 08:51:50,452 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:51:50,452 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:50,452 INFO L85 PathProgramCache]: Analyzing trace with hash 68788120, now seen corresponding path program 16 times [2023-08-30 08:51:50,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:50,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200741614] [2023-08-30 08:51:50,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:50,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:50,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:51:50,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:50,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200741614] [2023-08-30 08:51:50,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200741614] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:50,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:50,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:51:50,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674787978] [2023-08-30 08:51:50,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:50,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:51:50,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:50,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:51:50,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:51:51,653 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 325 [2023-08-30 08:51:51,654 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 18 transitions, 86 flow. Second operand has 13 states, 13 states have (on average 136.07692307692307) internal successors, (1769), 13 states have internal predecessors, (1769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:51,654 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:51,654 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 325 [2023-08-30 08:51:51,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:51,939 INFO L130 PetriNetUnfolder]: 2/19 cut-off events. [2023-08-30 08:51:51,939 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2023-08-30 08:51:51,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 19 events. 2/19 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 8 event pairs, 1 based on Foata normal form. 2/21 useless extension candidates. Maximal degree in co-relation 58. Up to 7 conditions per place. [2023-08-30 08:51:51,939 INFO L137 encePairwiseOnDemand]: 316/325 looper letters, 0 selfloop transitions, 0 changer transitions 17/17 dead transitions. [2023-08-30 08:51:51,939 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 17 transitions, 103 flow [2023-08-30 08:51:51,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-30 08:51:51,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-30 08:51:51,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1231 transitions. [2023-08-30 08:51:51,941 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42085470085470084 [2023-08-30 08:51:51,941 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1231 transitions. [2023-08-30 08:51:51,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1231 transitions. [2023-08-30 08:51:51,942 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:51,942 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1231 transitions. [2023-08-30 08:51:51,943 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 136.77777777777777) internal successors, (1231), 9 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:51,944 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 325.0) internal successors, (3250), 10 states have internal predecessors, (3250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:51,944 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 325.0) internal successors, (3250), 10 states have internal predecessors, (3250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:51,944 INFO L175 Difference]: Start difference. First operand has 52 places, 18 transitions, 86 flow. Second operand 9 states and 1231 transitions. [2023-08-30 08:51:51,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 17 transitions, 103 flow [2023-08-30 08:51:51,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 17 transitions, 86 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-08-30 08:51:51,945 INFO L231 Difference]: Finished difference. Result has 39 places, 0 transitions, 0 flow [2023-08-30 08:51:51,945 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=0, PETRI_PLACES=39, PETRI_TRANSITIONS=0} [2023-08-30 08:51:51,945 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 6 predicate places. [2023-08-30 08:51:51,945 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 0 transitions, 0 flow [2023-08-30 08:51:51,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 136.07692307692307) internal successors, (1769), 13 states have internal predecessors, (1769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:51,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2023-08-30 08:51:51,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2023-08-30 08:51:51,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-08-30 08:51:51,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-08-30 08:51:51,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-08-30 08:51:51,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-08-30 08:51:51,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-08-30 08:51:51,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-08-30 08:51:51,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-08-30 08:51:51,949 INFO L445 BasicCegarLoop]: Path program histogram: [16, 12, 5, 4, 2, 2, 1, 1, 1, 1, 1] [2023-08-30 08:51:51,952 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-30 08:51:51,952 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-30 08:51:51,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 08:51:51 BasicIcfg [2023-08-30 08:51:51,955 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 08:51:51,955 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 08:51:51,955 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 08:51:51,956 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 08:51:51,956 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 08:50:25" (3/4) ... [2023-08-30 08:51:51,958 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 08:51:51,963 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2023-08-30 08:51:51,968 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-08-30 08:51:51,968 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-08-30 08:51:51,969 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-30 08:51:51,969 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-30 08:51:52,002 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 08:51:52,002 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 08:51:52,002 INFO L158 Benchmark]: Toolchain (without parser) took 87859.00ms. Allocated memory was 81.8MB in the beginning and 461.4MB in the end (delta: 379.6MB). Free memory was 53.6MB in the beginning and 286.7MB in the end (delta: -233.1MB). Peak memory consumption was 145.5MB. Max. memory is 16.1GB. [2023-08-30 08:51:52,003 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 56.6MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 08:51:52,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 845.56ms. Allocated memory is still 81.8MB. Free memory was 53.4MB in the beginning and 38.6MB in the end (delta: 14.8MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2023-08-30 08:51:52,003 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.63ms. Allocated memory is still 81.8MB. Free memory was 38.6MB in the beginning and 35.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 08:51:52,004 INFO L158 Benchmark]: Boogie Preprocessor took 81.03ms. Allocated memory was 81.8MB in the beginning and 107.0MB in the end (delta: 25.2MB). Free memory was 35.2MB in the beginning and 79.8MB in the end (delta: -44.6MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2023-08-30 08:51:52,004 INFO L158 Benchmark]: RCFGBuilder took 665.74ms. Allocated memory is still 107.0MB. Free memory was 79.8MB in the beginning and 56.2MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-08-30 08:51:52,004 INFO L158 Benchmark]: TraceAbstraction took 86123.27ms. Allocated memory was 107.0MB in the beginning and 461.4MB in the end (delta: 354.4MB). Free memory was 55.1MB in the beginning and 289.9MB in the end (delta: -234.7MB). Peak memory consumption was 119.1MB. Max. memory is 16.1GB. [2023-08-30 08:51:52,004 INFO L158 Benchmark]: Witness Printer took 46.72ms. Allocated memory is still 461.4MB. Free memory was 289.9MB in the beginning and 286.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 08:51:52,006 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 56.6MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 845.56ms. Allocated memory is still 81.8MB. Free memory was 53.4MB in the beginning and 38.6MB in the end (delta: 14.8MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.63ms. Allocated memory is still 81.8MB. Free memory was 38.6MB in the beginning and 35.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.03ms. Allocated memory was 81.8MB in the beginning and 107.0MB in the end (delta: 25.2MB). Free memory was 35.2MB in the beginning and 79.8MB in the end (delta: -44.6MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * RCFGBuilder took 665.74ms. Allocated memory is still 107.0MB. Free memory was 79.8MB in the beginning and 56.2MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 86123.27ms. Allocated memory was 107.0MB in the beginning and 461.4MB in the end (delta: 354.4MB). Free memory was 55.1MB in the beginning and 289.9MB in the end (delta: -234.7MB). Peak memory consumption was 119.1MB. Max. memory is 16.1GB. * Witness Printer took 46.72ms. Allocated memory is still 461.4MB. Free memory was 289.9MB in the beginning and 286.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.1s, 150 PlacesBefore, 33 PlacesAfterwards, 147 TransitionsBefore, 27 TransitionsAfterwards, 3996 CoEnabledTransitionPairs, 8 FixpointIterations, 57 TrivialSequentialCompositions, 71 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 9 ConcurrentYvCompositions, 3 ChoiceCompositions, 148 TotalNumberOfCompositions, 8740 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4063, independent: 3771, independent conditional: 0, independent unconditional: 3771, dependent: 292, dependent conditional: 0, dependent unconditional: 292, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2225, independent: 2166, independent conditional: 0, independent unconditional: 2166, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4063, independent: 1605, independent conditional: 0, independent unconditional: 1605, dependent: 233, dependent conditional: 0, dependent unconditional: 233, unknown: 2225, unknown conditional: 0, unknown unconditional: 2225] , Statistics on independence cache: Total cache size (in pairs): 97, Positive cache size: 68, Positive conditional cache size: 0, Positive unconditional cache size: 68, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 1712]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1712]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 190 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 86.0s, OverallIterations: 46, TraceHistogramMax: 1, PathProgramHistogramMax: 16, EmptinessCheckTime: 0.0s, AutomataDifference: 45.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17321 SdHoareTripleChecker+Valid, 34.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14465 mSDsluCounter, 20317 SdHoareTripleChecker+Invalid, 29.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19743 mSDsCounter, 1565 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70548 IncrementalHoareTripleChecker+Invalid, 72113 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1565 mSolverCounterUnsat, 574 mSDtfsCounter, 70548 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 801 GetRequests, 74 SyntacticMatches, 2 SemanticMatches, 725 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1405 ImplicationChecksByTransitivity, 10.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1802occurred in iteration=28, InterpolantAutomatonStates: 528, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 30.7s InterpolantComputationTime, 606 NumberOfCodeBlocks, 606 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 560 ConstructedInterpolants, 0 QuantifiedInterpolants, 10087 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 46 InterpolantComputations, 46 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-30 08:51:52,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE