./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations 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-3_1-container_of-global.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 79b55bbc1c83a113dd61cfbd1c59324170026eea9fc3fed8c2e488e492b32e33 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 08:50:28,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 08:50:28,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 08:50:28,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 08:50:28,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 08:50:28,058 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 08:50:28,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 08:50:28,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 08:50:28,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 08:50:28,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 08:50:28,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 08:50:28,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 08:50:28,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 08:50:28,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 08:50:28,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 08:50:28,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 08:50:28,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 08:50:28,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 08:50:28,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 08:50:28,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 08:50:28,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 08:50:28,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 08:50:28,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 08:50:28,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 08:50:28,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 08:50:28,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 08:50:28,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 08:50:28,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 08:50:28,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 08:50:28,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 08:50:28,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 08:50:28,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 08:50:28,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 08:50:28,127 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 08:50:28,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 08:50:28,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 08:50:28,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 08:50:28,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 08:50:28,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 08:50:28,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 08:50:28,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 08:50:28,132 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 08:50:28,171 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 08:50:28,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 08:50:28,173 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 08:50:28,173 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 08:50:28,174 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 08:50:28,174 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 08:50:28,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 08:50:28,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 08:50:28,175 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 08:50:28,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 08:50:28,176 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 08:50:28,177 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 08:50:28,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 08:50:28,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 08:50:28,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 08:50:28,177 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 08:50:28,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 08:50:28,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 08:50:28,178 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 08:50:28,178 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 08:50:28,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 08:50:28,179 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 08:50:28,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 08:50:28,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 08:50:28,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 08:50:28,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 08:50:28,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 08:50:28,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 08:50:28,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 08:50:28,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 08:50:28,180 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 08:50:28,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 08:50:28,181 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 08:50:28,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 08:50:28,181 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 08:50:28,182 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 08:50:28,182 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 08:50:28,182 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79b55bbc1c83a113dd61cfbd1c59324170026eea9fc3fed8c2e488e492b32e33 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-30 08:50:28,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 08:50:28,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 08:50:28,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 08:50:28,477 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 08:50:28,477 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 08:50:28,478 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2023-08-30 08:50:29,798 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 08:50:30,116 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 08:50:30,117 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2023-08-30 08:50:30,141 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7544ef925/1d510f598def436a8c3808657c1be14f/FLAG67757ae79 [2023-08-30 08:50:30,156 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7544ef925/1d510f598def436a8c3808657c1be14f [2023-08-30 08:50:30,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 08:50:30,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 08:50:30,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 08:50:30,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 08:50:30,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 08:50:30,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 08:50:30" (1/1) ... [2023-08-30 08:50:30,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@777fe1ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:50:30, skipping insertion in model container [2023-08-30 08:50:30,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 08:50:30" (1/1) ... [2023-08-30 08:50:30,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 08:50:30,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 08:50:30,791 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i[76084,76097] [2023-08-30 08:50:30,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 08:50:30,829 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 08:50:30,879 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i[76084,76097] [2023-08-30 08:50:30,893 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 08:50:31,013 INFO L208 MainTranslator]: Completed translation [2023-08-30 08:50:31,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:50:31 WrapperNode [2023-08-30 08:50:31,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 08:50:31,015 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 08:50:31,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 08:50:31,015 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 08:50:31,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:50:31" (1/1) ... [2023-08-30 08:50:31,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:50:31" (1/1) ... [2023-08-30 08:50:31,079 INFO L138 Inliner]: procedures = 482, calls = 46, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 135 [2023-08-30 08:50:31,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 08:50:31,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 08:50:31,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 08:50:31,085 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 08:50:31,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:50:31" (1/1) ... [2023-08-30 08:50:31,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:50:31" (1/1) ... [2023-08-30 08:50:31,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:50:31" (1/1) ... [2023-08-30 08:50:31,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:50:31" (1/1) ... [2023-08-30 08:50:31,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:50:31" (1/1) ... [2023-08-30 08:50:31,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:50:31" (1/1) ... [2023-08-30 08:50:31,113 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:50:31" (1/1) ... [2023-08-30 08:50:31,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:50:31" (1/1) ... [2023-08-30 08:50:31,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 08:50:31,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 08:50:31,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 08:50:31,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 08:50:31,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:50:31" (1/1) ... [2023-08-30 08:50:31,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 08:50:31,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 08:50:31,152 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 08:50:31,185 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 08:50:31,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 08:50:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 08:50:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 08:50:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 08:50:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 08:50:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 08:50:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 08:50:31,201 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-08-30 08:50:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-08-30 08:50:31,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 08:50:31,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 08:50:31,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 08:50:31,202 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 08:50:31,484 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 08:50:31,485 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 08:50:31,671 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 08:50:31,679 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 08:50:31,679 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 08:50:31,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 08:50:31 BoogieIcfgContainer [2023-08-30 08:50:31,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 08:50:31,683 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 08:50:31,683 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 08:50:31,686 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 08:50:31,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 08:50:30" (1/3) ... [2023-08-30 08:50:31,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c31d260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 08:50:31, skipping insertion in model container [2023-08-30 08:50:31,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:50:31" (2/3) ... [2023-08-30 08:50:31,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c31d260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 08:50:31, skipping insertion in model container [2023-08-30 08:50:31,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 08:50:31" (3/3) ... [2023-08-30 08:50:31,688 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2023-08-30 08:50:31,695 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 08:50:31,703 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 08:50:31,704 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-08-30 08:50:31,704 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 08:50:31,763 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 08:50:31,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 174 places, 176 transitions, 368 flow [2023-08-30 08:50:31,914 INFO L130 PetriNetUnfolder]: 10/212 cut-off events. [2023-08-30 08:50:31,915 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 08:50:31,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 212 events. 10/212 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 363 event pairs, 0 based on Foata normal form. 0/196 useless extension candidates. Maximal degree in co-relation 125. Up to 4 conditions per place. [2023-08-30 08:50:31,920 INFO L82 GeneralOperation]: Start removeDead. Operand has 174 places, 176 transitions, 368 flow [2023-08-30 08:50:31,928 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 149 places, 146 transitions, 301 flow [2023-08-30 08:50:31,932 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 08:50:31,951 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 149 places, 146 transitions, 301 flow [2023-08-30 08:50:31,960 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 149 places, 146 transitions, 301 flow [2023-08-30 08:50:31,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 149 places, 146 transitions, 301 flow [2023-08-30 08:50:31,995 INFO L130 PetriNetUnfolder]: 4/146 cut-off events. [2023-08-30 08:50:31,996 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-30 08:50:31,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 146 events. 4/146 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 167 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 84. Up to 2 conditions per place. [2023-08-30 08:50:32,000 INFO L119 LiptonReduction]: Number of co-enabled transitions 3740 [2023-08-30 08:50:39,969 INFO L134 LiptonReduction]: Checked pairs total: 7925 [2023-08-30 08:50:39,970 INFO L136 LiptonReduction]: Total number of compositions: 146 [2023-08-30 08:50:39,981 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 08:50:39,987 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;@13526b6f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 08:50:39,987 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-08-30 08:50:39,990 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2023-08-30 08:50:39,991 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 08:50:39,991 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:39,992 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-30 08:50:39,992 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 08:50:39,996 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:39,997 INFO L85 PathProgramCache]: Analyzing trace with hash 551923569, now seen corresponding path program 1 times [2023-08-30 08:50:40,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:40,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29794117] [2023-08-30 08:50:40,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:40,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:40,886 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 08:50:40,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:40,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29794117] [2023-08-30 08:50:40,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29794117] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:40,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:40,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 08:50:40,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839194492] [2023-08-30 08:50:40,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:40,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 08:50:40,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:40,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 08:50:40,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-30 08:50:41,072 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 322 [2023-08-30 08:50:41,077 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 27 transitions, 63 flow. Second operand has 4 states, 4 states have (on average 149.25) internal successors, (597), 4 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:41,078 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:41,078 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 322 [2023-08-30 08:50:41,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:41,227 INFO L130 PetriNetUnfolder]: 175/349 cut-off events. [2023-08-30 08:50:41,228 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2023-08-30 08:50:41,229 INFO L83 FinitePrefix]: Finished finitePrefix Result has 719 conditions, 349 events. 175/349 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1528 event pairs, 108 based on Foata normal form. 0/274 useless extension candidates. Maximal degree in co-relation 624. Up to 301 conditions per place. [2023-08-30 08:50:41,231 INFO L137 encePairwiseOnDemand]: 314/322 looper letters, 29 selfloop transitions, 7 changer transitions 0/37 dead transitions. [2023-08-30 08:50:41,232 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 37 transitions, 158 flow [2023-08-30 08:50:41,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-30 08:50:41,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-30 08:50:41,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 779 transitions. [2023-08-30 08:50:41,248 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48385093167701865 [2023-08-30 08:50:41,249 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 779 transitions. [2023-08-30 08:50:41,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 779 transitions. [2023-08-30 08:50:41,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:41,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 779 transitions. [2023-08-30 08:50:41,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 155.8) internal successors, (779), 5 states have internal predecessors, (779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:41,267 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 322.0) internal successors, (1932), 6 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:41,268 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 322.0) internal successors, (1932), 6 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:41,270 INFO L175 Difference]: Start difference. First operand has 33 places, 27 transitions, 63 flow. Second operand 5 states and 779 transitions. [2023-08-30 08:50:41,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 37 transitions, 158 flow [2023-08-30 08:50:41,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 37 transitions, 152 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-30 08:50:41,275 INFO L231 Difference]: Finished difference. Result has 34 places, 28 transitions, 100 flow [2023-08-30 08:50:41,277 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=100, PETRI_PLACES=34, PETRI_TRANSITIONS=28} [2023-08-30 08:50:41,280 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 1 predicate places. [2023-08-30 08:50:41,280 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 28 transitions, 100 flow [2023-08-30 08:50:41,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 149.25) internal successors, (597), 4 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:41,281 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:41,281 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-30 08:50:41,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 08:50:41,282 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:50:41,283 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:41,283 INFO L85 PathProgramCache]: Analyzing trace with hash 551923585, now seen corresponding path program 1 times [2023-08-30 08:50:41,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:41,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504176219] [2023-08-30 08:50:41,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:41,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:41,613 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 08:50:41,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:41,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504176219] [2023-08-30 08:50:41,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504176219] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:41,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:41,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 08:50:41,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271943064] [2023-08-30 08:50:41,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:41,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 08:50:41,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:41,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 08:50:41,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-30 08:50:41,690 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 322 [2023-08-30 08:50:41,691 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 28 transitions, 100 flow. Second operand has 4 states, 4 states have (on average 147.25) internal successors, (589), 4 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:41,691 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:41,691 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 322 [2023-08-30 08:50:41,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:41,806 INFO L130 PetriNetUnfolder]: 194/365 cut-off events. [2023-08-30 08:50:41,806 INFO L131 PetriNetUnfolder]: For 106/106 co-relation queries the response was YES. [2023-08-30 08:50:41,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 875 conditions, 365 events. 194/365 cut-off events. For 106/106 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1350 event pairs, 189 based on Foata normal form. 1/328 useless extension candidates. Maximal degree in co-relation 725. Up to 361 conditions per place. [2023-08-30 08:50:41,809 INFO L137 encePairwiseOnDemand]: 316/322 looper letters, 23 selfloop transitions, 7 changer transitions 0/30 dead transitions. [2023-08-30 08:50:41,810 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 30 transitions, 166 flow [2023-08-30 08:50:41,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-30 08:50:41,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-30 08:50:41,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 760 transitions. [2023-08-30 08:50:41,812 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4720496894409938 [2023-08-30 08:50:41,812 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 760 transitions. [2023-08-30 08:50:41,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 760 transitions. [2023-08-30 08:50:41,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:41,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 760 transitions. [2023-08-30 08:50:41,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 152.0) internal successors, (760), 5 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:41,819 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 322.0) internal successors, (1932), 6 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:41,820 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 322.0) internal successors, (1932), 6 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:41,820 INFO L175 Difference]: Start difference. First operand has 34 places, 28 transitions, 100 flow. Second operand 5 states and 760 transitions. [2023-08-30 08:50:41,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 30 transitions, 166 flow [2023-08-30 08:50:41,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 30 transitions, 159 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-30 08:50:41,823 INFO L231 Difference]: Finished difference. Result has 38 places, 29 transitions, 116 flow [2023-08-30 08:50:41,823 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=116, PETRI_PLACES=38, PETRI_TRANSITIONS=29} [2023-08-30 08:50:41,824 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 5 predicate places. [2023-08-30 08:50:41,824 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 29 transitions, 116 flow [2023-08-30 08:50:41,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 147.25) internal successors, (589), 4 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:41,825 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:41,825 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-30 08:50:41,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-30 08:50:41,826 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:50:41,826 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:41,826 INFO L85 PathProgramCache]: Analyzing trace with hash -70256754, now seen corresponding path program 1 times [2023-08-30 08:50:41,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:41,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497241766] [2023-08-30 08:50:41,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:41,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:41,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:42,150 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 08:50:42,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:42,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497241766] [2023-08-30 08:50:42,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497241766] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:42,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:42,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-30 08:50:42,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529736487] [2023-08-30 08:50:42,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:42,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-30 08:50:42,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:42,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-30 08:50:42,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-30 08:50:42,248 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 322 [2023-08-30 08:50:42,249 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 29 transitions, 116 flow. Second operand has 5 states, 5 states have (on average 146.2) internal successors, (731), 5 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:42,249 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:42,249 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 322 [2023-08-30 08:50:42,249 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:42,369 INFO L130 PetriNetUnfolder]: 215/401 cut-off events. [2023-08-30 08:50:42,370 INFO L131 PetriNetUnfolder]: For 136/136 co-relation queries the response was YES. [2023-08-30 08:50:42,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 974 conditions, 401 events. 215/401 cut-off events. For 136/136 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1550 event pairs, 129 based on Foata normal form. 10/373 useless extension candidates. Maximal degree in co-relation 760. Up to 355 conditions per place. [2023-08-30 08:50:42,373 INFO L137 encePairwiseOnDemand]: 314/322 looper letters, 33 selfloop transitions, 13 changer transitions 0/46 dead transitions. [2023-08-30 08:50:42,373 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 46 transitions, 256 flow [2023-08-30 08:50:42,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-30 08:50:42,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-30 08:50:42,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 769 transitions. [2023-08-30 08:50:42,376 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47763975155279503 [2023-08-30 08:50:42,376 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 769 transitions. [2023-08-30 08:50:42,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 769 transitions. [2023-08-30 08:50:42,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:42,377 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 769 transitions. [2023-08-30 08:50:42,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 153.8) internal successors, (769), 5 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:42,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 322.0) internal successors, (1932), 6 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:42,382 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 322.0) internal successors, (1932), 6 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:42,382 INFO L175 Difference]: Start difference. First operand has 38 places, 29 transitions, 116 flow. Second operand 5 states and 769 transitions. [2023-08-30 08:50:42,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 46 transitions, 256 flow [2023-08-30 08:50:42,384 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 46 transitions, 244 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-30 08:50:42,385 INFO L231 Difference]: Finished difference. Result has 41 places, 36 transitions, 176 flow [2023-08-30 08:50:42,385 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=176, PETRI_PLACES=41, PETRI_TRANSITIONS=36} [2023-08-30 08:50:42,386 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 8 predicate places. [2023-08-30 08:50:42,386 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 36 transitions, 176 flow [2023-08-30 08:50:42,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 146.2) internal successors, (731), 5 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:42,387 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:42,387 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-30 08:50:42,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-30 08:50:42,388 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:50:42,388 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:42,388 INFO L85 PathProgramCache]: Analyzing trace with hash -70236294, now seen corresponding path program 2 times [2023-08-30 08:50:42,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:42,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380392605] [2023-08-30 08:50:42,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:42,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:42,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:42,771 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 08:50:42,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:42,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380392605] [2023-08-30 08:50:42,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380392605] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:42,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:42,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-30 08:50:42,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196775087] [2023-08-30 08:50:42,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:42,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-30 08:50:42,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:42,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-30 08:50:42,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-30 08:50:42,856 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 322 [2023-08-30 08:50:42,857 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 36 transitions, 176 flow. Second operand has 5 states, 5 states have (on average 146.2) internal successors, (731), 5 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:42,857 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:42,857 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 322 [2023-08-30 08:50:42,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:42,972 INFO L130 PetriNetUnfolder]: 201/377 cut-off events. [2023-08-30 08:50:42,972 INFO L131 PetriNetUnfolder]: For 302/302 co-relation queries the response was YES. [2023-08-30 08:50:42,973 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1047 conditions, 377 events. 201/377 cut-off events. For 302/302 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1448 event pairs, 57 based on Foata normal form. 10/349 useless extension candidates. Maximal degree in co-relation 828. Up to 309 conditions per place. [2023-08-30 08:50:42,975 INFO L137 encePairwiseOnDemand]: 315/322 looper letters, 35 selfloop transitions, 14 changer transitions 0/49 dead transitions. [2023-08-30 08:50:42,975 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 49 transitions, 315 flow [2023-08-30 08:50:42,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-30 08:50:42,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-30 08:50:42,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 768 transitions. [2023-08-30 08:50:42,978 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47701863354037266 [2023-08-30 08:50:42,978 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 768 transitions. [2023-08-30 08:50:42,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 768 transitions. [2023-08-30 08:50:42,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:42,979 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 768 transitions. [2023-08-30 08:50:42,980 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 153.6) internal successors, (768), 5 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:42,983 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 322.0) internal successors, (1932), 6 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:42,984 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 322.0) internal successors, (1932), 6 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:42,984 INFO L175 Difference]: Start difference. First operand has 41 places, 36 transitions, 176 flow. Second operand 5 states and 768 transitions. [2023-08-30 08:50:42,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 49 transitions, 315 flow [2023-08-30 08:50:42,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 49 transitions, 309 flow, removed 3 selfloop flow, removed 0 redundant places. [2023-08-30 08:50:42,988 INFO L231 Difference]: Finished difference. Result has 46 places, 39 transitions, 229 flow [2023-08-30 08:50:42,988 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=229, PETRI_PLACES=46, PETRI_TRANSITIONS=39} [2023-08-30 08:50:42,989 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 13 predicate places. [2023-08-30 08:50:42,989 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 39 transitions, 229 flow [2023-08-30 08:50:42,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 146.2) internal successors, (731), 5 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:42,990 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:42,990 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:42,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-30 08:50:42,990 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 08:50:42,991 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:42,991 INFO L85 PathProgramCache]: Analyzing trace with hash 2113345447, now seen corresponding path program 1 times [2023-08-30 08:50:42,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:42,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309230902] [2023-08-30 08:50:42,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:42,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:43,369 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 08:50:43,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:43,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309230902] [2023-08-30 08:50:43,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309230902] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:43,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:43,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-30 08:50:43,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703959703] [2023-08-30 08:50:43,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:43,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-30 08:50:43,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:43,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-30 08:50:43,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-30 08:50:43,488 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 322 [2023-08-30 08:50:43,489 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 39 transitions, 229 flow. Second operand has 5 states, 5 states have (on average 146.4) internal successors, (732), 5 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:43,489 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:43,489 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 322 [2023-08-30 08:50:43,489 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:43,643 INFO L130 PetriNetUnfolder]: 189/357 cut-off events. [2023-08-30 08:50:43,644 INFO L131 PetriNetUnfolder]: For 447/447 co-relation queries the response was YES. [2023-08-30 08:50:43,645 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1077 conditions, 357 events. 189/357 cut-off events. For 447/447 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1322 event pairs, 72 based on Foata normal form. 0/327 useless extension candidates. Maximal degree in co-relation 775. Up to 315 conditions per place. [2023-08-30 08:50:43,646 INFO L137 encePairwiseOnDemand]: 315/322 looper letters, 39 selfloop transitions, 12 changer transitions 0/51 dead transitions. [2023-08-30 08:50:43,646 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 51 transitions, 384 flow [2023-08-30 08:50:43,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-30 08:50:43,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-30 08:50:43,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 764 transitions. [2023-08-30 08:50:43,649 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4745341614906832 [2023-08-30 08:50:43,649 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 764 transitions. [2023-08-30 08:50:43,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 764 transitions. [2023-08-30 08:50:43,650 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:43,650 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 764 transitions. [2023-08-30 08:50:43,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 152.8) internal successors, (764), 5 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:43,655 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 322.0) internal successors, (1932), 6 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:43,656 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 322.0) internal successors, (1932), 6 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:43,656 INFO L175 Difference]: Start difference. First operand has 46 places, 39 transitions, 229 flow. Second operand 5 states and 764 transitions. [2023-08-30 08:50:43,656 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 51 transitions, 384 flow [2023-08-30 08:50:43,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 51 transitions, 369 flow, removed 3 selfloop flow, removed 1 redundant places. [2023-08-30 08:50:43,662 INFO L231 Difference]: Finished difference. Result has 51 places, 44 transitions, 286 flow [2023-08-30 08:50:43,662 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=286, PETRI_PLACES=51, PETRI_TRANSITIONS=44} [2023-08-30 08:50:43,665 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 18 predicate places. [2023-08-30 08:50:43,665 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 44 transitions, 286 flow [2023-08-30 08:50:43,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 146.4) internal successors, (732), 5 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:43,666 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:43,666 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:43,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-30 08:50:43,666 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:50:43,667 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:43,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1417365804, now seen corresponding path program 1 times [2023-08-30 08:50:43,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:43,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16316956] [2023-08-30 08:50:43,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:43,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:44,215 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 08:50:44,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:44,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16316956] [2023-08-30 08:50:44,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16316956] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:44,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:44,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-30 08:50:44,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684137718] [2023-08-30 08:50:44,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:44,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-30 08:50:44,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:44,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-30 08:50:44,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-08-30 08:50:44,504 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 322 [2023-08-30 08:50:44,506 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 44 transitions, 286 flow. Second operand has 8 states, 8 states have (on average 142.125) internal successors, (1137), 8 states have internal predecessors, (1137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:44,506 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:44,506 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 322 [2023-08-30 08:50:44,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:44,768 INFO L130 PetriNetUnfolder]: 213/397 cut-off events. [2023-08-30 08:50:44,768 INFO L131 PetriNetUnfolder]: For 471/471 co-relation queries the response was YES. [2023-08-30 08:50:44,769 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1263 conditions, 397 events. 213/397 cut-off events. For 471/471 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1543 event pairs, 46 based on Foata normal form. 12/394 useless extension candidates. Maximal degree in co-relation 967. Up to 301 conditions per place. [2023-08-30 08:50:44,771 INFO L137 encePairwiseOnDemand]: 311/322 looper letters, 41 selfloop transitions, 21 changer transitions 0/62 dead transitions. [2023-08-30 08:50:44,772 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 62 transitions, 487 flow [2023-08-30 08:50:44,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-30 08:50:44,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-30 08:50:44,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 897 transitions. [2023-08-30 08:50:44,775 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4642857142857143 [2023-08-30 08:50:44,775 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 897 transitions. [2023-08-30 08:50:44,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 897 transitions. [2023-08-30 08:50:44,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:44,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 897 transitions. [2023-08-30 08:50:44,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 149.5) internal successors, (897), 6 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:44,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:44,783 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:44,783 INFO L175 Difference]: Start difference. First operand has 51 places, 44 transitions, 286 flow. Second operand 6 states and 897 transitions. [2023-08-30 08:50:44,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 62 transitions, 487 flow [2023-08-30 08:50:44,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 62 transitions, 473 flow, removed 3 selfloop flow, removed 1 redundant places. [2023-08-30 08:50:44,787 INFO L231 Difference]: Finished difference. Result has 57 places, 51 transitions, 394 flow [2023-08-30 08:50:44,788 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=394, PETRI_PLACES=57, PETRI_TRANSITIONS=51} [2023-08-30 08:50:44,790 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 24 predicate places. [2023-08-30 08:50:44,790 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 51 transitions, 394 flow [2023-08-30 08:50:44,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 142.125) internal successors, (1137), 8 states have internal predecessors, (1137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:44,792 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:44,792 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:44,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-30 08:50:44,793 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 08:50:44,793 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:44,794 INFO L85 PathProgramCache]: Analyzing trace with hash -589926819, now seen corresponding path program 1 times [2023-08-30 08:50:44,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:44,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107065313] [2023-08-30 08:50:44,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:44,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:44,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:45,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:50:45,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:45,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107065313] [2023-08-30 08:50:45,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107065313] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:45,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:45,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-30 08:50:45,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202435314] [2023-08-30 08:50:45,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:45,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 08:50:45,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:45,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 08:50:45,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 08:50:45,091 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 322 [2023-08-30 08:50:45,092 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 51 transitions, 394 flow. Second operand has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:45,092 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:45,092 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 322 [2023-08-30 08:50:45,092 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:45,193 INFO L130 PetriNetUnfolder]: 210/424 cut-off events. [2023-08-30 08:50:45,194 INFO L131 PetriNetUnfolder]: For 829/829 co-relation queries the response was YES. [2023-08-30 08:50:45,195 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1462 conditions, 424 events. 210/424 cut-off events. For 829/829 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1829 event pairs, 52 based on Foata normal form. 8/412 useless extension candidates. Maximal degree in co-relation 1154. Up to 233 conditions per place. [2023-08-30 08:50:45,197 INFO L137 encePairwiseOnDemand]: 318/322 looper letters, 51 selfloop transitions, 5 changer transitions 4/68 dead transitions. [2023-08-30 08:50:45,197 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 68 transitions, 605 flow [2023-08-30 08:50:45,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 08:50:45,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 08:50:45,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 493 transitions. [2023-08-30 08:50:45,199 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.510351966873706 [2023-08-30 08:50:45,199 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 493 transitions. [2023-08-30 08:50:45,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 493 transitions. [2023-08-30 08:50:45,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:45,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 493 transitions. [2023-08-30 08:50:45,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 164.33333333333334) internal successors, (493), 3 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:45,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:45,203 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:45,203 INFO L175 Difference]: Start difference. First operand has 57 places, 51 transitions, 394 flow. Second operand 3 states and 493 transitions. [2023-08-30 08:50:45,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 68 transitions, 605 flow [2023-08-30 08:50:45,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 68 transitions, 565 flow, removed 6 selfloop flow, removed 3 redundant places. [2023-08-30 08:50:45,209 INFO L231 Difference]: Finished difference. Result has 57 places, 52 transitions, 379 flow [2023-08-30 08:50:45,209 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=356, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=379, PETRI_PLACES=57, PETRI_TRANSITIONS=52} [2023-08-30 08:50:45,209 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 24 predicate places. [2023-08-30 08:50:45,210 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 52 transitions, 379 flow [2023-08-30 08:50:45,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:45,210 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:45,210 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:45,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-30 08:50:45,211 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 08:50:45,211 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:45,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1161114935, now seen corresponding path program 2 times [2023-08-30 08:50:45,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:45,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281137845] [2023-08-30 08:50:45,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:45,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:45,469 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 08:50:45,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:45,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281137845] [2023-08-30 08:50:45,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281137845] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:45,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:45,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-30 08:50:45,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469423768] [2023-08-30 08:50:45,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:45,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 08:50:45,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:45,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 08:50:45,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 08:50:45,498 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 322 [2023-08-30 08:50:45,499 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 52 transitions, 379 flow. Second operand has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:45,499 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:45,499 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 322 [2023-08-30 08:50:45,500 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:45,559 INFO L130 PetriNetUnfolder]: 57/147 cut-off events. [2023-08-30 08:50:45,560 INFO L131 PetriNetUnfolder]: For 391/391 co-relation queries the response was YES. [2023-08-30 08:50:45,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 547 conditions, 147 events. 57/147 cut-off events. For 391/391 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 515 event pairs, 33 based on Foata normal form. 14/153 useless extension candidates. Maximal degree in co-relation 457. Up to 84 conditions per place. [2023-08-30 08:50:45,561 INFO L137 encePairwiseOnDemand]: 319/322 looper letters, 31 selfloop transitions, 4 changer transitions 2/39 dead transitions. [2023-08-30 08:50:45,561 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 39 transitions, 340 flow [2023-08-30 08:50:45,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 08:50:45,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 08:50:45,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 481 transitions. [2023-08-30 08:50:45,563 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4979296066252588 [2023-08-30 08:50:45,563 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 481 transitions. [2023-08-30 08:50:45,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 481 transitions. [2023-08-30 08:50:45,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:45,564 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 481 transitions. [2023-08-30 08:50:45,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:45,567 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:45,567 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:45,567 INFO L175 Difference]: Start difference. First operand has 57 places, 52 transitions, 379 flow. Second operand 3 states and 481 transitions. [2023-08-30 08:50:45,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 39 transitions, 340 flow [2023-08-30 08:50:45,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 39 transitions, 307 flow, removed 10 selfloop flow, removed 5 redundant places. [2023-08-30 08:50:45,572 INFO L231 Difference]: Finished difference. Result has 54 places, 34 transitions, 229 flow [2023-08-30 08:50:45,573 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=223, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=229, PETRI_PLACES=54, PETRI_TRANSITIONS=34} [2023-08-30 08:50:45,574 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 21 predicate places. [2023-08-30 08:50:45,574 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 34 transitions, 229 flow [2023-08-30 08:50:45,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:45,575 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:45,575 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:45,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-30 08:50:45,575 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 08:50:45,583 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:45,583 INFO L85 PathProgramCache]: Analyzing trace with hash 474078808, now seen corresponding path program 1 times [2023-08-30 08:50:45,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:45,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062542306] [2023-08-30 08:50:45,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:45,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:45,965 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 08:50:45,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:45,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062542306] [2023-08-30 08:50:45,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062542306] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:45,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:45,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-30 08:50:45,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588846181] [2023-08-30 08:50:45,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:45,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-30 08:50:45,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:45,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-30 08:50:45,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-08-30 08:50:46,203 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 322 [2023-08-30 08:50:46,205 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 34 transitions, 229 flow. Second operand has 7 states, 7 states have (on average 144.57142857142858) internal successors, (1012), 7 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:46,205 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:46,205 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 322 [2023-08-30 08:50:46,205 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:46,378 INFO L130 PetriNetUnfolder]: 56/156 cut-off events. [2023-08-30 08:50:46,378 INFO L131 PetriNetUnfolder]: For 296/296 co-relation queries the response was YES. [2023-08-30 08:50:46,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 538 conditions, 156 events. 56/156 cut-off events. For 296/296 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 584 event pairs, 11 based on Foata normal form. 0/151 useless extension candidates. Maximal degree in co-relation 383. Up to 73 conditions per place. [2023-08-30 08:50:46,379 INFO L137 encePairwiseOnDemand]: 312/322 looper letters, 33 selfloop transitions, 20 changer transitions 2/57 dead transitions. [2023-08-30 08:50:46,379 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 57 transitions, 412 flow [2023-08-30 08:50:46,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-30 08:50:46,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-30 08:50:46,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1337 transitions. [2023-08-30 08:50:46,384 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4613526570048309 [2023-08-30 08:50:46,384 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1337 transitions. [2023-08-30 08:50:46,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1337 transitions. [2023-08-30 08:50:46,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:46,385 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1337 transitions. [2023-08-30 08:50:46,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 148.55555555555554) internal successors, (1337), 9 states have internal predecessors, (1337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:46,392 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 322.0) internal successors, (3220), 10 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:46,394 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 322.0) internal successors, (3220), 10 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:46,394 INFO L175 Difference]: Start difference. First operand has 54 places, 34 transitions, 229 flow. Second operand 9 states and 1337 transitions. [2023-08-30 08:50:46,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 57 transitions, 412 flow [2023-08-30 08:50:46,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 57 transitions, 392 flow, removed 2 selfloop flow, removed 3 redundant places. [2023-08-30 08:50:46,398 INFO L231 Difference]: Finished difference. Result has 62 places, 41 transitions, 311 flow [2023-08-30 08:50:46,398 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=213, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=311, PETRI_PLACES=62, PETRI_TRANSITIONS=41} [2023-08-30 08:50:46,399 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 29 predicate places. [2023-08-30 08:50:46,399 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 41 transitions, 311 flow [2023-08-30 08:50:46,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 144.57142857142858) internal successors, (1012), 7 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:46,400 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:46,400 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:46,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-30 08:50:46,400 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:50:46,400 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:46,401 INFO L85 PathProgramCache]: Analyzing trace with hash -499084517, now seen corresponding path program 1 times [2023-08-30 08:50:46,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:46,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347522668] [2023-08-30 08:50:46,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:46,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:47,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:50:47,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:47,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347522668] [2023-08-30 08:50:47,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347522668] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:47,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:47,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-30 08:50:47,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854613989] [2023-08-30 08:50:47,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:47,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-30 08:50:47,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:47,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-30 08:50:47,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-08-30 08:50:47,456 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 322 [2023-08-30 08:50:47,458 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 41 transitions, 311 flow. Second operand has 11 states, 11 states have (on average 138.0909090909091) internal successors, (1519), 11 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:47,458 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:47,458 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 322 [2023-08-30 08:50:47,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:47,785 INFO L130 PetriNetUnfolder]: 60/162 cut-off events. [2023-08-30 08:50:47,786 INFO L131 PetriNetUnfolder]: For 361/361 co-relation queries the response was YES. [2023-08-30 08:50:47,786 INFO L83 FinitePrefix]: Finished finitePrefix Result has 617 conditions, 162 events. 60/162 cut-off events. For 361/361 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 580 event pairs, 9 based on Foata normal form. 3/165 useless extension candidates. Maximal degree in co-relation 483. Up to 77 conditions per place. [2023-08-30 08:50:47,787 INFO L137 encePairwiseOnDemand]: 310/322 looper letters, 41 selfloop transitions, 20 changer transitions 3/64 dead transitions. [2023-08-30 08:50:47,787 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 64 transitions, 502 flow [2023-08-30 08:50:47,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 08:50:47,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 08:50:47,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1565 transitions. [2023-08-30 08:50:47,793 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4418407679277245 [2023-08-30 08:50:47,793 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1565 transitions. [2023-08-30 08:50:47,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1565 transitions. [2023-08-30 08:50:47,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:47,795 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1565 transitions. [2023-08-30 08:50:47,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 142.27272727272728) internal successors, (1565), 11 states have internal predecessors, (1565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:47,803 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 322.0) internal successors, (3864), 12 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:47,804 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 322.0) internal successors, (3864), 12 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:47,804 INFO L175 Difference]: Start difference. First operand has 62 places, 41 transitions, 311 flow. Second operand 11 states and 1565 transitions. [2023-08-30 08:50:47,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 64 transitions, 502 flow [2023-08-30 08:50:47,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 64 transitions, 478 flow, removed 3 selfloop flow, removed 3 redundant places. [2023-08-30 08:50:47,808 INFO L231 Difference]: Finished difference. Result has 70 places, 41 transitions, 330 flow [2023-08-30 08:50:47,809 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=330, PETRI_PLACES=70, PETRI_TRANSITIONS=41} [2023-08-30 08:50:47,809 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 37 predicate places. [2023-08-30 08:50:47,810 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 41 transitions, 330 flow [2023-08-30 08:50:47,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 138.0909090909091) internal successors, (1519), 11 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:47,811 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:47,811 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:47,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-30 08:50:47,811 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 08:50:47,811 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:47,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1389661617, now seen corresponding path program 2 times [2023-08-30 08:50:47,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:47,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92449259] [2023-08-30 08:50:47,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:47,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:48,494 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 08:50:48,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:48,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92449259] [2023-08-30 08:50:48,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92449259] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:48,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:48,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-30 08:50:48,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75265836] [2023-08-30 08:50:48,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:48,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-30 08:50:48,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:48,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-30 08:50:48,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-08-30 08:50:48,898 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 322 [2023-08-30 08:50:48,899 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 41 transitions, 330 flow. Second operand has 11 states, 11 states have (on average 138.0909090909091) internal successors, (1519), 11 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:48,899 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:48,899 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 322 [2023-08-30 08:50:48,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:49,140 INFO L130 PetriNetUnfolder]: 57/152 cut-off events. [2023-08-30 08:50:49,140 INFO L131 PetriNetUnfolder]: For 379/379 co-relation queries the response was YES. [2023-08-30 08:50:49,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 613 conditions, 152 events. 57/152 cut-off events. For 379/379 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 521 event pairs, 4 based on Foata normal form. 3/155 useless extension candidates. Maximal degree in co-relation 541. Up to 42 conditions per place. [2023-08-30 08:50:49,142 INFO L137 encePairwiseOnDemand]: 311/322 looper letters, 36 selfloop transitions, 22 changer transitions 2/60 dead transitions. [2023-08-30 08:50:49,142 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 60 transitions, 515 flow [2023-08-30 08:50:49,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 08:50:49,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 08:50:49,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1558 transitions. [2023-08-30 08:50:49,146 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4398644833427442 [2023-08-30 08:50:49,146 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1558 transitions. [2023-08-30 08:50:49,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1558 transitions. [2023-08-30 08:50:49,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:49,147 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1558 transitions. [2023-08-30 08:50:49,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 141.63636363636363) internal successors, (1558), 11 states have internal predecessors, (1558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:49,155 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 322.0) internal successors, (3864), 12 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:49,156 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 322.0) internal successors, (3864), 12 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:49,156 INFO L175 Difference]: Start difference. First operand has 70 places, 41 transitions, 330 flow. Second operand 11 states and 1558 transitions. [2023-08-30 08:50:49,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 60 transitions, 515 flow [2023-08-30 08:50:49,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 60 transitions, 461 flow, removed 7 selfloop flow, removed 10 redundant places. [2023-08-30 08:50:49,159 INFO L231 Difference]: Finished difference. Result has 73 places, 43 transitions, 366 flow [2023-08-30 08:50:49,159 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=366, PETRI_PLACES=73, PETRI_TRANSITIONS=43} [2023-08-30 08:50:49,160 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 40 predicate places. [2023-08-30 08:50:49,160 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 43 transitions, 366 flow [2023-08-30 08:50:49,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 138.0909090909091) internal successors, (1519), 11 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:49,161 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:49,161 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:49,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-30 08:50:49,161 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:50:49,161 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:49,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1389661700, now seen corresponding path program 2 times [2023-08-30 08:50:49,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:49,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562819808] [2023-08-30 08:50:49,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:49,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:49,685 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 08:50:49,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:49,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562819808] [2023-08-30 08:50:49,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562819808] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:49,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:49,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-30 08:50:49,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516057007] [2023-08-30 08:50:49,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:49,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-30 08:50:49,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:49,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-30 08:50:49,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-08-30 08:50:50,014 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 322 [2023-08-30 08:50:50,016 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 43 transitions, 366 flow. Second operand has 11 states, 11 states have (on average 137.0909090909091) internal successors, (1508), 11 states have internal predecessors, (1508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:50,016 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:50,016 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 322 [2023-08-30 08:50:50,016 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:50,259 INFO L130 PetriNetUnfolder]: 55/145 cut-off events. [2023-08-30 08:50:50,259 INFO L131 PetriNetUnfolder]: For 400/400 co-relation queries the response was YES. [2023-08-30 08:50:50,260 INFO L83 FinitePrefix]: Finished finitePrefix Result has 610 conditions, 145 events. 55/145 cut-off events. For 400/400 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 477 event pairs, 9 based on Foata normal form. 3/148 useless extension candidates. Maximal degree in co-relation 553. Up to 33 conditions per place. [2023-08-30 08:50:50,260 INFO L137 encePairwiseOnDemand]: 312/322 looper letters, 33 selfloop transitions, 21 changer transitions 2/56 dead transitions. [2023-08-30 08:50:50,260 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 56 transitions, 501 flow [2023-08-30 08:50:50,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-30 08:50:50,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-30 08:50:50,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1406 transitions. [2023-08-30 08:50:50,269 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4366459627329193 [2023-08-30 08:50:50,269 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1406 transitions. [2023-08-30 08:50:50,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1406 transitions. [2023-08-30 08:50:50,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:50,270 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1406 transitions. [2023-08-30 08:50:50,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 140.6) internal successors, (1406), 10 states have internal predecessors, (1406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:50,289 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:50,291 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:50,291 INFO L175 Difference]: Start difference. First operand has 73 places, 43 transitions, 366 flow. Second operand 10 states and 1406 transitions. [2023-08-30 08:50:50,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 56 transitions, 501 flow [2023-08-30 08:50:50,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 56 transitions, 458 flow, removed 3 selfloop flow, removed 9 redundant places. [2023-08-30 08:50:50,299 INFO L231 Difference]: Finished difference. Result has 73 places, 41 transitions, 347 flow [2023-08-30 08:50:50,299 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=305, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=347, PETRI_PLACES=73, PETRI_TRANSITIONS=41} [2023-08-30 08:50:50,300 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 40 predicate places. [2023-08-30 08:50:50,300 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 41 transitions, 347 flow [2023-08-30 08:50:50,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 137.0909090909091) internal successors, (1508), 11 states have internal predecessors, (1508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:50,301 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:50,301 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:50,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-30 08:50:50,301 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 08:50:50,301 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:50,302 INFO L85 PathProgramCache]: Analyzing trace with hash 443885985, now seen corresponding path program 1 times [2023-08-30 08:50:50,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:50,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399159507] [2023-08-30 08:50:50,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:50,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:50,963 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 08:50:50,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:50,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399159507] [2023-08-30 08:50:50,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399159507] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:50,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:50,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-30 08:50:50,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214943511] [2023-08-30 08:50:50,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:50,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-30 08:50:50,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:50,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-30 08:50:50,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-08-30 08:50:51,350 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 322 [2023-08-30 08:50:51,352 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 41 transitions, 347 flow. Second operand has 11 states, 11 states have (on average 138.0909090909091) internal successors, (1519), 11 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:51,352 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:51,352 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 322 [2023-08-30 08:50:51,352 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:51,638 INFO L130 PetriNetUnfolder]: 54/142 cut-off events. [2023-08-30 08:50:51,638 INFO L131 PetriNetUnfolder]: For 374/374 co-relation queries the response was YES. [2023-08-30 08:50:51,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 602 conditions, 142 events. 54/142 cut-off events. For 374/374 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 460 event pairs, 18 based on Foata normal form. 2/144 useless extension candidates. Maximal degree in co-relation 488. Up to 93 conditions per place. [2023-08-30 08:50:51,639 INFO L137 encePairwiseOnDemand]: 311/322 looper letters, 36 selfloop transitions, 17 changer transitions 1/54 dead transitions. [2023-08-30 08:50:51,639 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 54 transitions, 485 flow [2023-08-30 08:50:51,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 08:50:51,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 08:50:51,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1552 transitions. [2023-08-30 08:50:51,644 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43817052512704685 [2023-08-30 08:50:51,644 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1552 transitions. [2023-08-30 08:50:51,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1552 transitions. [2023-08-30 08:50:51,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:51,645 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1552 transitions. [2023-08-30 08:50:51,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 141.0909090909091) internal successors, (1552), 11 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:51,652 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 322.0) internal successors, (3864), 12 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:51,653 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 322.0) internal successors, (3864), 12 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:51,653 INFO L175 Difference]: Start difference. First operand has 73 places, 41 transitions, 347 flow. Second operand 11 states and 1552 transitions. [2023-08-30 08:50:51,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 54 transitions, 485 flow [2023-08-30 08:50:51,655 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 54 transitions, 444 flow, removed 1 selfloop flow, removed 8 redundant places. [2023-08-30 08:50:51,658 INFO L231 Difference]: Finished difference. Result has 72 places, 40 transitions, 334 flow [2023-08-30 08:50:51,658 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=334, PETRI_PLACES=72, PETRI_TRANSITIONS=40} [2023-08-30 08:50:51,659 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 39 predicate places. [2023-08-30 08:50:51,659 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 40 transitions, 334 flow [2023-08-30 08:50:51,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 138.0909090909091) internal successors, (1519), 11 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:51,660 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:51,660 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:51,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-30 08:50:51,660 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 08:50:51,661 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:51,661 INFO L85 PathProgramCache]: Analyzing trace with hash 443885969, now seen corresponding path program 1 times [2023-08-30 08:50:51,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:51,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916946577] [2023-08-30 08:50:51,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:51,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:52,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:50:52,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:52,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916946577] [2023-08-30 08:50:52,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916946577] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:52,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:52,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-30 08:50:52,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824665922] [2023-08-30 08:50:52,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:52,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-30 08:50:52,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:52,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-30 08:50:52,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-08-30 08:50:52,371 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 322 [2023-08-30 08:50:52,372 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 40 transitions, 334 flow. Second operand has 9 states, 9 states have (on average 138.33333333333334) internal successors, (1245), 9 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:52,372 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:52,373 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 322 [2023-08-30 08:50:52,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:52,544 INFO L130 PetriNetUnfolder]: 47/131 cut-off events. [2023-08-30 08:50:52,544 INFO L131 PetriNetUnfolder]: For 360/360 co-relation queries the response was YES. [2023-08-30 08:50:52,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 567 conditions, 131 events. 47/131 cut-off events. For 360/360 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 424 event pairs, 17 based on Foata normal form. 2/133 useless extension candidates. Maximal degree in co-relation 434. Up to 68 conditions per place. [2023-08-30 08:50:52,545 INFO L137 encePairwiseOnDemand]: 313/322 looper letters, 36 selfloop transitions, 7 changer transitions 11/54 dead transitions. [2023-08-30 08:50:52,545 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 54 transitions, 489 flow [2023-08-30 08:50:52,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-30 08:50:52,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-30 08:50:52,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1134 transitions. [2023-08-30 08:50:52,548 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44021739130434784 [2023-08-30 08:50:52,548 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1134 transitions. [2023-08-30 08:50:52,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1134 transitions. [2023-08-30 08:50:52,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:52,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1134 transitions. [2023-08-30 08:50:52,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 141.75) internal successors, (1134), 8 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:52,561 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 322.0) internal successors, (2898), 9 states have internal predecessors, (2898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:52,562 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 322.0) internal successors, (2898), 9 states have internal predecessors, (2898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:52,562 INFO L175 Difference]: Start difference. First operand has 72 places, 40 transitions, 334 flow. Second operand 8 states and 1134 transitions. [2023-08-30 08:50:52,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 54 transitions, 489 flow [2023-08-30 08:50:52,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 54 transitions, 426 flow, removed 2 selfloop flow, removed 13 redundant places. [2023-08-30 08:50:52,565 INFO L231 Difference]: Finished difference. Result has 66 places, 35 transitions, 277 flow [2023-08-30 08:50:52,565 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=277, PETRI_PLACES=66, PETRI_TRANSITIONS=35} [2023-08-30 08:50:52,566 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 33 predicate places. [2023-08-30 08:50:52,566 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 35 transitions, 277 flow [2023-08-30 08:50:52,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 138.33333333333334) internal successors, (1245), 9 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:52,567 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:52,567 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:52,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-30 08:50:52,567 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:50:52,568 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:52,568 INFO L85 PathProgramCache]: Analyzing trace with hash -557141212, now seen corresponding path program 1 times [2023-08-30 08:50:52,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:52,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335075559] [2023-08-30 08:50:52,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:52,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:52,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:53,482 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 08:50:53,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:53,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335075559] [2023-08-30 08:50:53,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335075559] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:53,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:53,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:50:53,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513492077] [2023-08-30 08:50:53,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:53,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:50:53,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:53,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:50:53,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:50:54,256 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-08-30 08:50:54,257 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 35 transitions, 277 flow. Second operand has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:54,257 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:54,258 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-08-30 08:50:54,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:54,613 INFO L130 PetriNetUnfolder]: 46/141 cut-off events. [2023-08-30 08:50:54,613 INFO L131 PetriNetUnfolder]: For 366/366 co-relation queries the response was YES. [2023-08-30 08:50:54,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 605 conditions, 141 events. 46/141 cut-off events. For 366/366 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 489 event pairs, 15 based on Foata normal form. 4/145 useless extension candidates. Maximal degree in co-relation 513. Up to 69 conditions per place. [2023-08-30 08:50:54,614 INFO L137 encePairwiseOnDemand]: 313/322 looper letters, 41 selfloop transitions, 18 changer transitions 0/59 dead transitions. [2023-08-30 08:50:54,614 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 59 transitions, 537 flow [2023-08-30 08:50:54,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-30 08:50:54,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-30 08:50:54,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1331 transitions. [2023-08-30 08:50:54,620 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41335403726708075 [2023-08-30 08:50:54,620 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1331 transitions. [2023-08-30 08:50:54,620 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1331 transitions. [2023-08-30 08:50:54,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:54,621 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1331 transitions. [2023-08-30 08:50:54,624 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 133.1) internal successors, (1331), 10 states have internal predecessors, (1331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:54,628 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:54,629 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:54,629 INFO L175 Difference]: Start difference. First operand has 66 places, 35 transitions, 277 flow. Second operand 10 states and 1331 transitions. [2023-08-30 08:50:54,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 59 transitions, 537 flow [2023-08-30 08:50:54,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 59 transitions, 494 flow, removed 6 selfloop flow, removed 6 redundant places. [2023-08-30 08:50:54,632 INFO L231 Difference]: Finished difference. Result has 64 places, 44 transitions, 387 flow [2023-08-30 08:50:54,632 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=387, PETRI_PLACES=64, PETRI_TRANSITIONS=44} [2023-08-30 08:50:54,633 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 31 predicate places. [2023-08-30 08:50:54,633 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 44 transitions, 387 flow [2023-08-30 08:50:54,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:54,633 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:54,634 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:54,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-30 08:50:54,634 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 08:50:54,634 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:54,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1624372688, now seen corresponding path program 2 times [2023-08-30 08:50:54,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:54,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250354643] [2023-08-30 08:50:54,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:54,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:55,388 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 08:50:55,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:55,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250354643] [2023-08-30 08:50:55,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250354643] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:55,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:55,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:50:55,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867025382] [2023-08-30 08:50:55,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:55,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:50:55,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:55,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:50:55,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:50:56,008 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-08-30 08:50:56,010 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 44 transitions, 387 flow. Second operand has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:56,010 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:56,010 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-08-30 08:50:56,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:56,321 INFO L130 PetriNetUnfolder]: 52/169 cut-off events. [2023-08-30 08:50:56,321 INFO L131 PetriNetUnfolder]: For 521/521 co-relation queries the response was YES. [2023-08-30 08:50:56,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 766 conditions, 169 events. 52/169 cut-off events. For 521/521 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 679 event pairs, 19 based on Foata normal form. 4/173 useless extension candidates. Maximal degree in co-relation 628. Up to 116 conditions per place. [2023-08-30 08:50:56,323 INFO L137 encePairwiseOnDemand]: 313/322 looper letters, 50 selfloop transitions, 15 changer transitions 0/65 dead transitions. [2023-08-30 08:50:56,323 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 65 transitions, 665 flow [2023-08-30 08:50:56,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-30 08:50:56,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-30 08:50:56,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1327 transitions. [2023-08-30 08:50:56,328 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.412111801242236 [2023-08-30 08:50:56,328 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1327 transitions. [2023-08-30 08:50:56,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1327 transitions. [2023-08-30 08:50:56,330 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:56,330 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1327 transitions. [2023-08-30 08:50:56,334 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 132.7) internal successors, (1327), 10 states have internal predecessors, (1327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:56,339 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:56,340 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:56,340 INFO L175 Difference]: Start difference. First operand has 64 places, 44 transitions, 387 flow. Second operand 10 states and 1327 transitions. [2023-08-30 08:50:56,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 65 transitions, 665 flow [2023-08-30 08:50:56,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 65 transitions, 650 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-30 08:50:56,344 INFO L231 Difference]: Finished difference. Result has 78 places, 54 transitions, 543 flow [2023-08-30 08:50:56,344 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=377, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=543, PETRI_PLACES=78, PETRI_TRANSITIONS=54} [2023-08-30 08:50:56,345 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 45 predicate places. [2023-08-30 08:50:56,345 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 54 transitions, 543 flow [2023-08-30 08:50:56,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:56,346 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:56,346 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:56,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-30 08:50:56,346 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 08:50:56,347 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:56,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1199425478, now seen corresponding path program 3 times [2023-08-30 08:50:56,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:56,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719724996] [2023-08-30 08:50:56,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:56,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:57,232 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 08:50:57,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:57,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719724996] [2023-08-30 08:50:57,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719724996] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:57,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:57,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:50:57,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311285918] [2023-08-30 08:50:57,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:57,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:50:57,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:57,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:50:57,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:50:57,907 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-08-30 08:50:57,908 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 54 transitions, 543 flow. Second operand has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:57,908 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:57,908 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-08-30 08:50:57,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:58,246 INFO L130 PetriNetUnfolder]: 58/194 cut-off events. [2023-08-30 08:50:58,246 INFO L131 PetriNetUnfolder]: For 822/822 co-relation queries the response was YES. [2023-08-30 08:50:58,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 969 conditions, 194 events. 58/194 cut-off events. For 822/822 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 838 event pairs, 23 based on Foata normal form. 4/198 useless extension candidates. Maximal degree in co-relation 814. Up to 108 conditions per place. [2023-08-30 08:50:58,249 INFO L137 encePairwiseOnDemand]: 313/322 looper letters, 49 selfloop transitions, 24 changer transitions 0/73 dead transitions. [2023-08-30 08:50:58,249 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 73 transitions, 827 flow [2023-08-30 08:50:58,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-30 08:50:58,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-30 08:50:58,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1330 transitions. [2023-08-30 08:50:58,252 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41304347826086957 [2023-08-30 08:50:58,252 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1330 transitions. [2023-08-30 08:50:58,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1330 transitions. [2023-08-30 08:50:58,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:58,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1330 transitions. [2023-08-30 08:50:58,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 133.0) internal successors, (1330), 10 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:58,259 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:58,260 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:58,260 INFO L175 Difference]: Start difference. First operand has 78 places, 54 transitions, 543 flow. Second operand 10 states and 1330 transitions. [2023-08-30 08:50:58,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 73 transitions, 827 flow [2023-08-30 08:50:58,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 73 transitions, 811 flow, removed 8 selfloop flow, removed 0 redundant places. [2023-08-30 08:50:58,266 INFO L231 Difference]: Finished difference. Result has 92 places, 61 transitions, 702 flow [2023-08-30 08:50:58,266 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=529, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=702, PETRI_PLACES=92, PETRI_TRANSITIONS=61} [2023-08-30 08:50:58,267 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 59 predicate places. [2023-08-30 08:50:58,267 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 61 transitions, 702 flow [2023-08-30 08:50:58,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:58,268 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:58,268 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:58,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-30 08:50:58,268 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 08:50:58,268 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:58,269 INFO L85 PathProgramCache]: Analyzing trace with hash 995966615, now seen corresponding path program 1 times [2023-08-30 08:50:58,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:58,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762795949] [2023-08-30 08:50:58,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:58,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:50:58,904 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 08:50:58,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:50:58,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762795949] [2023-08-30 08:50:58,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762795949] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:50:58,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:50:58,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-30 08:50:58,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760212785] [2023-08-30 08:50:58,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:50:58,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-30 08:50:58,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:50:58,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-30 08:50:58,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-08-30 08:50:59,582 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-08-30 08:50:59,583 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 61 transitions, 702 flow. Second operand has 12 states, 12 states have (on average 130.25) internal successors, (1563), 12 states have internal predecessors, (1563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:59,583 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:50:59,583 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-08-30 08:50:59,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:50:59,850 INFO L130 PetriNetUnfolder]: 80/262 cut-off events. [2023-08-30 08:50:59,851 INFO L131 PetriNetUnfolder]: For 1511/1511 co-relation queries the response was YES. [2023-08-30 08:50:59,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1398 conditions, 262 events. 80/262 cut-off events. For 1511/1511 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1296 event pairs, 36 based on Foata normal form. 4/266 useless extension candidates. Maximal degree in co-relation 1188. Up to 145 conditions per place. [2023-08-30 08:50:59,853 INFO L137 encePairwiseOnDemand]: 311/322 looper letters, 58 selfloop transitions, 36 changer transitions 0/94 dead transitions. [2023-08-30 08:50:59,853 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 94 transitions, 1168 flow [2023-08-30 08:50:59,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-30 08:50:59,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-30 08:50:59,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1336 transitions. [2023-08-30 08:50:59,856 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41490683229813663 [2023-08-30 08:50:59,856 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1336 transitions. [2023-08-30 08:50:59,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1336 transitions. [2023-08-30 08:50:59,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:50:59,859 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1336 transitions. [2023-08-30 08:50:59,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 133.6) internal successors, (1336), 10 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:59,865 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:59,866 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:59,866 INFO L175 Difference]: Start difference. First operand has 92 places, 61 transitions, 702 flow. Second operand 10 states and 1336 transitions. [2023-08-30 08:50:59,866 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 94 transitions, 1168 flow [2023-08-30 08:50:59,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 94 transitions, 1148 flow, removed 8 selfloop flow, removed 1 redundant places. [2023-08-30 08:50:59,875 INFO L231 Difference]: Finished difference. Result has 106 places, 74 transitions, 1009 flow [2023-08-30 08:50:59,875 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=682, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1009, PETRI_PLACES=106, PETRI_TRANSITIONS=74} [2023-08-30 08:50:59,876 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 73 predicate places. [2023-08-30 08:50:59,876 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 74 transitions, 1009 flow [2023-08-30 08:50:59,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 130.25) internal successors, (1563), 12 states have internal predecessors, (1563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:50:59,877 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:50:59,877 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:50:59,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-30 08:50:59,877 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:50:59,877 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:50:59,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1598410417, now seen corresponding path program 2 times [2023-08-30 08:50:59,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:50:59,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028156303] [2023-08-30 08:50:59,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:50:59,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:50:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:00,485 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 08:51:00,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:00,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028156303] [2023-08-30 08:51:00,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028156303] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:00,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:00,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-30 08:51:00,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643191369] [2023-08-30 08:51:00,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:00,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-30 08:51:00,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:00,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-30 08:51:00,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-08-30 08:51:00,991 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-08-30 08:51:00,992 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 74 transitions, 1009 flow. Second operand has 12 states, 12 states have (on average 130.25) internal successors, (1563), 12 states have internal predecessors, (1563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:00,992 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:00,992 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-08-30 08:51:00,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:01,326 INFO L130 PetriNetUnfolder]: 87/299 cut-off events. [2023-08-30 08:51:01,326 INFO L131 PetriNetUnfolder]: For 2190/2190 co-relation queries the response was YES. [2023-08-30 08:51:01,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1754 conditions, 299 events. 87/299 cut-off events. For 2190/2190 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1629 event pairs, 29 based on Foata normal form. 4/303 useless extension candidates. Maximal degree in co-relation 1499. Up to 153 conditions per place. [2023-08-30 08:51:01,330 INFO L137 encePairwiseOnDemand]: 311/322 looper letters, 62 selfloop transitions, 51 changer transitions 0/113 dead transitions. [2023-08-30 08:51:01,330 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 113 transitions, 1576 flow [2023-08-30 08:51:01,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-30 08:51:01,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-30 08:51:01,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1606 transitions. [2023-08-30 08:51:01,333 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41563146997929606 [2023-08-30 08:51:01,333 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1606 transitions. [2023-08-30 08:51:01,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1606 transitions. [2023-08-30 08:51:01,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:01,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1606 transitions. [2023-08-30 08:51:01,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 133.83333333333334) internal successors, (1606), 12 states have internal predecessors, (1606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:01,340 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 322.0) internal successors, (4186), 13 states have internal predecessors, (4186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:01,340 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 322.0) internal successors, (4186), 13 states have internal predecessors, (4186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:01,341 INFO L175 Difference]: Start difference. First operand has 106 places, 74 transitions, 1009 flow. Second operand 12 states and 1606 transitions. [2023-08-30 08:51:01,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 113 transitions, 1576 flow [2023-08-30 08:51:01,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 113 transitions, 1553 flow, removed 9 selfloop flow, removed 2 redundant places. [2023-08-30 08:51:01,351 INFO L231 Difference]: Finished difference. Result has 119 places, 92 transitions, 1405 flow [2023-08-30 08:51:01,351 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=986, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1405, PETRI_PLACES=119, PETRI_TRANSITIONS=92} [2023-08-30 08:51:01,351 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 86 predicate places. [2023-08-30 08:51:01,352 INFO L495 AbstractCegarLoop]: Abstraction has has 119 places, 92 transitions, 1405 flow [2023-08-30 08:51:01,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 130.25) internal successors, (1563), 12 states have internal predecessors, (1563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:01,352 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:01,353 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:01,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-30 08:51:01,353 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 08:51:01,353 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:01,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1495720830, now seen corresponding path program 4 times [2023-08-30 08:51:01,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:01,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608973057] [2023-08-30 08:51:01,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:01,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:02,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:51:02,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:02,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608973057] [2023-08-30 08:51:02,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608973057] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:02,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:02,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:51:02,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910698673] [2023-08-30 08:51:02,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:02,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:51:02,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:02,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:51:02,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:51:02,809 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-08-30 08:51:02,810 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 92 transitions, 1405 flow. Second operand has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:02,810 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:02,810 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-08-30 08:51:02,810 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:03,322 INFO L130 PetriNetUnfolder]: 90/324 cut-off events. [2023-08-30 08:51:03,323 INFO L131 PetriNetUnfolder]: For 3112/3112 co-relation queries the response was YES. [2023-08-30 08:51:03,324 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2024 conditions, 324 events. 90/324 cut-off events. For 3112/3112 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1841 event pairs, 23 based on Foata normal form. 12/336 useless extension candidates. Maximal degree in co-relation 1842. Up to 80 conditions per place. [2023-08-30 08:51:03,326 INFO L137 encePairwiseOnDemand]: 311/322 looper letters, 54 selfloop transitions, 54 changer transitions 14/122 dead transitions. [2023-08-30 08:51:03,326 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 122 transitions, 1856 flow [2023-08-30 08:51:03,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-08-30 08:51:03,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-08-30 08:51:03,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1995 transitions. [2023-08-30 08:51:03,330 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41304347826086957 [2023-08-30 08:51:03,330 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1995 transitions. [2023-08-30 08:51:03,330 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1995 transitions. [2023-08-30 08:51:03,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:03,331 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1995 transitions. [2023-08-30 08:51:03,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 133.0) internal successors, (1995), 15 states have internal predecessors, (1995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:03,338 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 322.0) internal successors, (5152), 16 states have internal predecessors, (5152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:03,338 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 322.0) internal successors, (5152), 16 states have internal predecessors, (5152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:03,339 INFO L175 Difference]: Start difference. First operand has 119 places, 92 transitions, 1405 flow. Second operand 15 states and 1995 transitions. [2023-08-30 08:51:03,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 122 transitions, 1856 flow [2023-08-30 08:51:03,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 122 transitions, 1768 flow, removed 19 selfloop flow, removed 4 redundant places. [2023-08-30 08:51:03,354 INFO L231 Difference]: Finished difference. Result has 134 places, 86 transitions, 1391 flow [2023-08-30 08:51:03,354 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=1246, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1391, PETRI_PLACES=134, PETRI_TRANSITIONS=86} [2023-08-30 08:51:03,354 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 101 predicate places. [2023-08-30 08:51:03,355 INFO L495 AbstractCegarLoop]: Abstraction has has 134 places, 86 transitions, 1391 flow [2023-08-30 08:51:03,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:03,355 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:03,355 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:03,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-30 08:51:03,356 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:51:03,356 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:03,356 INFO L85 PathProgramCache]: Analyzing trace with hash 951321150, now seen corresponding path program 5 times [2023-08-30 08:51:03,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:03,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25924681] [2023-08-30 08:51:03,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:03,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:04,111 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 08:51:04,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:04,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25924681] [2023-08-30 08:51:04,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25924681] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:04,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:04,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:51:04,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274086626] [2023-08-30 08:51:04,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:04,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:51:04,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:04,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:51:04,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:51:04,696 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-08-30 08:51:04,697 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 86 transitions, 1391 flow. Second operand has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:04,697 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:04,697 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-08-30 08:51:04,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:05,025 INFO L130 PetriNetUnfolder]: 74/268 cut-off events. [2023-08-30 08:51:05,025 INFO L131 PetriNetUnfolder]: For 3044/3044 co-relation queries the response was YES. [2023-08-30 08:51:05,027 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1806 conditions, 268 events. 74/268 cut-off events. For 3044/3044 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1427 event pairs, 18 based on Foata normal form. 8/276 useless extension candidates. Maximal degree in co-relation 1752. Up to 85 conditions per place. [2023-08-30 08:51:05,029 INFO L137 encePairwiseOnDemand]: 311/322 looper letters, 45 selfloop transitions, 52 changer transitions 0/97 dead transitions. [2023-08-30 08:51:05,029 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 97 transitions, 1602 flow [2023-08-30 08:51:05,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-30 08:51:05,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-30 08:51:05,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1336 transitions. [2023-08-30 08:51:05,031 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41490683229813663 [2023-08-30 08:51:05,031 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1336 transitions. [2023-08-30 08:51:05,031 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1336 transitions. [2023-08-30 08:51:05,032 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:05,032 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1336 transitions. [2023-08-30 08:51:05,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 133.6) internal successors, (1336), 10 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:05,036 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:05,037 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:05,037 INFO L175 Difference]: Start difference. First operand has 134 places, 86 transitions, 1391 flow. Second operand 10 states and 1336 transitions. [2023-08-30 08:51:05,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 97 transitions, 1602 flow [2023-08-30 08:51:05,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 97 transitions, 1398 flow, removed 36 selfloop flow, removed 16 redundant places. [2023-08-30 08:51:05,051 INFO L231 Difference]: Finished difference. Result has 124 places, 84 transitions, 1270 flow [2023-08-30 08:51:05,051 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=1160, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1270, PETRI_PLACES=124, PETRI_TRANSITIONS=84} [2023-08-30 08:51:05,052 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 91 predicate places. [2023-08-30 08:51:05,052 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 84 transitions, 1270 flow [2023-08-30 08:51:05,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:05,053 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:05,053 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:05,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-30 08:51:05,053 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 08:51:05,053 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:05,054 INFO L85 PathProgramCache]: Analyzing trace with hash -316975433, now seen corresponding path program 3 times [2023-08-30 08:51:05,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:05,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675056381] [2023-08-30 08:51:05,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:05,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:05,522 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 08:51:05,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:05,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675056381] [2023-08-30 08:51:05,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675056381] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:05,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:05,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-30 08:51:05,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773386572] [2023-08-30 08:51:05,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:05,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-30 08:51:05,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:05,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-30 08:51:05,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-08-30 08:51:05,933 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 322 [2023-08-30 08:51:05,933 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 84 transitions, 1270 flow. Second operand has 10 states, 10 states have (on average 136.4) internal successors, (1364), 10 states have internal predecessors, (1364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:05,933 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:05,934 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 322 [2023-08-30 08:51:05,934 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:06,209 INFO L130 PetriNetUnfolder]: 58/254 cut-off events. [2023-08-30 08:51:06,209 INFO L131 PetriNetUnfolder]: For 2520/2521 co-relation queries the response was YES. [2023-08-30 08:51:06,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1695 conditions, 254 events. 58/254 cut-off events. For 2520/2521 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1469 event pairs, 17 based on Foata normal form. 5/259 useless extension candidates. Maximal degree in co-relation 1486. Up to 110 conditions per place. [2023-08-30 08:51:06,211 INFO L137 encePairwiseOnDemand]: 312/322 looper letters, 40 selfloop transitions, 51 changer transitions 10/102 dead transitions. [2023-08-30 08:51:06,212 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 102 transitions, 1592 flow [2023-08-30 08:51:06,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-30 08:51:06,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-30 08:51:06,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1803 transitions. [2023-08-30 08:51:06,214 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4307214524605829 [2023-08-30 08:51:06,214 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1803 transitions. [2023-08-30 08:51:06,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1803 transitions. [2023-08-30 08:51:06,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:06,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1803 transitions. [2023-08-30 08:51:06,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 138.69230769230768) internal successors, (1803), 13 states have internal predecessors, (1803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:06,221 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 322.0) internal successors, (4508), 14 states have internal predecessors, (4508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:06,221 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 322.0) internal successors, (4508), 14 states have internal predecessors, (4508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:06,222 INFO L175 Difference]: Start difference. First operand has 124 places, 84 transitions, 1270 flow. Second operand 13 states and 1803 transitions. [2023-08-30 08:51:06,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 102 transitions, 1592 flow [2023-08-30 08:51:06,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 102 transitions, 1488 flow, removed 5 selfloop flow, removed 7 redundant places. [2023-08-30 08:51:06,233 INFO L231 Difference]: Finished difference. Result has 131 places, 83 transitions, 1277 flow [2023-08-30 08:51:06,233 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=1175, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1277, PETRI_PLACES=131, PETRI_TRANSITIONS=83} [2023-08-30 08:51:06,234 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 98 predicate places. [2023-08-30 08:51:06,234 INFO L495 AbstractCegarLoop]: Abstraction has has 131 places, 83 transitions, 1277 flow [2023-08-30 08:51:06,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 136.4) internal successors, (1364), 10 states have internal predecessors, (1364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:06,234 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:06,235 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:06,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-30 08:51:06,235 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 08:51:06,235 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:06,235 INFO L85 PathProgramCache]: Analyzing trace with hash 741014357, now seen corresponding path program 4 times [2023-08-30 08:51:06,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:06,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321835677] [2023-08-30 08:51:06,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:06,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:06,882 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 08:51:06,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:06,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321835677] [2023-08-30 08:51:06,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321835677] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:06,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:06,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:51:06,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256658029] [2023-08-30 08:51:06,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:06,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:51:06,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:06,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:51:06,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:51:07,519 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 322 [2023-08-30 08:51:07,520 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 83 transitions, 1277 flow. Second operand has 13 states, 13 states have (on average 129.15384615384616) internal successors, (1679), 13 states have internal predecessors, (1679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:07,520 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:07,520 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 322 [2023-08-30 08:51:07,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:07,802 INFO L130 PetriNetUnfolder]: 71/271 cut-off events. [2023-08-30 08:51:07,802 INFO L131 PetriNetUnfolder]: For 2447/2447 co-relation queries the response was YES. [2023-08-30 08:51:07,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1708 conditions, 271 events. 71/271 cut-off events. For 2447/2447 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1490 event pairs, 23 based on Foata normal form. 12/283 useless extension candidates. Maximal degree in co-relation 1615. Up to 97 conditions per place. [2023-08-30 08:51:07,805 INFO L137 encePairwiseOnDemand]: 312/322 looper letters, 40 selfloop transitions, 45 changer transitions 12/97 dead transitions. [2023-08-30 08:51:07,805 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 97 transitions, 1555 flow [2023-08-30 08:51:07,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-30 08:51:07,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-30 08:51:07,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1321 transitions. [2023-08-30 08:51:07,807 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41024844720496895 [2023-08-30 08:51:07,808 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1321 transitions. [2023-08-30 08:51:07,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1321 transitions. [2023-08-30 08:51:07,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:07,808 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1321 transitions. [2023-08-30 08:51:07,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 132.1) internal successors, (1321), 10 states have internal predecessors, (1321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:07,812 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:07,813 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:07,813 INFO L175 Difference]: Start difference. First operand has 131 places, 83 transitions, 1277 flow. Second operand 10 states and 1321 transitions. [2023-08-30 08:51:07,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 97 transitions, 1555 flow [2023-08-30 08:51:07,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 97 transitions, 1462 flow, removed 6 selfloop flow, removed 11 redundant places. [2023-08-30 08:51:07,825 INFO L231 Difference]: Finished difference. Result has 130 places, 75 transitions, 1175 flow [2023-08-30 08:51:07,825 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=1171, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1175, PETRI_PLACES=130, PETRI_TRANSITIONS=75} [2023-08-30 08:51:07,825 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 97 predicate places. [2023-08-30 08:51:07,825 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 75 transitions, 1175 flow [2023-08-30 08:51:07,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 129.15384615384616) internal successors, (1679), 13 states have internal predecessors, (1679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:07,826 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:07,826 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:07,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-08-30 08:51:07,826 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 08:51:07,827 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:07,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1824687753, now seen corresponding path program 5 times [2023-08-30 08:51:07,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:07,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089405808] [2023-08-30 08:51:07,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:07,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:08,399 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 08:51:08,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:08,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089405808] [2023-08-30 08:51:08,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089405808] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:08,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:08,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-30 08:51:08,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271801618] [2023-08-30 08:51:08,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:08,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-30 08:51:08,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:08,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-30 08:51:08,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-08-30 08:51:08,953 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-08-30 08:51:08,954 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 75 transitions, 1175 flow. Second operand has 12 states, 12 states have (on average 130.25) internal successors, (1563), 12 states have internal predecessors, (1563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:08,954 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:08,955 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-08-30 08:51:08,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:09,197 INFO L130 PetriNetUnfolder]: 57/229 cut-off events. [2023-08-30 08:51:09,197 INFO L131 PetriNetUnfolder]: For 2260/2260 co-relation queries the response was YES. [2023-08-30 08:51:09,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1510 conditions, 229 events. 57/229 cut-off events. For 2260/2260 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1195 event pairs, 30 based on Foata normal form. 4/233 useless extension candidates. Maximal degree in co-relation 1316. Up to 152 conditions per place. [2023-08-30 08:51:09,200 INFO L137 encePairwiseOnDemand]: 311/322 looper letters, 53 selfloop transitions, 18 changer transitions 18/89 dead transitions. [2023-08-30 08:51:09,200 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 89 transitions, 1413 flow [2023-08-30 08:51:09,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-30 08:51:09,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-30 08:51:09,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1333 transitions. [2023-08-30 08:51:09,202 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4139751552795031 [2023-08-30 08:51:09,203 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1333 transitions. [2023-08-30 08:51:09,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1333 transitions. [2023-08-30 08:51:09,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:09,203 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1333 transitions. [2023-08-30 08:51:09,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 133.3) internal successors, (1333), 10 states have internal predecessors, (1333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:09,207 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:09,208 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:09,208 INFO L175 Difference]: Start difference. First operand has 130 places, 75 transitions, 1175 flow. Second operand 10 states and 1333 transitions. [2023-08-30 08:51:09,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 89 transitions, 1413 flow [2023-08-30 08:51:09,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 89 transitions, 1303 flow, removed 1 selfloop flow, removed 11 redundant places. [2023-08-30 08:51:09,218 INFO L231 Difference]: Finished difference. Result has 126 places, 66 transitions, 957 flow [2023-08-30 08:51:09,218 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=1065, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=957, PETRI_PLACES=126, PETRI_TRANSITIONS=66} [2023-08-30 08:51:09,218 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 93 predicate places. [2023-08-30 08:51:09,219 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 66 transitions, 957 flow [2023-08-30 08:51:09,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 130.25) internal successors, (1563), 12 states have internal predecessors, (1563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:09,219 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:09,219 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:09,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-08-30 08:51:09,220 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 08:51:09,220 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:09,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1686500549, now seen corresponding path program 6 times [2023-08-30 08:51:09,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:09,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048767789] [2023-08-30 08:51:09,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:09,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:09,918 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 08:51:09,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:09,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048767789] [2023-08-30 08:51:09,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048767789] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:09,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:09,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:51:09,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084651369] [2023-08-30 08:51:09,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:09,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:51:09,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:09,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:51:09,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:51:10,749 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 322 [2023-08-30 08:51:10,750 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 66 transitions, 957 flow. Second operand has 13 states, 13 states have (on average 129.15384615384616) internal successors, (1679), 13 states have internal predecessors, (1679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:10,750 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:10,750 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 322 [2023-08-30 08:51:10,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:11,116 INFO L130 PetriNetUnfolder]: 47/192 cut-off events. [2023-08-30 08:51:11,116 INFO L131 PetriNetUnfolder]: For 1666/1666 co-relation queries the response was YES. [2023-08-30 08:51:11,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1233 conditions, 192 events. 47/192 cut-off events. For 1666/1666 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 931 event pairs, 27 based on Foata normal form. 4/196 useless extension candidates. Maximal degree in co-relation 1178. Up to 84 conditions per place. [2023-08-30 08:51:11,118 INFO L137 encePairwiseOnDemand]: 312/322 looper letters, 31 selfloop transitions, 32 changer transitions 16/79 dead transitions. [2023-08-30 08:51:11,118 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 79 transitions, 1179 flow [2023-08-30 08:51:11,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-30 08:51:11,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-30 08:51:11,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1320 transitions. [2023-08-30 08:51:11,131 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40993788819875776 [2023-08-30 08:51:11,131 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1320 transitions. [2023-08-30 08:51:11,131 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1320 transitions. [2023-08-30 08:51:11,131 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:11,131 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1320 transitions. [2023-08-30 08:51:11,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 132.0) internal successors, (1320), 10 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:11,137 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:11,138 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:11,138 INFO L175 Difference]: Start difference. First operand has 126 places, 66 transitions, 957 flow. Second operand 10 states and 1320 transitions. [2023-08-30 08:51:11,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 79 transitions, 1179 flow [2023-08-30 08:51:11,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 79 transitions, 1069 flow, removed 8 selfloop flow, removed 15 redundant places. [2023-08-30 08:51:11,146 INFO L231 Difference]: Finished difference. Result has 116 places, 59 transitions, 827 flow [2023-08-30 08:51:11,147 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=830, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=827, PETRI_PLACES=116, PETRI_TRANSITIONS=59} [2023-08-30 08:51:11,147 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 83 predicate places. [2023-08-30 08:51:11,147 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 59 transitions, 827 flow [2023-08-30 08:51:11,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 129.15384615384616) internal successors, (1679), 13 states have internal predecessors, (1679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:11,148 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:11,148 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:11,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-08-30 08:51:11,148 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 08:51:11,149 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:11,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1152105749, now seen corresponding path program 7 times [2023-08-30 08:51:11,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:11,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123214323] [2023-08-30 08:51:11,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:11,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:11,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 08:51:11,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:11,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123214323] [2023-08-30 08:51:11,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123214323] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:11,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:11,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-30 08:51:11,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86817098] [2023-08-30 08:51:11,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:11,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-30 08:51:11,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:11,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-30 08:51:11,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-08-30 08:51:12,067 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 322 [2023-08-30 08:51:12,068 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 59 transitions, 827 flow. Second operand has 10 states, 10 states have (on average 136.4) internal successors, (1364), 10 states have internal predecessors, (1364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:12,068 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:12,068 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 322 [2023-08-30 08:51:12,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:12,252 INFO L130 PetriNetUnfolder]: 25/136 cut-off events. [2023-08-30 08:51:12,252 INFO L131 PetriNetUnfolder]: For 1382/1385 co-relation queries the response was YES. [2023-08-30 08:51:12,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 911 conditions, 136 events. 25/136 cut-off events. For 1382/1385 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 615 event pairs, 8 based on Foata normal form. 10/146 useless extension candidates. Maximal degree in co-relation 781. Up to 42 conditions per place. [2023-08-30 08:51:12,253 INFO L137 encePairwiseOnDemand]: 314/322 looper letters, 34 selfloop transitions, 9 changer transitions 27/71 dead transitions. [2023-08-30 08:51:12,254 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 71 transitions, 1033 flow [2023-08-30 08:51:12,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-30 08:51:12,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-30 08:51:12,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1253 transitions. [2023-08-30 08:51:12,256 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4323671497584541 [2023-08-30 08:51:12,256 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1253 transitions. [2023-08-30 08:51:12,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1253 transitions. [2023-08-30 08:51:12,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:12,257 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1253 transitions. [2023-08-30 08:51:12,259 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 139.22222222222223) internal successors, (1253), 9 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:12,261 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 322.0) internal successors, (3220), 10 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:12,262 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 322.0) internal successors, (3220), 10 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:12,262 INFO L175 Difference]: Start difference. First operand has 116 places, 59 transitions, 827 flow. Second operand 9 states and 1253 transitions. [2023-08-30 08:51:12,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 71 transitions, 1033 flow [2023-08-30 08:51:12,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 71 transitions, 937 flow, removed 0 selfloop flow, removed 12 redundant places. [2023-08-30 08:51:12,267 INFO L231 Difference]: Finished difference. Result has 109 places, 38 transitions, 484 flow [2023-08-30 08:51:12,267 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=708, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=484, PETRI_PLACES=109, PETRI_TRANSITIONS=38} [2023-08-30 08:51:12,268 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 76 predicate places. [2023-08-30 08:51:12,268 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 38 transitions, 484 flow [2023-08-30 08:51:12,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 136.4) internal successors, (1364), 10 states have internal predecessors, (1364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:12,268 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:12,269 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:12,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-08-30 08:51:12,269 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 08:51:12,269 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:12,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1727151721, now seen corresponding path program 8 times [2023-08-30 08:51:12,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:12,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043934585] [2023-08-30 08:51:12,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:12,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:12,807 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 08:51:12,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:12,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043934585] [2023-08-30 08:51:12,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043934585] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:12,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:12,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-30 08:51:12,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539617146] [2023-08-30 08:51:12,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:12,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-30 08:51:12,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:12,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-30 08:51:12,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-08-30 08:51:13,208 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-08-30 08:51:13,209 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 38 transitions, 484 flow. Second operand has 12 states, 12 states have (on average 130.25) internal successors, (1563), 12 states have internal predecessors, (1563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:13,209 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:13,209 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-08-30 08:51:13,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:13,406 INFO L130 PetriNetUnfolder]: 22/93 cut-off events. [2023-08-30 08:51:13,407 INFO L131 PetriNetUnfolder]: For 694/694 co-relation queries the response was YES. [2023-08-30 08:51:13,407 INFO L83 FinitePrefix]: Finished finitePrefix Result has 583 conditions, 93 events. 22/93 cut-off events. For 694/694 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 314 event pairs, 9 based on Foata normal form. 4/97 useless extension candidates. Maximal degree in co-relation 539. Up to 41 conditions per place. [2023-08-30 08:51:13,407 INFO L137 encePairwiseOnDemand]: 313/322 looper letters, 23 selfloop transitions, 7 changer transitions 17/47 dead transitions. [2023-08-30 08:51:13,408 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 47 transitions, 602 flow [2023-08-30 08:51:13,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-30 08:51:13,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-30 08:51:13,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1325 transitions. [2023-08-30 08:51:13,410 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4114906832298137 [2023-08-30 08:51:13,410 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1325 transitions. [2023-08-30 08:51:13,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1325 transitions. [2023-08-30 08:51:13,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:13,411 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1325 transitions. [2023-08-30 08:51:13,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 132.5) internal successors, (1325), 10 states have internal predecessors, (1325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:13,415 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:13,416 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:13,416 INFO L175 Difference]: Start difference. First operand has 109 places, 38 transitions, 484 flow. Second operand 10 states and 1325 transitions. [2023-08-30 08:51:13,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 47 transitions, 602 flow [2023-08-30 08:51:13,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 47 transitions, 499 flow, removed 15 selfloop flow, removed 24 redundant places. [2023-08-30 08:51:13,419 INFO L231 Difference]: Finished difference. Result has 81 places, 26 transitions, 273 flow [2023-08-30 08:51:13,419 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=273, PETRI_PLACES=81, PETRI_TRANSITIONS=26} [2023-08-30 08:51:13,420 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 48 predicate places. [2023-08-30 08:51:13,420 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 26 transitions, 273 flow [2023-08-30 08:51:13,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 130.25) internal successors, (1563), 12 states have internal predecessors, (1563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:13,420 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:13,420 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:13,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-08-30 08:51:13,421 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 08:51:13,421 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:13,421 INFO L85 PathProgramCache]: Analyzing trace with hash 429101072, now seen corresponding path program 6 times [2023-08-30 08:51:13,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:13,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511723170] [2023-08-30 08:51:13,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:13,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:13,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:14,194 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 08:51:14,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:14,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511723170] [2023-08-30 08:51:14,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511723170] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:14,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:14,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:51:14,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216890661] [2023-08-30 08:51:14,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:14,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:51:14,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:14,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:51:14,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:51:14,984 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-08-30 08:51:14,985 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 26 transitions, 273 flow. Second operand has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:14,985 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:14,985 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-08-30 08:51:14,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:15,283 INFO L130 PetriNetUnfolder]: 15/61 cut-off events. [2023-08-30 08:51:15,284 INFO L131 PetriNetUnfolder]: For 326/326 co-relation queries the response was YES. [2023-08-30 08:51:15,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 61 events. 15/61 cut-off events. For 326/326 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 153 event pairs, 8 based on Foata normal form. 4/65 useless extension candidates. Maximal degree in co-relation 301. Up to 21 conditions per place. [2023-08-30 08:51:15,284 INFO L137 encePairwiseOnDemand]: 313/322 looper letters, 20 selfloop transitions, 12 changer transitions 0/32 dead transitions. [2023-08-30 08:51:15,284 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 32 transitions, 328 flow [2023-08-30 08:51:15,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 08:51:15,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 08:51:15,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1448 transitions. [2023-08-30 08:51:15,287 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4088085827216262 [2023-08-30 08:51:15,287 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1448 transitions. [2023-08-30 08:51:15,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1448 transitions. [2023-08-30 08:51:15,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:15,289 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1448 transitions. [2023-08-30 08:51:15,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 131.63636363636363) internal successors, (1448), 11 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:15,294 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 322.0) internal successors, (3864), 12 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:15,294 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 322.0) internal successors, (3864), 12 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:15,294 INFO L175 Difference]: Start difference. First operand has 81 places, 26 transitions, 273 flow. Second operand 11 states and 1448 transitions. [2023-08-30 08:51:15,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 32 transitions, 328 flow [2023-08-30 08:51:15,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 32 transitions, 257 flow, removed 14 selfloop flow, removed 15 redundant places. [2023-08-30 08:51:15,296 INFO L231 Difference]: Finished difference. Result has 63 places, 25 transitions, 194 flow [2023-08-30 08:51:15,296 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=194, PETRI_PLACES=63, PETRI_TRANSITIONS=25} [2023-08-30 08:51:15,301 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 30 predicate places. [2023-08-30 08:51:15,301 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 25 transitions, 194 flow [2023-08-30 08:51:15,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:15,303 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:15,303 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:15,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-08-30 08:51:15,303 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 08:51:15,304 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:15,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1539055883, now seen corresponding path program 9 times [2023-08-30 08:51:15,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:15,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74764316] [2023-08-30 08:51:15,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:15,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:15,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:15,970 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 08:51:15,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:15,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74764316] [2023-08-30 08:51:15,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74764316] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:15,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:15,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:51:15,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249331154] [2023-08-30 08:51:15,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:15,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:51:15,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:15,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:51:15,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:51:16,645 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 322 [2023-08-30 08:51:16,646 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 25 transitions, 194 flow. Second operand has 13 states, 13 states have (on average 129.15384615384616) internal successors, (1679), 13 states have internal predecessors, (1679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:16,646 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:16,646 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 322 [2023-08-30 08:51:16,647 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:17,034 INFO L130 PetriNetUnfolder]: 13/55 cut-off events. [2023-08-30 08:51:17,035 INFO L131 PetriNetUnfolder]: For 109/109 co-relation queries the response was YES. [2023-08-30 08:51:17,035 INFO L83 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 55 events. 13/55 cut-off events. For 109/109 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 125 event pairs, 4 based on Foata normal form. 4/59 useless extension candidates. Maximal degree in co-relation 188. Up to 15 conditions per place. [2023-08-30 08:51:17,035 INFO L137 encePairwiseOnDemand]: 312/322 looper letters, 10 selfloop transitions, 11 changer transitions 11/32 dead transitions. [2023-08-30 08:51:17,035 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 32 transitions, 271 flow [2023-08-30 08:51:17,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-30 08:51:17,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-30 08:51:17,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1565 transitions. [2023-08-30 08:51:17,038 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4050207039337474 [2023-08-30 08:51:17,038 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1565 transitions. [2023-08-30 08:51:17,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1565 transitions. [2023-08-30 08:51:17,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:17,039 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1565 transitions. [2023-08-30 08:51:17,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 130.41666666666666) internal successors, (1565), 12 states have internal predecessors, (1565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:17,043 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 322.0) internal successors, (4186), 13 states have internal predecessors, (4186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:17,043 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 322.0) internal successors, (4186), 13 states have internal predecessors, (4186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:17,043 INFO L175 Difference]: Start difference. First operand has 63 places, 25 transitions, 194 flow. Second operand 12 states and 1565 transitions. [2023-08-30 08:51:17,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 32 transitions, 271 flow [2023-08-30 08:51:17,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 32 transitions, 235 flow, removed 3 selfloop flow, removed 10 redundant places. [2023-08-30 08:51:17,045 INFO L231 Difference]: Finished difference. Result has 56 places, 18 transitions, 126 flow [2023-08-30 08:51:17,045 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=126, PETRI_PLACES=56, PETRI_TRANSITIONS=18} [2023-08-30 08:51:17,046 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 23 predicate places. [2023-08-30 08:51:17,046 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 18 transitions, 126 flow [2023-08-30 08:51:17,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 129.15384615384616) internal successors, (1679), 13 states have internal predecessors, (1679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:17,046 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 08:51:17,047 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:17,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-08-30 08:51:17,047 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 08:51:17,047 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 08:51:17,047 INFO L85 PathProgramCache]: Analyzing trace with hash -218077558, now seen corresponding path program 7 times [2023-08-30 08:51:17,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 08:51:17,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136477481] [2023-08-30 08:51:17,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 08:51:17,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 08:51:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 08:51:17,779 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 08:51:17,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 08:51:17,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136477481] [2023-08-30 08:51:17,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136477481] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 08:51:17,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 08:51:17,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 08:51:17,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369474169] [2023-08-30 08:51:17,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 08:51:17,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 08:51:17,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 08:51:17,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 08:51:17,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-08-30 08:51:18,613 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-08-30 08:51:18,614 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 18 transitions, 126 flow. Second operand has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:18,614 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 08:51:18,614 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-08-30 08:51:18,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 08:51:18,805 INFO L130 PetriNetUnfolder]: 5/28 cut-off events. [2023-08-30 08:51:18,805 INFO L131 PetriNetUnfolder]: For 63/63 co-relation queries the response was YES. [2023-08-30 08:51:18,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 28 events. 5/28 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs, 3 based on Foata normal form. 4/32 useless extension candidates. Maximal degree in co-relation 86. Up to 13 conditions per place. [2023-08-30 08:51:18,806 INFO L137 encePairwiseOnDemand]: 314/322 looper letters, 0 selfloop transitions, 0 changer transitions 17/17 dead transitions. [2023-08-30 08:51:18,806 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 17 transitions, 125 flow [2023-08-30 08:51:18,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-30 08:51:18,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-30 08:51:18,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1178 transitions. [2023-08-30 08:51:18,808 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4064872325741891 [2023-08-30 08:51:18,808 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1178 transitions. [2023-08-30 08:51:18,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1178 transitions. [2023-08-30 08:51:18,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 08:51:18,809 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1178 transitions. [2023-08-30 08:51:18,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 130.88888888888889) internal successors, (1178), 9 states have internal predecessors, (1178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:18,812 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 322.0) internal successors, (3220), 10 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:18,812 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 322.0) internal successors, (3220), 10 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:18,813 INFO L175 Difference]: Start difference. First operand has 56 places, 18 transitions, 126 flow. Second operand 9 states and 1178 transitions. [2023-08-30 08:51:18,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 17 transitions, 125 flow [2023-08-30 08:51:18,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 17 transitions, 88 flow, removed 0 selfloop flow, removed 17 redundant places. [2023-08-30 08:51:18,813 INFO L231 Difference]: Finished difference. Result has 33 places, 0 transitions, 0 flow [2023-08-30 08:51:18,814 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=0, PETRI_PLACES=33, PETRI_TRANSITIONS=0} [2023-08-30 08:51:18,814 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 0 predicate places. [2023-08-30 08:51:18,814 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 0 transitions, 0 flow [2023-08-30 08:51:18,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 08:51:18,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2023-08-30 08:51:18,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2023-08-30 08:51:18,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-08-30 08:51:18,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-08-30 08:51:18,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-08-30 08:51:18,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-08-30 08:51:18,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-08-30 08:51:18,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-08-30 08:51:18,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-08-30 08:51:18,819 INFO L445 BasicCegarLoop]: Path program histogram: [9, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-08-30 08:51:18,823 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-30 08:51:18,823 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-30 08:51:18,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 08:51:18 BasicIcfg [2023-08-30 08:51:18,826 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 08:51:18,826 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 08:51:18,827 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 08:51:18,827 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 08:51:18,827 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 08:50:31" (3/4) ... [2023-08-30 08:51:18,829 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 08:51:18,834 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2023-08-30 08:51:18,839 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-08-30 08:51:18,840 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-08-30 08:51:18,840 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-30 08:51:18,840 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-30 08:51:18,870 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 08:51:18,871 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 08:51:18,871 INFO L158 Benchmark]: Toolchain (without parser) took 48706.21ms. Allocated memory was 86.0MB in the beginning and 450.9MB in the end (delta: 364.9MB). Free memory was 58.6MB in the beginning and 173.1MB in the end (delta: -114.5MB). Peak memory consumption was 249.3MB. Max. memory is 16.1GB. [2023-08-30 08:51:18,871 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 08:51:18,871 INFO L158 Benchmark]: CACSL2BoogieTranslator took 847.04ms. Allocated memory is still 86.0MB. Free memory was 58.6MB in the beginning and 49.2MB in the end (delta: 9.4MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2023-08-30 08:51:18,872 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.36ms. Allocated memory is still 86.0MB. Free memory was 48.8MB in the beginning and 45.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 08:51:18,872 INFO L158 Benchmark]: Boogie Preprocessor took 36.48ms. Allocated memory is still 86.0MB. Free memory was 45.8MB in the beginning and 42.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 08:51:18,872 INFO L158 Benchmark]: RCFGBuilder took 559.86ms. Allocated memory is still 86.0MB. Free memory was 42.9MB in the beginning and 42.1MB in the end (delta: 802.6kB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2023-08-30 08:51:18,873 INFO L158 Benchmark]: TraceAbstraction took 47143.24ms. Allocated memory was 86.0MB in the beginning and 450.9MB in the end (delta: 364.9MB). Free memory was 41.4MB in the beginning and 176.3MB in the end (delta: -134.9MB). Peak memory consumption was 229.4MB. Max. memory is 16.1GB. [2023-08-30 08:51:18,873 INFO L158 Benchmark]: Witness Printer took 44.19ms. Allocated memory is still 450.9MB. Free memory was 176.3MB in the beginning and 173.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 08:51:18,874 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 847.04ms. Allocated memory is still 86.0MB. Free memory was 58.6MB in the beginning and 49.2MB in the end (delta: 9.4MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.36ms. Allocated memory is still 86.0MB. Free memory was 48.8MB in the beginning and 45.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.48ms. Allocated memory is still 86.0MB. Free memory was 45.8MB in the beginning and 42.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 559.86ms. Allocated memory is still 86.0MB. Free memory was 42.9MB in the beginning and 42.1MB in the end (delta: 802.6kB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * TraceAbstraction took 47143.24ms. Allocated memory was 86.0MB in the beginning and 450.9MB in the end (delta: 364.9MB). Free memory was 41.4MB in the beginning and 176.3MB in the end (delta: -134.9MB). Peak memory consumption was 229.4MB. Max. memory is 16.1GB. * Witness Printer took 44.19ms. Allocated memory is still 450.9MB. Free memory was 176.3MB in the beginning and 173.1MB 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: 8.0s, 149 PlacesBefore, 33 PlacesAfterwards, 146 TransitionsBefore, 27 TransitionsAfterwards, 3740 CoEnabledTransitionPairs, 7 FixpointIterations, 58 TrivialSequentialCompositions, 69 ConcurrentSequentialCompositions, 7 TrivialYvCompositions, 9 ConcurrentYvCompositions, 3 ChoiceCompositions, 146 TotalNumberOfCompositions, 7925 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3587, independent: 3334, independent conditional: 0, independent unconditional: 3334, dependent: 253, dependent conditional: 0, dependent unconditional: 253, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2081, independent: 2017, independent conditional: 0, independent unconditional: 2017, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3587, independent: 1317, independent conditional: 0, independent unconditional: 1317, dependent: 189, dependent conditional: 0, dependent unconditional: 189, unknown: 2081, unknown conditional: 0, unknown unconditional: 2081] , Statistics on independence cache: Total cache size (in pairs): 91, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 1712]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1712]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 188 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 47.0s, OverallIterations: 30, TraceHistogramMax: 1, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.0s, AutomataDifference: 21.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9506 SdHoareTripleChecker+Valid, 16.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7724 mSDsluCounter, 6904 SdHoareTripleChecker+Invalid, 13.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6669 mSDsCounter, 690 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27484 IncrementalHoareTripleChecker+Invalid, 28174 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 690 mSolverCounterUnsat, 235 mSDtfsCounter, 27484 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 374 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 360 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 741 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1405occurred in iteration=19, InterpolantAutomatonStates: 268, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 16.5s InterpolantComputationTime, 368 NumberOfCodeBlocks, 368 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 338 ConstructedInterpolants, 0 QuantifiedInterpolants, 6366 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 30 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-30 08:51:18,892 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