./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-2_1-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0f5620-0224-4a0d-bb7c-69dbf437bd91/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0f5620-0224-4a0d-bb7c-69dbf437bd91/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0f5620-0224-4a0d-bb7c-69dbf437bd91/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0f5620-0224-4a0d-bb7c-69dbf437bd91/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_1-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0f5620-0224-4a0d-bb7c-69dbf437bd91/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0f5620-0224-4a0d-bb7c-69dbf437bd91/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fddded73cca9ade55587111b2e2c843e75dd81397929514bda88fadfc663c7db --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:02:59,814 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:02:59,926 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0f5620-0224-4a0d-bb7c-69dbf437bd91/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-06 22:02:59,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:02:59,934 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:02:59,975 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:02:59,976 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:02:59,977 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:02:59,978 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:02:59,983 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:02:59,984 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:02:59,985 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:02:59,986 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:02:59,988 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:02:59,988 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:02:59,988 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:02:59,989 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:02:59,989 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:02:59,990 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:02:59,990 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:02:59,991 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:02:59,992 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:02:59,992 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:02:59,992 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:02:59,993 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:02:59,993 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:02:59,994 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:02:59,995 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:02:59,995 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:02:59,995 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:02:59,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:02:59,997 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:02:59,997 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:02:59,998 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:02:59,998 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:02:59,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:02:59,998 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:02:59,999 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:02:59,999 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:02:59,999 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:03:00,000 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:03:00,000 INFO L153 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0f5620-0224-4a0d-bb7c-69dbf437bd91/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0f5620-0224-4a0d-bb7c-69dbf437bd91/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fddded73cca9ade55587111b2e2c843e75dd81397929514bda88fadfc663c7db [2023-11-06 22:03:00,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:03:00,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:03:00,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:03:00,380 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:03:00,380 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:03:00,381 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0f5620-0224-4a0d-bb7c-69dbf437bd91/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2023-11-06 22:03:03,516 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:03:03,875 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:03:03,876 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0f5620-0224-4a0d-bb7c-69dbf437bd91/sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2023-11-06 22:03:03,909 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0f5620-0224-4a0d-bb7c-69dbf437bd91/bin/uautomizer-verify-WvqO1wxjHP/data/691781e71/76f5ba9b17574613b761a989653b5712/FLAG94e9a3971 [2023-11-06 22:03:03,928 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0f5620-0224-4a0d-bb7c-69dbf437bd91/bin/uautomizer-verify-WvqO1wxjHP/data/691781e71/76f5ba9b17574613b761a989653b5712 [2023-11-06 22:03:03,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:03:03,938 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:03:03,943 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:03:03,943 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:03:03,949 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:03:03,949 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:03:03" (1/1) ... [2023-11-06 22:03:03,950 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28cdb2c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:03, skipping insertion in model container [2023-11-06 22:03:03,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:03:03" (1/1) ... [2023-11-06 22:03:04,019 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:03:04,921 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:03:04,934 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:03:05,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:03:05,228 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:03:05,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:05 WrapperNode [2023-11-06 22:03:05,229 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:03:05,230 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:03:05,230 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:03:05,230 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:03:05,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:05" (1/1) ... [2023-11-06 22:03:05,281 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:05" (1/1) ... [2023-11-06 22:03:05,326 INFO L138 Inliner]: procedures = 482, calls = 47, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 152 [2023-11-06 22:03:05,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:03:05,328 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:03:05,328 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:03:05,328 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:03:05,338 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:05" (1/1) ... [2023-11-06 22:03:05,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:05" (1/1) ... [2023-11-06 22:03:05,343 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:05" (1/1) ... [2023-11-06 22:03:05,344 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:05" (1/1) ... [2023-11-06 22:03:05,364 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:05" (1/1) ... [2023-11-06 22:03:05,379 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:05" (1/1) ... [2023-11-06 22:03:05,384 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:05" (1/1) ... [2023-11-06 22:03:05,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:05" (1/1) ... [2023-11-06 22:03:05,394 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:03:05,395 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:03:05,396 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:03:05,396 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:03:05,397 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:05" (1/1) ... [2023-11-06 22:03:05,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:03:05,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0f5620-0224-4a0d-bb7c-69dbf437bd91/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:03:05,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0f5620-0224-4a0d-bb7c-69dbf437bd91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:03:05,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0f5620-0224-4a0d-bb7c-69dbf437bd91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:03:05,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:03:05,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:03:05,472 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 22:03:05,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:03:05,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:03:05,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:03:05,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:03:05,474 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-06 22:03:05,474 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-06 22:03:05,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:03:05,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:03:05,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:03:05,476 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:03:05,800 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:03:05,802 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:03:06,139 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:03:06,148 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:03:06,148 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:03:06,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:03:06 BoogieIcfgContainer [2023-11-06 22:03:06,151 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:03:06,154 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:03:06,154 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:03:06,157 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:03:06,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:03:03" (1/3) ... [2023-11-06 22:03:06,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c975705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:03:06, skipping insertion in model container [2023-11-06 22:03:06,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:03:05" (2/3) ... [2023-11-06 22:03:06,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c975705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:03:06, skipping insertion in model container [2023-11-06 22:03:06,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:03:06" (3/3) ... [2023-11-06 22:03:06,162 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2023-11-06 22:03:06,171 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:03:06,182 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:03:06,182 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-06 22:03:06,183 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:03:06,285 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-06 22:03:06,344 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 221 places, 229 transitions, 472 flow [2023-11-06 22:03:06,457 INFO L124 PetriNetUnfolderBase]: 18/283 cut-off events. [2023-11-06 22:03:06,457 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-06 22:03:06,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 292 conditions, 283 events. 18/283 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 588 event pairs, 0 based on Foata normal form. 0/259 useless extension candidates. Maximal degree in co-relation 159. Up to 4 conditions per place. [2023-11-06 22:03:06,466 INFO L82 GeneralOperation]: Start removeDead. Operand has 221 places, 229 transitions, 472 flow [2023-11-06 22:03:06,473 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 183 places, 184 transitions, 377 flow [2023-11-06 22:03:06,476 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:03:06,487 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 183 places, 184 transitions, 377 flow [2023-11-06 22:03:06,490 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 183 places, 184 transitions, 377 flow [2023-11-06 22:03:06,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 183 places, 184 transitions, 377 flow [2023-11-06 22:03:06,540 INFO L124 PetriNetUnfolderBase]: 8/184 cut-off events. [2023-11-06 22:03:06,540 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-06 22:03:06,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 184 events. 8/184 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 268 event pairs, 0 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 109. Up to 2 conditions per place. [2023-11-06 22:03:06,547 INFO L119 LiptonReduction]: Number of co-enabled transitions 6300 [2023-11-06 22:03:19,182 INFO L134 LiptonReduction]: Checked pairs total: 11799 [2023-11-06 22:03:19,183 INFO L136 LiptonReduction]: Total number of compositions: 205 [2023-11-06 22:03:19,199 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:03:19,206 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;@7f4594f1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:03:19,206 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-06 22:03:19,211 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:03:19,211 INFO L124 PetriNetUnfolderBase]: 0/9 cut-off events. [2023-11-06 22:03:19,211 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:03:19,212 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:03:19,212 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 22:03:19,213 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:03:19,218 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:19,218 INFO L85 PathProgramCache]: Analyzing trace with hash 730464460, now seen corresponding path program 1 times [2023-11-06 22:03:19,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:19,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023913008] [2023-11-06 22:03:19,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:19,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:20,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:03:20,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:20,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023913008] [2023-11-06 22:03:20,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023913008] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:20,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:20,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:03:20,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309487151] [2023-11-06 22:03:20,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:20,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:03:20,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:20,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:03:20,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:03:20,643 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 434 [2023-11-06 22:03:20,649 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 27 transitions, 63 flow. Second operand has 5 states, 5 states have (on average 193.0) internal successors, (965), 5 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:20,649 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:03:20,649 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 434 [2023-11-06 22:03:20,650 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:03:20,859 INFO L124 PetriNetUnfolderBase]: 194/361 cut-off events. [2023-11-06 22:03:20,859 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2023-11-06 22:03:20,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 752 conditions, 361 events. 194/361 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1316 event pairs, 189 based on Foata normal form. 0/289 useless extension candidates. Maximal degree in co-relation 644. Up to 357 conditions per place. [2023-11-06 22:03:20,864 INFO L140 encePairwiseOnDemand]: 425/434 looper letters, 21 selfloop transitions, 8 changer transitions 0/29 dead transitions. [2023-11-06 22:03:20,865 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 29 transitions, 125 flow [2023-11-06 22:03:20,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:03:20,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:03:20,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1184 transitions. [2023-11-06 22:03:20,892 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45468509984639016 [2023-11-06 22:03:20,893 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1184 transitions. [2023-11-06 22:03:20,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1184 transitions. [2023-11-06 22:03:20,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:03:20,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1184 transitions. [2023-11-06 22:03:20,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 197.33333333333334) internal successors, (1184), 6 states have internal predecessors, (1184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:20,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 434.0) internal successors, (3038), 7 states have internal predecessors, (3038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:20,925 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 434.0) internal successors, (3038), 7 states have internal predecessors, (3038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:20,927 INFO L175 Difference]: Start difference. First operand has 33 places, 27 transitions, 63 flow. Second operand 6 states and 1184 transitions. [2023-11-06 22:03:20,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 29 transitions, 125 flow [2023-11-06 22:03:20,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 29 transitions, 120 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-06 22:03:20,935 INFO L231 Difference]: Finished difference. Result has 34 places, 28 transitions, 97 flow [2023-11-06 22:03:20,938 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=97, PETRI_PLACES=34, PETRI_TRANSITIONS=28} [2023-11-06 22:03:20,943 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 1 predicate places. [2023-11-06 22:03:20,943 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 28 transitions, 97 flow [2023-11-06 22:03:20,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 193.0) internal successors, (965), 5 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:20,945 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:03:20,945 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:03:20,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:03:20,946 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:03:20,948 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:20,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1169172714, now seen corresponding path program 1 times [2023-11-06 22:03:20,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:20,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456831849] [2023-11-06 22:03:20,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:20,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:21,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:03:21,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:21,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456831849] [2023-11-06 22:03:21,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456831849] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:21,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:21,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:03:21,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044289939] [2023-11-06 22:03:21,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:21,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:03:21,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:21,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:03:21,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:03:21,799 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 434 [2023-11-06 22:03:21,802 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 28 transitions, 97 flow. Second operand has 6 states, 6 states have (on average 192.0) internal successors, (1152), 6 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:21,802 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:03:21,802 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 434 [2023-11-06 22:03:21,802 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:03:22,107 INFO L124 PetriNetUnfolderBase]: 215/397 cut-off events. [2023-11-06 22:03:22,107 INFO L125 PetriNetUnfolderBase]: For 70/70 co-relation queries the response was YES. [2023-11-06 22:03:22,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 936 conditions, 397 events. 215/397 cut-off events. For 70/70 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1520 event pairs, 52 based on Foata normal form. 5/347 useless extension candidates. Maximal degree in co-relation 735. Up to 351 conditions per place. [2023-11-06 22:03:22,112 INFO L140 encePairwiseOnDemand]: 424/434 looper letters, 31 selfloop transitions, 21 changer transitions 0/52 dead transitions. [2023-11-06 22:03:22,113 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 52 transitions, 269 flow [2023-11-06 22:03:22,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:03:22,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-06 22:03:22,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1579 transitions. [2023-11-06 22:03:22,120 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4547811059907834 [2023-11-06 22:03:22,120 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1579 transitions. [2023-11-06 22:03:22,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1579 transitions. [2023-11-06 22:03:22,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:03:22,122 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1579 transitions. [2023-11-06 22:03:22,127 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 197.375) internal successors, (1579), 8 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:22,136 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 434.0) internal successors, (3906), 9 states have internal predecessors, (3906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:22,140 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 434.0) internal successors, (3906), 9 states have internal predecessors, (3906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:22,140 INFO L175 Difference]: Start difference. First operand has 34 places, 28 transitions, 97 flow. Second operand 8 states and 1579 transitions. [2023-11-06 22:03:22,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 52 transitions, 269 flow [2023-11-06 22:03:22,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 52 transitions, 267 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:03:22,144 INFO L231 Difference]: Finished difference. Result has 43 places, 42 transitions, 216 flow [2023-11-06 22:03:22,145 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=216, PETRI_PLACES=43, PETRI_TRANSITIONS=42} [2023-11-06 22:03:22,146 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 10 predicate places. [2023-11-06 22:03:22,146 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 42 transitions, 216 flow [2023-11-06 22:03:22,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 192.0) internal successors, (1152), 6 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:22,148 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:03:22,148 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:03:22,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:03:22,156 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:03:22,159 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:22,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1169749314, now seen corresponding path program 2 times [2023-11-06 22:03:22,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:22,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45291998] [2023-11-06 22:03:22,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:22,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:22,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:22,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:03:22,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:22,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45291998] [2023-11-06 22:03:22,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45291998] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:22,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:22,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:03:22,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42701035] [2023-11-06 22:03:22,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:22,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:03:22,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:22,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:03:22,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:03:23,009 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 434 [2023-11-06 22:03:23,011 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 42 transitions, 216 flow. Second operand has 6 states, 6 states have (on average 192.0) internal successors, (1152), 6 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:23,012 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:03:23,012 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 434 [2023-11-06 22:03:23,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:03:23,306 INFO L124 PetriNetUnfolderBase]: 201/373 cut-off events. [2023-11-06 22:03:23,306 INFO L125 PetriNetUnfolderBase]: For 394/394 co-relation queries the response was YES. [2023-11-06 22:03:23,309 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1150 conditions, 373 events. 201/373 cut-off events. For 394/394 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1384 event pairs, 54 based on Foata normal form. 5/328 useless extension candidates. Maximal degree in co-relation 855. Up to 305 conditions per place. [2023-11-06 22:03:23,313 INFO L140 encePairwiseOnDemand]: 425/434 looper letters, 33 selfloop transitions, 24 changer transitions 0/57 dead transitions. [2023-11-06 22:03:23,313 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 57 transitions, 384 flow [2023-11-06 22:03:23,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:03:23,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-06 22:03:23,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1577 transitions. [2023-11-06 22:03:23,320 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.454205069124424 [2023-11-06 22:03:23,320 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1577 transitions. [2023-11-06 22:03:23,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1577 transitions. [2023-11-06 22:03:23,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:03:23,322 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1577 transitions. [2023-11-06 22:03:23,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 197.125) internal successors, (1577), 8 states have internal predecessors, (1577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:23,336 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 434.0) internal successors, (3906), 9 states have internal predecessors, (3906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:23,340 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 434.0) internal successors, (3906), 9 states have internal predecessors, (3906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:23,340 INFO L175 Difference]: Start difference. First operand has 43 places, 42 transitions, 216 flow. Second operand 8 states and 1577 transitions. [2023-11-06 22:03:23,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 57 transitions, 384 flow [2023-11-06 22:03:23,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 57 transitions, 362 flow, removed 10 selfloop flow, removed 1 redundant places. [2023-11-06 22:03:23,350 INFO L231 Difference]: Finished difference. Result has 50 places, 47 transitions, 284 flow [2023-11-06 22:03:23,350 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=284, PETRI_PLACES=50, PETRI_TRANSITIONS=47} [2023-11-06 22:03:23,352 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 17 predicate places. [2023-11-06 22:03:23,352 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 47 transitions, 284 flow [2023-11-06 22:03:23,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 192.0) internal successors, (1152), 6 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:23,354 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:03:23,354 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:23,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:03:23,360 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:03:23,360 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:23,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1879416695, now seen corresponding path program 1 times [2023-11-06 22:03:23,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:23,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152378475] [2023-11-06 22:03:23,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:23,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:23,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:03:23,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:23,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152378475] [2023-11-06 22:03:23,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152378475] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:23,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:23,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:03:23,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306527786] [2023-11-06 22:03:23,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:23,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:03:23,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:23,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:03:23,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:03:24,169 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 434 [2023-11-06 22:03:24,171 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 47 transitions, 284 flow. Second operand has 6 states, 6 states have (on average 192.16666666666666) internal successors, (1153), 6 states have internal predecessors, (1153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:24,171 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:03:24,171 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 434 [2023-11-06 22:03:24,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:03:24,428 INFO L124 PetriNetUnfolderBase]: 189/353 cut-off events. [2023-11-06 22:03:24,428 INFO L125 PetriNetUnfolderBase]: For 412/412 co-relation queries the response was YES. [2023-11-06 22:03:24,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1133 conditions, 353 events. 189/353 cut-off events. For 412/412 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1278 event pairs, 120 based on Foata normal form. 0/311 useless extension candidates. Maximal degree in co-relation 842. Up to 311 conditions per place. [2023-11-06 22:03:24,432 INFO L140 encePairwiseOnDemand]: 425/434 looper letters, 38 selfloop transitions, 29 changer transitions 0/67 dead transitions. [2023-11-06 22:03:24,432 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 67 transitions, 544 flow [2023-11-06 22:03:24,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:03:24,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-06 22:03:24,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1575 transitions. [2023-11-06 22:03:24,439 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4536290322580645 [2023-11-06 22:03:24,439 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1575 transitions. [2023-11-06 22:03:24,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1575 transitions. [2023-11-06 22:03:24,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:03:24,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1575 transitions. [2023-11-06 22:03:24,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 196.875) internal successors, (1575), 8 states have internal predecessors, (1575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:24,453 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 434.0) internal successors, (3906), 9 states have internal predecessors, (3906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:24,455 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 434.0) internal successors, (3906), 9 states have internal predecessors, (3906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:24,455 INFO L175 Difference]: Start difference. First operand has 50 places, 47 transitions, 284 flow. Second operand 8 states and 1575 transitions. [2023-11-06 22:03:24,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 67 transitions, 544 flow [2023-11-06 22:03:24,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 67 transitions, 524 flow, removed 3 selfloop flow, removed 2 redundant places. [2023-11-06 22:03:24,460 INFO L231 Difference]: Finished difference. Result has 57 places, 61 transitions, 435 flow [2023-11-06 22:03:24,460 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=435, PETRI_PLACES=57, PETRI_TRANSITIONS=61} [2023-11-06 22:03:24,461 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 24 predicate places. [2023-11-06 22:03:24,462 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 61 transitions, 435 flow [2023-11-06 22:03:24,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 192.16666666666666) internal successors, (1153), 6 states have internal predecessors, (1153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:24,463 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:03:24,463 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:24,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:03:24,463 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:03:24,464 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:24,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1793596367, now seen corresponding path program 1 times [2023-11-06 22:03:24,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:24,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524940476] [2023-11-06 22:03:24,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:24,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:24,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:03:24,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:24,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524940476] [2023-11-06 22:03:24,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524940476] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:24,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:24,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:03:24,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540416246] [2023-11-06 22:03:24,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:24,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:03:24,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:24,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:03:24,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:03:24,994 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 434 [2023-11-06 22:03:24,996 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 61 transitions, 435 flow. Second operand has 7 states, 7 states have (on average 199.14285714285714) internal successors, (1394), 7 states have internal predecessors, (1394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:24,996 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:03:24,997 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 434 [2023-11-06 22:03:24,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:03:25,302 INFO L124 PetriNetUnfolderBase]: 168/334 cut-off events. [2023-11-06 22:03:25,303 INFO L125 PetriNetUnfolderBase]: For 416/416 co-relation queries the response was YES. [2023-11-06 22:03:25,304 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1103 conditions, 334 events. 168/334 cut-off events. For 416/416 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1388 event pairs, 41 based on Foata normal form. 14/320 useless extension candidates. Maximal degree in co-relation 787. Up to 182 conditions per place. [2023-11-06 22:03:25,307 INFO L140 encePairwiseOnDemand]: 426/434 looper letters, 55 selfloop transitions, 20 changer transitions 4/96 dead transitions. [2023-11-06 22:03:25,307 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 96 transitions, 717 flow [2023-11-06 22:03:25,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:03:25,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-06 22:03:25,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1441 transitions. [2023-11-06 22:03:25,314 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47432521395655036 [2023-11-06 22:03:25,314 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1441 transitions. [2023-11-06 22:03:25,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1441 transitions. [2023-11-06 22:03:25,315 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:03:25,316 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1441 transitions. [2023-11-06 22:03:25,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 205.85714285714286) internal successors, (1441), 7 states have internal predecessors, (1441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:25,327 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 434.0) internal successors, (3472), 8 states have internal predecessors, (3472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:25,329 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 434.0) internal successors, (3472), 8 states have internal predecessors, (3472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:25,329 INFO L175 Difference]: Start difference. First operand has 57 places, 61 transitions, 435 flow. Second operand 7 states and 1441 transitions. [2023-11-06 22:03:25,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 96 transitions, 717 flow [2023-11-06 22:03:25,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 96 transitions, 713 flow, removed 2 selfloop flow, removed 0 redundant places. [2023-11-06 22:03:25,336 INFO L231 Difference]: Finished difference. Result has 67 places, 65 transitions, 514 flow [2023-11-06 22:03:25,337 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=514, PETRI_PLACES=67, PETRI_TRANSITIONS=65} [2023-11-06 22:03:25,339 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 34 predicate places. [2023-11-06 22:03:25,340 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 65 transitions, 514 flow [2023-11-06 22:03:25,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 199.14285714285714) internal successors, (1394), 7 states have internal predecessors, (1394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:25,341 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:03:25,341 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:25,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:03:25,342 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:03:25,342 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:25,342 INFO L85 PathProgramCache]: Analyzing trace with hash -2056028619, now seen corresponding path program 1 times [2023-11-06 22:03:25,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:25,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290353364] [2023-11-06 22:03:25,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:25,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:25,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:03:25,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:25,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290353364] [2023-11-06 22:03:25,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290353364] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:25,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:25,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:03:25,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193801782] [2023-11-06 22:03:25,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:25,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:03:25,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:25,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:03:25,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:03:25,895 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 434 [2023-11-06 22:03:25,898 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 65 transitions, 514 flow. Second operand has 6 states, 6 states have (on average 199.16666666666666) internal successors, (1195), 6 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:25,898 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:03:25,898 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 434 [2023-11-06 22:03:25,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:03:26,199 INFO L124 PetriNetUnfolderBase]: 184/385 cut-off events. [2023-11-06 22:03:26,199 INFO L125 PetriNetUnfolderBase]: For 766/769 co-relation queries the response was YES. [2023-11-06 22:03:26,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1491 conditions, 385 events. 184/385 cut-off events. For 766/769 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1666 event pairs, 36 based on Foata normal form. 9/358 useless extension candidates. Maximal degree in co-relation 1103. Up to 128 conditions per place. [2023-11-06 22:03:26,204 INFO L140 encePairwiseOnDemand]: 426/434 looper letters, 59 selfloop transitions, 26 changer transitions 8/110 dead transitions. [2023-11-06 22:03:26,205 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 110 transitions, 914 flow [2023-11-06 22:03:26,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:03:26,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-06 22:03:26,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1646 transitions. [2023-11-06 22:03:26,212 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4740783410138249 [2023-11-06 22:03:26,212 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1646 transitions. [2023-11-06 22:03:26,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1646 transitions. [2023-11-06 22:03:26,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:03:26,214 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1646 transitions. [2023-11-06 22:03:26,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 205.75) internal successors, (1646), 8 states have internal predecessors, (1646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:26,225 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 434.0) internal successors, (3906), 9 states have internal predecessors, (3906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:26,227 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 434.0) internal successors, (3906), 9 states have internal predecessors, (3906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:26,227 INFO L175 Difference]: Start difference. First operand has 67 places, 65 transitions, 514 flow. Second operand 8 states and 1646 transitions. [2023-11-06 22:03:26,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 110 transitions, 914 flow [2023-11-06 22:03:26,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 110 transitions, 906 flow, removed 3 selfloop flow, removed 1 redundant places. [2023-11-06 22:03:26,236 INFO L231 Difference]: Finished difference. Result has 75 places, 71 transitions, 627 flow [2023-11-06 22:03:26,236 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=508, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=627, PETRI_PLACES=75, PETRI_TRANSITIONS=71} [2023-11-06 22:03:26,237 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 42 predicate places. [2023-11-06 22:03:26,237 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 71 transitions, 627 flow [2023-11-06 22:03:26,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 199.16666666666666) internal successors, (1195), 6 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:26,238 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:03:26,238 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:26,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:03:26,239 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:03:26,239 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:26,239 INFO L85 PathProgramCache]: Analyzing trace with hash -2046197589, now seen corresponding path program 2 times [2023-11-06 22:03:26,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:26,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054680899] [2023-11-06 22:03:26,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:26,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:26,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:03:26,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:26,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054680899] [2023-11-06 22:03:26,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054680899] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:26,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:26,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:03:26,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788101166] [2023-11-06 22:03:26,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:26,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:03:26,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:26,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:03:26,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:03:27,583 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 434 [2023-11-06 22:03:27,585 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 71 transitions, 627 flow. Second operand has 9 states, 9 states have (on average 190.0) internal successors, (1710), 9 states have internal predecessors, (1710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:27,586 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:03:27,586 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 434 [2023-11-06 22:03:27,586 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:03:28,275 INFO L124 PetriNetUnfolderBase]: 170/356 cut-off events. [2023-11-06 22:03:28,276 INFO L125 PetriNetUnfolderBase]: For 1168/1168 co-relation queries the response was YES. [2023-11-06 22:03:28,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1610 conditions, 356 events. 170/356 cut-off events. For 1168/1168 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1437 event pairs, 42 based on Foata normal form. 8/343 useless extension candidates. Maximal degree in co-relation 1165. Up to 266 conditions per place. [2023-11-06 22:03:28,281 INFO L140 encePairwiseOnDemand]: 421/434 looper letters, 49 selfloop transitions, 43 changer transitions 2/94 dead transitions. [2023-11-06 22:03:28,281 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 94 transitions, 1000 flow [2023-11-06 22:03:28,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-06 22:03:28,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-11-06 22:03:28,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 3095 transitions. [2023-11-06 22:03:28,293 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4457085253456221 [2023-11-06 22:03:28,294 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 3095 transitions. [2023-11-06 22:03:28,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 3095 transitions. [2023-11-06 22:03:28,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:03:28,297 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 3095 transitions. [2023-11-06 22:03:28,308 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 193.4375) internal successors, (3095), 16 states have internal predecessors, (3095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:28,322 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 434.0) internal successors, (7378), 17 states have internal predecessors, (7378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:28,326 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 434.0) internal successors, (7378), 17 states have internal predecessors, (7378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:28,326 INFO L175 Difference]: Start difference. First operand has 75 places, 71 transitions, 627 flow. Second operand 16 states and 3095 transitions. [2023-11-06 22:03:28,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 94 transitions, 1000 flow [2023-11-06 22:03:28,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 94 transitions, 958 flow, removed 6 selfloop flow, removed 4 redundant places. [2023-11-06 22:03:28,338 INFO L231 Difference]: Finished difference. Result has 90 places, 82 transitions, 826 flow [2023-11-06 22:03:28,339 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=826, PETRI_PLACES=90, PETRI_TRANSITIONS=82} [2023-11-06 22:03:28,340 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 57 predicate places. [2023-11-06 22:03:28,340 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 82 transitions, 826 flow [2023-11-06 22:03:28,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 190.0) internal successors, (1710), 9 states have internal predecessors, (1710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:28,342 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:03:28,342 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:28,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:03:28,342 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:03:28,343 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:28,343 INFO L85 PathProgramCache]: Analyzing trace with hash -2046197665, now seen corresponding path program 2 times [2023-11-06 22:03:28,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:28,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776318125] [2023-11-06 22:03:28,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:28,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:29,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:03:29,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:29,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776318125] [2023-11-06 22:03:29,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776318125] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:29,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:29,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:03:29,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129474945] [2023-11-06 22:03:29,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:29,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:03:29,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:29,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:03:29,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:03:29,724 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 434 [2023-11-06 22:03:29,727 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 82 transitions, 826 flow. Second operand has 9 states, 9 states have (on average 190.0) internal successors, (1710), 9 states have internal predecessors, (1710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:29,727 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:03:29,727 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 434 [2023-11-06 22:03:29,727 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:03:30,366 INFO L124 PetriNetUnfolderBase]: 135/293 cut-off events. [2023-11-06 22:03:30,366 INFO L125 PetriNetUnfolderBase]: For 917/917 co-relation queries the response was YES. [2023-11-06 22:03:30,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1441 conditions, 293 events. 135/293 cut-off events. For 917/917 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1143 event pairs, 30 based on Foata normal form. 4/280 useless extension candidates. Maximal degree in co-relation 1231. Up to 225 conditions per place. [2023-11-06 22:03:30,370 INFO L140 encePairwiseOnDemand]: 422/434 looper letters, 51 selfloop transitions, 39 changer transitions 1/91 dead transitions. [2023-11-06 22:03:30,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 91 transitions, 1062 flow [2023-11-06 22:03:30,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:03:30,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-06 22:03:30,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2708 transitions. [2023-11-06 22:03:30,381 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.445687952600395 [2023-11-06 22:03:30,382 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2708 transitions. [2023-11-06 22:03:30,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2708 transitions. [2023-11-06 22:03:30,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:03:30,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2708 transitions. [2023-11-06 22:03:30,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 193.42857142857142) internal successors, (2708), 14 states have internal predecessors, (2708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:30,404 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 434.0) internal successors, (6510), 15 states have internal predecessors, (6510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:30,406 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 434.0) internal successors, (6510), 15 states have internal predecessors, (6510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:30,406 INFO L175 Difference]: Start difference. First operand has 90 places, 82 transitions, 826 flow. Second operand 14 states and 2708 transitions. [2023-11-06 22:03:30,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 91 transitions, 1062 flow [2023-11-06 22:03:30,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 91 transitions, 981 flow, removed 10 selfloop flow, removed 7 redundant places. [2023-11-06 22:03:30,416 INFO L231 Difference]: Finished difference. Result has 97 places, 82 transitions, 833 flow [2023-11-06 22:03:30,417 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=745, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=833, PETRI_PLACES=97, PETRI_TRANSITIONS=82} [2023-11-06 22:03:30,418 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 64 predicate places. [2023-11-06 22:03:30,418 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 82 transitions, 833 flow [2023-11-06 22:03:30,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 190.0) internal successors, (1710), 9 states have internal predecessors, (1710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:30,419 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:03:30,419 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:30,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:03:30,419 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:03:30,420 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:30,420 INFO L85 PathProgramCache]: Analyzing trace with hash 681084171, now seen corresponding path program 1 times [2023-11-06 22:03:30,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:30,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629555266] [2023-11-06 22:03:30,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:30,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:30,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:03:30,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:30,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629555266] [2023-11-06 22:03:30,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629555266] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:30,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:30,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:03:30,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481233004] [2023-11-06 22:03:30,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:30,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:03:30,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:30,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:03:30,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:03:31,245 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 434 [2023-11-06 22:03:31,247 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 82 transitions, 833 flow. Second operand has 8 states, 8 states have (on average 190.125) internal successors, (1521), 8 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:31,247 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:03:31,247 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 434 [2023-11-06 22:03:31,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:03:31,947 INFO L124 PetriNetUnfolderBase]: 153/375 cut-off events. [2023-11-06 22:03:31,947 INFO L125 PetriNetUnfolderBase]: For 1105/1106 co-relation queries the response was YES. [2023-11-06 22:03:31,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1777 conditions, 375 events. 153/375 cut-off events. For 1105/1106 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1884 event pairs, 22 based on Foata normal form. 1/353 useless extension candidates. Maximal degree in co-relation 1690. Up to 99 conditions per place. [2023-11-06 22:03:31,952 INFO L140 encePairwiseOnDemand]: 422/434 looper letters, 81 selfloop transitions, 53 changer transitions 11/164 dead transitions. [2023-11-06 22:03:31,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 164 transitions, 1623 flow [2023-11-06 22:03:31,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 22:03:31,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-11-06 22:03:31,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 3321 transitions. [2023-11-06 22:03:31,966 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.450121984277582 [2023-11-06 22:03:31,966 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 3321 transitions. [2023-11-06 22:03:31,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 3321 transitions. [2023-11-06 22:03:31,969 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:03:31,970 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 3321 transitions. [2023-11-06 22:03:31,978 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 195.35294117647058) internal successors, (3321), 17 states have internal predecessors, (3321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:31,992 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 434.0) internal successors, (7812), 18 states have internal predecessors, (7812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:31,995 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 434.0) internal successors, (7812), 18 states have internal predecessors, (7812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:31,995 INFO L175 Difference]: Start difference. First operand has 97 places, 82 transitions, 833 flow. Second operand 17 states and 3321 transitions. [2023-11-06 22:03:31,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 164 transitions, 1623 flow [2023-11-06 22:03:32,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 164 transitions, 1509 flow, removed 10 selfloop flow, removed 12 redundant places. [2023-11-06 22:03:32,009 INFO L231 Difference]: Finished difference. Result has 114 places, 110 transitions, 1197 flow [2023-11-06 22:03:32,009 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=740, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1197, PETRI_PLACES=114, PETRI_TRANSITIONS=110} [2023-11-06 22:03:32,010 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 81 predicate places. [2023-11-06 22:03:32,010 INFO L495 AbstractCegarLoop]: Abstraction has has 114 places, 110 transitions, 1197 flow [2023-11-06 22:03:32,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 190.125) internal successors, (1521), 8 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:32,011 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:03:32,011 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:32,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:03:32,012 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:03:32,012 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:32,012 INFO L85 PathProgramCache]: Analyzing trace with hash 681084213, now seen corresponding path program 1 times [2023-11-06 22:03:32,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:32,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880564096] [2023-11-06 22:03:32,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:32,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:32,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:03:32,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:32,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880564096] [2023-11-06 22:03:32,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880564096] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:32,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:32,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:03:32,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457525333] [2023-11-06 22:03:32,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:32,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:03:32,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:32,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:03:32,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:03:32,487 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 434 [2023-11-06 22:03:32,489 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 110 transitions, 1197 flow. Second operand has 6 states, 6 states have (on average 199.5) internal successors, (1197), 6 states have internal predecessors, (1197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:32,489 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:03:32,489 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 434 [2023-11-06 22:03:32,489 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:03:32,706 INFO L124 PetriNetUnfolderBase]: 63/181 cut-off events. [2023-11-06 22:03:32,706 INFO L125 PetriNetUnfolderBase]: For 1328/1328 co-relation queries the response was YES. [2023-11-06 22:03:32,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1055 conditions, 181 events. 63/181 cut-off events. For 1328/1328 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 759 event pairs, 22 based on Foata normal form. 8/186 useless extension candidates. Maximal degree in co-relation 1017. Up to 97 conditions per place. [2023-11-06 22:03:32,709 INFO L140 encePairwiseOnDemand]: 427/434 looper letters, 50 selfloop transitions, 26 changer transitions 0/89 dead transitions. [2023-11-06 22:03:32,710 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 89 transitions, 1044 flow [2023-11-06 22:03:32,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:03:32,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-06 22:03:32,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1629 transitions. [2023-11-06 22:03:32,716 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4691820276497696 [2023-11-06 22:03:32,717 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1629 transitions. [2023-11-06 22:03:32,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1629 transitions. [2023-11-06 22:03:32,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:03:32,718 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1629 transitions. [2023-11-06 22:03:32,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 203.625) internal successors, (1629), 8 states have internal predecessors, (1629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:32,729 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 434.0) internal successors, (3906), 9 states have internal predecessors, (3906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:32,731 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 434.0) internal successors, (3906), 9 states have internal predecessors, (3906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:32,731 INFO L175 Difference]: Start difference. First operand has 114 places, 110 transitions, 1197 flow. Second operand 8 states and 1629 transitions. [2023-11-06 22:03:32,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 89 transitions, 1044 flow [2023-11-06 22:03:32,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 89 transitions, 888 flow, removed 44 selfloop flow, removed 12 redundant places. [2023-11-06 22:03:32,741 INFO L231 Difference]: Finished difference. Result has 102 places, 75 transitions, 737 flow [2023-11-06 22:03:32,741 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=664, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=737, PETRI_PLACES=102, PETRI_TRANSITIONS=75} [2023-11-06 22:03:32,744 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 69 predicate places. [2023-11-06 22:03:32,744 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 75 transitions, 737 flow [2023-11-06 22:03:32,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 199.5) internal successors, (1197), 6 states have internal predecessors, (1197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:32,745 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:03:32,745 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:32,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 22:03:32,745 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:03:32,746 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:32,746 INFO L85 PathProgramCache]: Analyzing trace with hash -950260574, now seen corresponding path program 1 times [2023-11-06 22:03:32,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:32,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815266266] [2023-11-06 22:03:32,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:32,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:33,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:03:33,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:33,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815266266] [2023-11-06 22:03:33,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815266266] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:33,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:33,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:03:33,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847261737] [2023-11-06 22:03:33,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:33,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:03:33,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:33,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:03:33,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:03:34,620 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 434 [2023-11-06 22:03:34,622 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 75 transitions, 737 flow. Second operand has 11 states, 11 states have (on average 186.0909090909091) internal successors, (2047), 11 states have internal predecessors, (2047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:34,622 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:03:34,623 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 434 [2023-11-06 22:03:34,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:03:35,186 INFO L124 PetriNetUnfolderBase]: 87/232 cut-off events. [2023-11-06 22:03:35,187 INFO L125 PetriNetUnfolderBase]: For 1109/1109 co-relation queries the response was YES. [2023-11-06 22:03:35,188 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1197 conditions, 232 events. 87/232 cut-off events. For 1109/1109 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 946 event pairs, 20 based on Foata normal form. 3/233 useless extension candidates. Maximal degree in co-relation 1165. Up to 148 conditions per place. [2023-11-06 22:03:35,190 INFO L140 encePairwiseOnDemand]: 422/434 looper letters, 65 selfloop transitions, 43 changer transitions 3/111 dead transitions. [2023-11-06 22:03:35,191 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 111 transitions, 1223 flow [2023-11-06 22:03:35,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 22:03:35,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-11-06 22:03:35,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 3215 transitions. [2023-11-06 22:03:35,202 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4357549471401464 [2023-11-06 22:03:35,202 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 3215 transitions. [2023-11-06 22:03:35,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 3215 transitions. [2023-11-06 22:03:35,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:03:35,204 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 3215 transitions. [2023-11-06 22:03:35,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 189.11764705882354) internal successors, (3215), 17 states have internal predecessors, (3215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:35,225 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 434.0) internal successors, (7812), 18 states have internal predecessors, (7812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:35,228 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 434.0) internal successors, (7812), 18 states have internal predecessors, (7812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:35,228 INFO L175 Difference]: Start difference. First operand has 102 places, 75 transitions, 737 flow. Second operand 17 states and 3215 transitions. [2023-11-06 22:03:35,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 111 transitions, 1223 flow [2023-11-06 22:03:35,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 111 transitions, 1167 flow, removed 1 selfloop flow, removed 7 redundant places. [2023-11-06 22:03:35,240 INFO L231 Difference]: Finished difference. Result has 120 places, 98 transitions, 1046 flow [2023-11-06 22:03:35,240 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=693, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1046, PETRI_PLACES=120, PETRI_TRANSITIONS=98} [2023-11-06 22:03:35,241 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 87 predicate places. [2023-11-06 22:03:35,241 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 98 transitions, 1046 flow [2023-11-06 22:03:35,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 186.0909090909091) internal successors, (2047), 11 states have internal predecessors, (2047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:35,242 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:03:35,242 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:35,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 22:03:35,243 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:03:35,243 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:35,243 INFO L85 PathProgramCache]: Analyzing trace with hash -950260616, now seen corresponding path program 1 times [2023-11-06 22:03:35,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:35,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738858222] [2023-11-06 22:03:35,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:35,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:36,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:03:36,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:36,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738858222] [2023-11-06 22:03:36,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738858222] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:36,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:36,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:03:36,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682685464] [2023-11-06 22:03:36,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:36,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:03:36,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:36,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:03:36,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:03:36,923 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 434 [2023-11-06 22:03:36,924 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 98 transitions, 1046 flow. Second operand has 11 states, 11 states have (on average 184.0909090909091) internal successors, (2025), 11 states have internal predecessors, (2025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:36,924 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:03:36,924 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 434 [2023-11-06 22:03:36,925 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:03:37,424 INFO L124 PetriNetUnfolderBase]: 84/226 cut-off events. [2023-11-06 22:03:37,424 INFO L125 PetriNetUnfolderBase]: For 1342/1342 co-relation queries the response was YES. [2023-11-06 22:03:37,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1255 conditions, 226 events. 84/226 cut-off events. For 1342/1342 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 928 event pairs, 28 based on Foata normal form. 3/227 useless extension candidates. Maximal degree in co-relation 1217. Up to 162 conditions per place. [2023-11-06 22:03:37,428 INFO L140 encePairwiseOnDemand]: 422/434 looper letters, 68 selfloop transitions, 37 changer transitions 1/106 dead transitions. [2023-11-06 22:03:37,428 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 106 transitions, 1316 flow [2023-11-06 22:03:37,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:03:37,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-06 22:03:37,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2252 transitions. [2023-11-06 22:03:37,434 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4324116743471582 [2023-11-06 22:03:37,434 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2252 transitions. [2023-11-06 22:03:37,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2252 transitions. [2023-11-06 22:03:37,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:03:37,437 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2252 transitions. [2023-11-06 22:03:37,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 187.66666666666666) internal successors, (2252), 12 states have internal predecessors, (2252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:37,456 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 434.0) internal successors, (5642), 13 states have internal predecessors, (5642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:37,458 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 434.0) internal successors, (5642), 13 states have internal predecessors, (5642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:37,458 INFO L175 Difference]: Start difference. First operand has 120 places, 98 transitions, 1046 flow. Second operand 12 states and 2252 transitions. [2023-11-06 22:03:37,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 106 transitions, 1316 flow [2023-11-06 22:03:37,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 106 transitions, 1265 flow, removed 21 selfloop flow, removed 2 redundant places. [2023-11-06 22:03:37,473 INFO L231 Difference]: Finished difference. Result has 130 places, 98 transitions, 1074 flow [2023-11-06 22:03:37,474 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=995, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1074, PETRI_PLACES=130, PETRI_TRANSITIONS=98} [2023-11-06 22:03:37,476 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 97 predicate places. [2023-11-06 22:03:37,476 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 98 transitions, 1074 flow [2023-11-06 22:03:37,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 184.0909090909091) internal successors, (2025), 11 states have internal predecessors, (2025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:37,477 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:03:37,477 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:37,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-06 22:03:37,478 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:03:37,478 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:37,478 INFO L85 PathProgramCache]: Analyzing trace with hash 459038306, now seen corresponding path program 2 times [2023-11-06 22:03:37,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:37,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041852804] [2023-11-06 22:03:37,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:37,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:38,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:03:38,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:38,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041852804] [2023-11-06 22:03:38,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041852804] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:38,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:38,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:03:38,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599780279] [2023-11-06 22:03:38,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:38,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:03:38,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:38,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:03:38,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:03:39,301 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 434 [2023-11-06 22:03:39,303 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 98 transitions, 1074 flow. Second operand has 11 states, 11 states have (on average 184.0909090909091) internal successors, (2025), 11 states have internal predecessors, (2025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:39,304 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:03:39,304 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 434 [2023-11-06 22:03:39,304 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:03:39,842 INFO L124 PetriNetUnfolderBase]: 97/256 cut-off events. [2023-11-06 22:03:39,842 INFO L125 PetriNetUnfolderBase]: For 1535/1535 co-relation queries the response was YES. [2023-11-06 22:03:39,844 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1425 conditions, 256 events. 97/256 cut-off events. For 1535/1535 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1124 event pairs, 31 based on Foata normal form. 3/257 useless extension candidates. Maximal degree in co-relation 1385. Up to 188 conditions per place. [2023-11-06 22:03:39,846 INFO L140 encePairwiseOnDemand]: 422/434 looper letters, 76 selfloop transitions, 46 changer transitions 1/123 dead transitions. [2023-11-06 22:03:39,846 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 123 transitions, 1574 flow [2023-11-06 22:03:39,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:03:39,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-06 22:03:39,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2623 transitions. [2023-11-06 22:03:39,851 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4316984858459513 [2023-11-06 22:03:39,852 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2623 transitions. [2023-11-06 22:03:39,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2623 transitions. [2023-11-06 22:03:39,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:03:39,853 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2623 transitions. [2023-11-06 22:03:39,858 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 187.35714285714286) internal successors, (2623), 14 states have internal predecessors, (2623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:39,866 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 434.0) internal successors, (6510), 15 states have internal predecessors, (6510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:39,868 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 434.0) internal successors, (6510), 15 states have internal predecessors, (6510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:39,868 INFO L175 Difference]: Start difference. First operand has 130 places, 98 transitions, 1074 flow. Second operand 14 states and 2623 transitions. [2023-11-06 22:03:39,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 123 transitions, 1574 flow [2023-11-06 22:03:39,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 123 transitions, 1494 flow, removed 0 selfloop flow, removed 11 redundant places. [2023-11-06 22:03:39,882 INFO L231 Difference]: Finished difference. Result has 137 places, 112 transitions, 1325 flow [2023-11-06 22:03:39,882 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=1000, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1325, PETRI_PLACES=137, PETRI_TRANSITIONS=112} [2023-11-06 22:03:39,884 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 104 predicate places. [2023-11-06 22:03:39,884 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 112 transitions, 1325 flow [2023-11-06 22:03:39,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 184.0909090909091) internal successors, (2025), 11 states have internal predecessors, (2025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:39,885 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:03:39,885 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:39,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-06 22:03:39,886 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:03:39,886 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:39,886 INFO L85 PathProgramCache]: Analyzing trace with hash -456507370, now seen corresponding path program 3 times [2023-11-06 22:03:39,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:39,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130678481] [2023-11-06 22:03:39,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:39,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:40,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:03:40,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:40,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130678481] [2023-11-06 22:03:40,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130678481] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:40,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:40,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:03:40,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643829912] [2023-11-06 22:03:40,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:40,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:03:40,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:40,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:03:40,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:03:41,653 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 434 [2023-11-06 22:03:41,655 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 112 transitions, 1325 flow. Second operand has 11 states, 11 states have (on average 184.0909090909091) internal successors, (2025), 11 states have internal predecessors, (2025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:41,655 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:03:41,655 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 434 [2023-11-06 22:03:41,655 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:03:42,199 INFO L124 PetriNetUnfolderBase]: 94/250 cut-off events. [2023-11-06 22:03:42,200 INFO L125 PetriNetUnfolderBase]: For 1719/1719 co-relation queries the response was YES. [2023-11-06 22:03:42,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1481 conditions, 250 events. 94/250 cut-off events. For 1719/1719 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1102 event pairs, 24 based on Foata normal form. 3/251 useless extension candidates. Maximal degree in co-relation 1436. Up to 200 conditions per place. [2023-11-06 22:03:42,205 INFO L140 encePairwiseOnDemand]: 421/434 looper letters, 86 selfloop transitions, 34 changer transitions 2/122 dead transitions. [2023-11-06 22:03:42,206 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 122 transitions, 1640 flow [2023-11-06 22:03:42,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:03:42,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-06 22:03:42,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2435 transitions. [2023-11-06 22:03:42,231 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4315845444877703 [2023-11-06 22:03:42,232 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2435 transitions. [2023-11-06 22:03:42,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2435 transitions. [2023-11-06 22:03:42,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:03:42,233 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2435 transitions. [2023-11-06 22:03:42,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 187.30769230769232) internal successors, (2435), 13 states have internal predecessors, (2435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:42,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 434.0) internal successors, (6076), 14 states have internal predecessors, (6076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:42,247 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 434.0) internal successors, (6076), 14 states have internal predecessors, (6076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:42,248 INFO L175 Difference]: Start difference. First operand has 137 places, 112 transitions, 1325 flow. Second operand 13 states and 2435 transitions. [2023-11-06 22:03:42,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 122 transitions, 1640 flow [2023-11-06 22:03:42,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 122 transitions, 1528 flow, removed 42 selfloop flow, removed 5 redundant places. [2023-11-06 22:03:42,269 INFO L231 Difference]: Finished difference. Result has 147 places, 116 transitions, 1346 flow [2023-11-06 22:03:42,269 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=1215, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1346, PETRI_PLACES=147, PETRI_TRANSITIONS=116} [2023-11-06 22:03:42,270 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 114 predicate places. [2023-11-06 22:03:42,270 INFO L495 AbstractCegarLoop]: Abstraction has has 147 places, 116 transitions, 1346 flow [2023-11-06 22:03:42,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 184.0909090909091) internal successors, (2025), 11 states have internal predecessors, (2025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:42,271 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:03:42,272 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:42,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-06 22:03:42,272 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:03:42,272 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:42,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1358501399, now seen corresponding path program 1 times [2023-11-06 22:03:42,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:42,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883189069] [2023-11-06 22:03:42,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:42,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:43,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:03:43,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:43,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883189069] [2023-11-06 22:03:43,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883189069] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:43,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:43,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:03:43,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605142950] [2023-11-06 22:03:43,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:43,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:03:43,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:43,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:03:43,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:03:44,185 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 434 [2023-11-06 22:03:44,195 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 116 transitions, 1346 flow. Second operand has 12 states, 12 states have (on average 186.0) internal successors, (2232), 12 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:44,196 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:03:44,196 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 434 [2023-11-06 22:03:44,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:03:44,865 INFO L124 PetriNetUnfolderBase]: 97/257 cut-off events. [2023-11-06 22:03:44,865 INFO L125 PetriNetUnfolderBase]: For 1603/1603 co-relation queries the response was YES. [2023-11-06 22:03:44,867 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1537 conditions, 257 events. 97/257 cut-off events. For 1603/1603 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1110 event pairs, 31 based on Foata normal form. 0/257 useless extension candidates. Maximal degree in co-relation 1491. Up to 189 conditions per place. [2023-11-06 22:03:44,869 INFO L140 encePairwiseOnDemand]: 421/434 looper letters, 91 selfloop transitions, 50 changer transitions 1/142 dead transitions. [2023-11-06 22:03:44,870 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 142 transitions, 1957 flow [2023-11-06 22:03:44,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-06 22:03:44,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-11-06 22:03:44,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 3388 transitions. [2023-11-06 22:03:44,875 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4336917562724014 [2023-11-06 22:03:44,876 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 3388 transitions. [2023-11-06 22:03:44,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 3388 transitions. [2023-11-06 22:03:44,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:03:44,877 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 3388 transitions. [2023-11-06 22:03:44,883 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 188.22222222222223) internal successors, (3388), 18 states have internal predecessors, (3388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:44,892 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 434.0) internal successors, (8246), 19 states have internal predecessors, (8246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:44,895 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 434.0) internal successors, (8246), 19 states have internal predecessors, (8246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:44,896 INFO L175 Difference]: Start difference. First operand has 147 places, 116 transitions, 1346 flow. Second operand 18 states and 3388 transitions. [2023-11-06 22:03:44,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 142 transitions, 1957 flow [2023-11-06 22:03:44,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 142 transitions, 1828 flow, removed 17 selfloop flow, removed 9 redundant places. [2023-11-06 22:03:44,914 INFO L231 Difference]: Finished difference. Result has 155 places, 122 transitions, 1413 flow [2023-11-06 22:03:44,914 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=1231, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=1413, PETRI_PLACES=155, PETRI_TRANSITIONS=122} [2023-11-06 22:03:44,915 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 122 predicate places. [2023-11-06 22:03:44,915 INFO L495 AbstractCegarLoop]: Abstraction has has 155 places, 122 transitions, 1413 flow [2023-11-06 22:03:44,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 186.0) internal successors, (2232), 12 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:44,917 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:03:44,917 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:44,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-06 22:03:44,917 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:03:44,918 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:44,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1358501281, now seen corresponding path program 1 times [2023-11-06 22:03:44,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:44,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597062152] [2023-11-06 22:03:44,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:44,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:45,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:03:45,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:45,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597062152] [2023-11-06 22:03:45,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597062152] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:45,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:45,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:03:45,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170521686] [2023-11-06 22:03:45,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:45,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:03:45,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:45,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:03:45,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:03:46,755 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 434 [2023-11-06 22:03:46,757 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 122 transitions, 1413 flow. Second operand has 12 states, 12 states have (on average 186.0) internal successors, (2232), 12 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:46,757 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:03:46,758 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 434 [2023-11-06 22:03:46,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:03:47,531 INFO L124 PetriNetUnfolderBase]: 82/224 cut-off events. [2023-11-06 22:03:47,531 INFO L125 PetriNetUnfolderBase]: For 1305/1305 co-relation queries the response was YES. [2023-11-06 22:03:47,534 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1422 conditions, 224 events. 82/224 cut-off events. For 1305/1305 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 920 event pairs, 20 based on Foata normal form. 2/226 useless extension candidates. Maximal degree in co-relation 1376. Up to 159 conditions per place. [2023-11-06 22:03:47,537 INFO L140 encePairwiseOnDemand]: 421/434 looper letters, 83 selfloop transitions, 37 changer transitions 20/140 dead transitions. [2023-11-06 22:03:47,537 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 140 transitions, 1936 flow [2023-11-06 22:03:47,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-06 22:03:47,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-11-06 22:03:47,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 3386 transitions. [2023-11-06 22:03:47,545 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4334357398873528 [2023-11-06 22:03:47,545 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 3386 transitions. [2023-11-06 22:03:47,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 3386 transitions. [2023-11-06 22:03:47,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:03:47,547 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 3386 transitions. [2023-11-06 22:03:47,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 188.11111111111111) internal successors, (3386), 18 states have internal predecessors, (3386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:47,564 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 434.0) internal successors, (8246), 19 states have internal predecessors, (8246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:47,566 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 434.0) internal successors, (8246), 19 states have internal predecessors, (8246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:47,566 INFO L175 Difference]: Start difference. First operand has 155 places, 122 transitions, 1413 flow. Second operand 18 states and 3386 transitions. [2023-11-06 22:03:47,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 140 transitions, 1936 flow [2023-11-06 22:03:47,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 140 transitions, 1757 flow, removed 10 selfloop flow, removed 19 redundant places. [2023-11-06 22:03:47,585 INFO L231 Difference]: Finished difference. Result has 152 places, 104 transitions, 1158 flow [2023-11-06 22:03:47,586 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=1230, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=1158, PETRI_PLACES=152, PETRI_TRANSITIONS=104} [2023-11-06 22:03:47,587 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 119 predicate places. [2023-11-06 22:03:47,587 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 104 transitions, 1158 flow [2023-11-06 22:03:47,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 186.0) internal successors, (2232), 12 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:47,588 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:03:47,588 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:47,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-06 22:03:47,588 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:03:47,588 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:47,589 INFO L85 PathProgramCache]: Analyzing trace with hash 236063720, now seen corresponding path program 2 times [2023-11-06 22:03:47,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:47,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578706181] [2023-11-06 22:03:47,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:47,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:48,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:03:48,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:48,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578706181] [2023-11-06 22:03:48,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578706181] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:48,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:48,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:03:48,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112604498] [2023-11-06 22:03:48,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:48,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:03:48,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:48,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:03:48,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:03:49,099 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 434 [2023-11-06 22:03:49,101 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 104 transitions, 1158 flow. Second operand has 11 states, 11 states have (on average 186.0909090909091) internal successors, (2047), 11 states have internal predecessors, (2047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:49,101 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:03:49,101 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 434 [2023-11-06 22:03:49,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:03:49,604 INFO L124 PetriNetUnfolderBase]: 96/259 cut-off events. [2023-11-06 22:03:49,604 INFO L125 PetriNetUnfolderBase]: For 1467/1467 co-relation queries the response was YES. [2023-11-06 22:03:49,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1516 conditions, 259 events. 96/259 cut-off events. For 1467/1467 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1151 event pairs, 21 based on Foata normal form. 9/268 useless extension candidates. Maximal degree in co-relation 1471. Up to 123 conditions per place. [2023-11-06 22:03:49,608 INFO L140 encePairwiseOnDemand]: 422/434 looper letters, 58 selfloop transitions, 76 changer transitions 0/134 dead transitions. [2023-11-06 22:03:49,609 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 134 transitions, 1689 flow [2023-11-06 22:03:49,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 22:03:49,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-11-06 22:03:49,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 3203 transitions. [2023-11-06 22:03:49,616 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4341284901057197 [2023-11-06 22:03:49,616 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 3203 transitions. [2023-11-06 22:03:49,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 3203 transitions. [2023-11-06 22:03:49,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:03:49,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 3203 transitions. [2023-11-06 22:03:49,623 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 188.41176470588235) internal successors, (3203), 17 states have internal predecessors, (3203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:49,629 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 434.0) internal successors, (7812), 18 states have internal predecessors, (7812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:49,631 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 434.0) internal successors, (7812), 18 states have internal predecessors, (7812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:49,631 INFO L175 Difference]: Start difference. First operand has 152 places, 104 transitions, 1158 flow. Second operand 17 states and 3203 transitions. [2023-11-06 22:03:49,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 134 transitions, 1689 flow [2023-11-06 22:03:49,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 134 transitions, 1502 flow, removed 13 selfloop flow, removed 19 redundant places. [2023-11-06 22:03:49,647 INFO L231 Difference]: Finished difference. Result has 137 places, 123 transitions, 1427 flow [2023-11-06 22:03:49,647 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=988, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1427, PETRI_PLACES=137, PETRI_TRANSITIONS=123} [2023-11-06 22:03:49,648 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 104 predicate places. [2023-11-06 22:03:49,648 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 123 transitions, 1427 flow [2023-11-06 22:03:49,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 186.0909090909091) internal successors, (2047), 11 states have internal predecessors, (2047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:49,649 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:03:49,649 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:49,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-06 22:03:49,649 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:03:49,650 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:49,650 INFO L85 PathProgramCache]: Analyzing trace with hash 236063678, now seen corresponding path program 4 times [2023-11-06 22:03:49,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:49,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808519117] [2023-11-06 22:03:49,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:49,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:50,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:03:50,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:50,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808519117] [2023-11-06 22:03:50,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808519117] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:50,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:50,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:03:50,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064569036] [2023-11-06 22:03:50,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:50,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:03:50,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:50,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:03:50,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:03:51,218 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 434 [2023-11-06 22:03:51,220 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 123 transitions, 1427 flow. Second operand has 11 states, 11 states have (on average 184.0909090909091) internal successors, (2025), 11 states have internal predecessors, (2025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:51,220 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:03:51,220 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 434 [2023-11-06 22:03:51,220 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:03:51,714 INFO L124 PetriNetUnfolderBase]: 93/253 cut-off events. [2023-11-06 22:03:51,715 INFO L125 PetriNetUnfolderBase]: For 1317/1317 co-relation queries the response was YES. [2023-11-06 22:03:51,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1522 conditions, 253 events. 93/253 cut-off events. For 1317/1317 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1114 event pairs, 24 based on Foata normal form. 3/256 useless extension candidates. Maximal degree in co-relation 1478. Up to 181 conditions per place. [2023-11-06 22:03:51,719 INFO L140 encePairwiseOnDemand]: 422/434 looper letters, 78 selfloop transitions, 54 changer transitions 0/132 dead transitions. [2023-11-06 22:03:51,719 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 132 transitions, 1740 flow [2023-11-06 22:03:51,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:03:51,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-06 22:03:51,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2618 transitions. [2023-11-06 22:03:51,725 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4308755760368664 [2023-11-06 22:03:51,725 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2618 transitions. [2023-11-06 22:03:51,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2618 transitions. [2023-11-06 22:03:51,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:03:51,726 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2618 transitions. [2023-11-06 22:03:51,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 187.0) internal successors, (2618), 14 states have internal predecessors, (2618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:51,736 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 434.0) internal successors, (6510), 15 states have internal predecessors, (6510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:51,737 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 434.0) internal successors, (6510), 15 states have internal predecessors, (6510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:51,737 INFO L175 Difference]: Start difference. First operand has 137 places, 123 transitions, 1427 flow. Second operand 14 states and 2618 transitions. [2023-11-06 22:03:51,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 132 transitions, 1740 flow [2023-11-06 22:03:51,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 132 transitions, 1571 flow, removed 20 selfloop flow, removed 13 redundant places. [2023-11-06 22:03:51,754 INFO L231 Difference]: Finished difference. Result has 139 places, 125 transitions, 1400 flow [2023-11-06 22:03:51,754 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=1263, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1400, PETRI_PLACES=139, PETRI_TRANSITIONS=125} [2023-11-06 22:03:51,755 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 106 predicate places. [2023-11-06 22:03:51,755 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 125 transitions, 1400 flow [2023-11-06 22:03:51,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 184.0909090909091) internal successors, (2025), 11 states have internal predecessors, (2025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:51,756 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:03:51,756 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:51,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-06 22:03:51,756 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:03:51,757 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:51,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1715752132, now seen corresponding path program 3 times [2023-11-06 22:03:51,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:51,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012336841] [2023-11-06 22:03:51,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:51,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:52,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:03:52,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:52,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012336841] [2023-11-06 22:03:52,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012336841] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:52,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:52,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:03:52,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860746549] [2023-11-06 22:03:52,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:52,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:03:52,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:52,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:03:52,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:03:53,327 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 434 [2023-11-06 22:03:53,329 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 125 transitions, 1400 flow. Second operand has 11 states, 11 states have (on average 186.0909090909091) internal successors, (2047), 11 states have internal predecessors, (2047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:53,329 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:03:53,329 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 434 [2023-11-06 22:03:53,329 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:03:53,836 INFO L124 PetriNetUnfolderBase]: 90/247 cut-off events. [2023-11-06 22:03:53,837 INFO L125 PetriNetUnfolderBase]: For 1174/1174 co-relation queries the response was YES. [2023-11-06 22:03:53,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1473 conditions, 247 events. 90/247 cut-off events. For 1174/1174 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1080 event pairs, 14 based on Foata normal form. 3/250 useless extension candidates. Maximal degree in co-relation 1431. Up to 93 conditions per place. [2023-11-06 22:03:53,841 INFO L140 encePairwiseOnDemand]: 423/434 looper letters, 50 selfloop transitions, 84 changer transitions 0/134 dead transitions. [2023-11-06 22:03:53,841 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 134 transitions, 1742 flow [2023-11-06 22:03:53,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-06 22:03:53,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-11-06 22:03:53,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 3013 transitions. [2023-11-06 22:03:53,847 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43389976958525345 [2023-11-06 22:03:53,847 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 3013 transitions. [2023-11-06 22:03:53,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 3013 transitions. [2023-11-06 22:03:53,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:03:53,848 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 3013 transitions. [2023-11-06 22:03:53,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 188.3125) internal successors, (3013), 16 states have internal predecessors, (3013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:53,859 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 434.0) internal successors, (7378), 17 states have internal predecessors, (7378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:53,860 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 434.0) internal successors, (7378), 17 states have internal predecessors, (7378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:53,860 INFO L175 Difference]: Start difference. First operand has 139 places, 125 transitions, 1400 flow. Second operand 16 states and 3013 transitions. [2023-11-06 22:03:53,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 134 transitions, 1742 flow [2023-11-06 22:03:53,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 134 transitions, 1654 flow, removed 13 selfloop flow, removed 6 redundant places. [2023-11-06 22:03:53,878 INFO L231 Difference]: Finished difference. Result has 149 places, 124 transitions, 1542 flow [2023-11-06 22:03:53,878 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=1290, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1542, PETRI_PLACES=149, PETRI_TRANSITIONS=124} [2023-11-06 22:03:53,879 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 116 predicate places. [2023-11-06 22:03:53,879 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 124 transitions, 1542 flow [2023-11-06 22:03:53,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 186.0909090909091) internal successors, (2047), 11 states have internal predecessors, (2047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:53,880 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:03:53,880 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:53,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-06 22:03:53,880 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:03:53,880 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:53,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1715752090, now seen corresponding path program 5 times [2023-11-06 22:03:53,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:53,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953916320] [2023-11-06 22:03:53,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:53,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:54,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:03:54,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:54,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953916320] [2023-11-06 22:03:54,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953916320] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:54,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:54,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:03:54,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107194512] [2023-11-06 22:03:54,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:54,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:03:54,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:54,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:03:54,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:03:55,286 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 434 [2023-11-06 22:03:55,288 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 124 transitions, 1542 flow. Second operand has 11 states, 11 states have (on average 184.0909090909091) internal successors, (2025), 11 states have internal predecessors, (2025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:55,288 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:03:55,288 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 434 [2023-11-06 22:03:55,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:03:55,737 INFO L124 PetriNetUnfolderBase]: 87/241 cut-off events. [2023-11-06 22:03:55,737 INFO L125 PetriNetUnfolderBase]: For 1385/1385 co-relation queries the response was YES. [2023-11-06 22:03:55,739 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1522 conditions, 241 events. 87/241 cut-off events. For 1385/1385 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1052 event pairs, 18 based on Foata normal form. 3/244 useless extension candidates. Maximal degree in co-relation 1478. Up to 139 conditions per place. [2023-11-06 22:03:55,742 INFO L140 encePairwiseOnDemand]: 422/434 looper letters, 68 selfloop transitions, 64 changer transitions 0/132 dead transitions. [2023-11-06 22:03:55,742 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 132 transitions, 1829 flow [2023-11-06 22:03:55,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:03:55,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-06 22:03:55,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2616 transitions. [2023-11-06 22:03:55,747 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4305464121132324 [2023-11-06 22:03:55,747 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2616 transitions. [2023-11-06 22:03:55,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2616 transitions. [2023-11-06 22:03:55,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:03:55,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2616 transitions. [2023-11-06 22:03:55,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 186.85714285714286) internal successors, (2616), 14 states have internal predecessors, (2616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:55,780 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 434.0) internal successors, (6510), 15 states have internal predecessors, (6510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:55,782 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 434.0) internal successors, (6510), 15 states have internal predecessors, (6510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:55,783 INFO L175 Difference]: Start difference. First operand has 149 places, 124 transitions, 1542 flow. Second operand 14 states and 2616 transitions. [2023-11-06 22:03:55,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 132 transitions, 1829 flow [2023-11-06 22:03:55,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 132 transitions, 1615 flow, removed 10 selfloop flow, removed 15 redundant places. [2023-11-06 22:03:55,801 INFO L231 Difference]: Finished difference. Result has 149 places, 124 transitions, 1470 flow [2023-11-06 22:03:55,802 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=1328, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1470, PETRI_PLACES=149, PETRI_TRANSITIONS=124} [2023-11-06 22:03:55,802 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 116 predicate places. [2023-11-06 22:03:55,803 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 124 transitions, 1470 flow [2023-11-06 22:03:55,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 184.0909090909091) internal successors, (2025), 11 states have internal predecessors, (2025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:55,804 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:03:55,804 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:55,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-06 22:03:55,804 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:03:55,805 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:55,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1436657448, now seen corresponding path program 1 times [2023-11-06 22:03:55,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:55,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546373597] [2023-11-06 22:03:55,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:55,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:56,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:03:56,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:56,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546373597] [2023-11-06 22:03:56,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546373597] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:56,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:56,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:03:56,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164274558] [2023-11-06 22:03:56,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:56,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:03:56,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:56,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:03:56,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:03:57,333 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 434 [2023-11-06 22:03:57,335 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 124 transitions, 1470 flow. Second operand has 11 states, 11 states have (on average 186.1818181818182) internal successors, (2048), 11 states have internal predecessors, (2048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:57,335 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:03:57,335 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 434 [2023-11-06 22:03:57,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:03:57,758 INFO L124 PetriNetUnfolderBase]: 90/248 cut-off events. [2023-11-06 22:03:57,758 INFO L125 PetriNetUnfolderBase]: For 1344/1344 co-relation queries the response was YES. [2023-11-06 22:03:57,760 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1566 conditions, 248 events. 90/248 cut-off events. For 1344/1344 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1106 event pairs, 23 based on Foata normal form. 2/250 useless extension candidates. Maximal degree in co-relation 1522. Up to 191 conditions per place. [2023-11-06 22:03:57,762 INFO L140 encePairwiseOnDemand]: 422/434 looper letters, 97 selfloop transitions, 37 changer transitions 0/134 dead transitions. [2023-11-06 22:03:57,763 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 134 transitions, 1828 flow [2023-11-06 22:03:57,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:03:57,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-06 22:03:57,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2636 transitions. [2023-11-06 22:03:57,768 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4338380513495721 [2023-11-06 22:03:57,768 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2636 transitions. [2023-11-06 22:03:57,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2636 transitions. [2023-11-06 22:03:57,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:03:57,769 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2636 transitions. [2023-11-06 22:03:57,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 188.28571428571428) internal successors, (2636), 14 states have internal predecessors, (2636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:57,778 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 434.0) internal successors, (6510), 15 states have internal predecessors, (6510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:57,779 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 434.0) internal successors, (6510), 15 states have internal predecessors, (6510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:57,779 INFO L175 Difference]: Start difference. First operand has 149 places, 124 transitions, 1470 flow. Second operand 14 states and 2636 transitions. [2023-11-06 22:03:57,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 134 transitions, 1828 flow [2023-11-06 22:03:57,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 134 transitions, 1593 flow, removed 16 selfloop flow, removed 17 redundant places. [2023-11-06 22:03:57,798 INFO L231 Difference]: Finished difference. Result has 147 places, 127 transitions, 1372 flow [2023-11-06 22:03:57,798 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=1237, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1372, PETRI_PLACES=147, PETRI_TRANSITIONS=127} [2023-11-06 22:03:57,799 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 114 predicate places. [2023-11-06 22:03:57,799 INFO L495 AbstractCegarLoop]: Abstraction has has 147 places, 127 transitions, 1372 flow [2023-11-06 22:03:57,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 186.1818181818182) internal successors, (2048), 11 states have internal predecessors, (2048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:57,800 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:03:57,800 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:03:57,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-06 22:03:57,800 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:03:57,800 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:03:57,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1348333598, now seen corresponding path program 2 times [2023-11-06 22:03:57,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:03:57,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246277220] [2023-11-06 22:03:57,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:03:57,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:03:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:03:58,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:03:58,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:03:58,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246277220] [2023-11-06 22:03:58,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246277220] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:03:58,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:03:58,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:03:58,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054829829] [2023-11-06 22:03:58,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:03:58,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:03:58,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:03:58,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:03:58,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:03:59,437 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 434 [2023-11-06 22:03:59,439 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 127 transitions, 1372 flow. Second operand has 11 states, 11 states have (on average 186.1818181818182) internal successors, (2048), 11 states have internal predecessors, (2048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:03:59,439 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:03:59,439 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 434 [2023-11-06 22:03:59,439 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:04:00,059 INFO L124 PetriNetUnfolderBase]: 93/259 cut-off events. [2023-11-06 22:04:00,059 INFO L125 PetriNetUnfolderBase]: For 1051/1051 co-relation queries the response was YES. [2023-11-06 22:04:00,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1504 conditions, 259 events. 93/259 cut-off events. For 1051/1051 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1207 event pairs, 16 based on Foata normal form. 2/261 useless extension candidates. Maximal degree in co-relation 1462. Up to 110 conditions per place. [2023-11-06 22:04:00,064 INFO L140 encePairwiseOnDemand]: 423/434 looper letters, 67 selfloop transitions, 76 changer transitions 0/143 dead transitions. [2023-11-06 22:04:00,064 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 143 transitions, 1772 flow [2023-11-06 22:04:00,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-06 22:04:00,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2023-11-06 22:04:00,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3957 transitions. [2023-11-06 22:04:00,071 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43416721527320606 [2023-11-06 22:04:00,071 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 3957 transitions. [2023-11-06 22:04:00,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 3957 transitions. [2023-11-06 22:04:00,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:04:00,073 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 3957 transitions. [2023-11-06 22:04:00,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 188.42857142857142) internal successors, (3957), 21 states have internal predecessors, (3957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:00,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 434.0) internal successors, (9548), 22 states have internal predecessors, (9548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:00,088 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 434.0) internal successors, (9548), 22 states have internal predecessors, (9548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:00,088 INFO L175 Difference]: Start difference. First operand has 147 places, 127 transitions, 1372 flow. Second operand 21 states and 3957 transitions. [2023-11-06 22:04:00,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 143 transitions, 1772 flow [2023-11-06 22:04:00,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 143 transitions, 1697 flow, removed 2 selfloop flow, removed 13 redundant places. [2023-11-06 22:04:00,106 INFO L231 Difference]: Finished difference. Result has 157 places, 135 transitions, 1592 flow [2023-11-06 22:04:00,106 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=1292, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1592, PETRI_PLACES=157, PETRI_TRANSITIONS=135} [2023-11-06 22:04:00,107 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 124 predicate places. [2023-11-06 22:04:00,107 INFO L495 AbstractCegarLoop]: Abstraction has has 157 places, 135 transitions, 1592 flow [2023-11-06 22:04:00,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 186.1818181818182) internal successors, (2048), 11 states have internal predecessors, (2048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:00,108 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:04:00,108 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:00,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-06 22:04:00,108 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:04:00,109 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:00,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1953567872, now seen corresponding path program 1 times [2023-11-06 22:04:00,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:00,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338639235] [2023-11-06 22:04:00,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:00,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:01,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:04:01,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:01,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338639235] [2023-11-06 22:04:01,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338639235] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:01,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:01,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:04:01,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752076047] [2023-11-06 22:04:01,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:01,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:04:01,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:01,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:04:01,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:04:02,760 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 434 [2023-11-06 22:04:02,762 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 135 transitions, 1592 flow. Second operand has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:02,762 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:04:02,762 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 434 [2023-11-06 22:04:02,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:04:03,443 INFO L124 PetriNetUnfolderBase]: 99/285 cut-off events. [2023-11-06 22:04:03,444 INFO L125 PetriNetUnfolderBase]: For 1436/1436 co-relation queries the response was YES. [2023-11-06 22:04:03,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1725 conditions, 285 events. 99/285 cut-off events. For 1436/1436 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1370 event pairs, 29 based on Foata normal form. 2/287 useless extension candidates. Maximal degree in co-relation 1681. Up to 180 conditions per place. [2023-11-06 22:04:03,448 INFO L140 encePairwiseOnDemand]: 422/434 looper letters, 96 selfloop transitions, 56 changer transitions 0/152 dead transitions. [2023-11-06 22:04:03,448 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 152 transitions, 2002 flow [2023-11-06 22:04:03,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:04:03,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-06 22:04:03,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2644 transitions. [2023-11-06 22:04:03,453 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4061443932411674 [2023-11-06 22:04:03,453 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2644 transitions. [2023-11-06 22:04:03,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2644 transitions. [2023-11-06 22:04:03,454 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:04:03,455 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2644 transitions. [2023-11-06 22:04:03,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 176.26666666666668) internal successors, (2644), 15 states have internal predecessors, (2644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:03,464 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 434.0) internal successors, (6944), 16 states have internal predecessors, (6944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:03,465 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 434.0) internal successors, (6944), 16 states have internal predecessors, (6944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:03,465 INFO L175 Difference]: Start difference. First operand has 157 places, 135 transitions, 1592 flow. Second operand 15 states and 2644 transitions. [2023-11-06 22:04:03,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 152 transitions, 2002 flow [2023-11-06 22:04:03,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 152 transitions, 1794 flow, removed 0 selfloop flow, removed 19 redundant places. [2023-11-06 22:04:03,484 INFO L231 Difference]: Finished difference. Result has 155 places, 137 transitions, 1544 flow [2023-11-06 22:04:03,484 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=1388, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1544, PETRI_PLACES=155, PETRI_TRANSITIONS=137} [2023-11-06 22:04:03,485 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 122 predicate places. [2023-11-06 22:04:03,485 INFO L495 AbstractCegarLoop]: Abstraction has has 155 places, 137 transitions, 1544 flow [2023-11-06 22:04:03,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:03,486 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:04:03,486 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:03,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-06 22:04:03,486 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:04:03,487 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:03,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1176953934, now seen corresponding path program 1 times [2023-11-06 22:04:03,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:03,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692250346] [2023-11-06 22:04:03,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:03,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:04,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:04:04,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:04,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692250346] [2023-11-06 22:04:04,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692250346] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:04,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:04,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:04:04,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930233691] [2023-11-06 22:04:04,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:04,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:04:04,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:04,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:04:04,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:04:06,114 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 434 [2023-11-06 22:04:06,116 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 137 transitions, 1544 flow. Second operand has 13 states, 13 states have (on average 175.15384615384616) internal successors, (2277), 13 states have internal predecessors, (2277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:06,116 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:04:06,116 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 434 [2023-11-06 22:04:06,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:04:06,952 INFO L124 PetriNetUnfolderBase]: 105/311 cut-off events. [2023-11-06 22:04:06,953 INFO L125 PetriNetUnfolderBase]: For 1703/1703 co-relation queries the response was YES. [2023-11-06 22:04:06,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1816 conditions, 311 events. 105/311 cut-off events. For 1703/1703 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1582 event pairs, 35 based on Foata normal form. 2/313 useless extension candidates. Maximal degree in co-relation 1770. Up to 175 conditions per place. [2023-11-06 22:04:06,958 INFO L140 encePairwiseOnDemand]: 423/434 looper letters, 95 selfloop transitions, 58 changer transitions 0/153 dead transitions. [2023-11-06 22:04:06,958 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 153 transitions, 1970 flow [2023-11-06 22:04:06,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-06 22:04:06,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-11-06 22:04:06,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2844 transitions. [2023-11-06 22:04:06,963 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40956221198156684 [2023-11-06 22:04:06,963 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2844 transitions. [2023-11-06 22:04:06,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2844 transitions. [2023-11-06 22:04:06,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:04:06,965 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2844 transitions. [2023-11-06 22:04:06,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 177.75) internal successors, (2844), 16 states have internal predecessors, (2844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:06,975 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 434.0) internal successors, (7378), 17 states have internal predecessors, (7378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:06,977 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 434.0) internal successors, (7378), 17 states have internal predecessors, (7378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:06,977 INFO L175 Difference]: Start difference. First operand has 155 places, 137 transitions, 1544 flow. Second operand 16 states and 2844 transitions. [2023-11-06 22:04:06,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 153 transitions, 1970 flow [2023-11-06 22:04:06,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 153 transitions, 1853 flow, removed 5 selfloop flow, removed 11 redundant places. [2023-11-06 22:04:06,999 INFO L231 Difference]: Finished difference. Result has 164 places, 141 transitions, 1630 flow [2023-11-06 22:04:06,999 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=1431, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1630, PETRI_PLACES=164, PETRI_TRANSITIONS=141} [2023-11-06 22:04:07,000 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 131 predicate places. [2023-11-06 22:04:07,000 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 141 transitions, 1630 flow [2023-11-06 22:04:07,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 175.15384615384616) internal successors, (2277), 13 states have internal predecessors, (2277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:07,000 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:04:07,001 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:07,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-06 22:04:07,001 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:04:07,001 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:07,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1964388128, now seen corresponding path program 2 times [2023-11-06 22:04:07,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:07,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403769005] [2023-11-06 22:04:07,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:07,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:08,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:04:08,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:08,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403769005] [2023-11-06 22:04:08,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403769005] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:08,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:08,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:04:08,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756172986] [2023-11-06 22:04:08,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:08,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:04:08,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:08,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:04:08,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:04:09,584 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 434 [2023-11-06 22:04:09,585 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 141 transitions, 1630 flow. Second operand has 13 states, 13 states have (on average 175.15384615384616) internal successors, (2277), 13 states have internal predecessors, (2277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:09,586 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:04:09,586 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 434 [2023-11-06 22:04:09,586 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:04:10,320 INFO L124 PetriNetUnfolderBase]: 118/370 cut-off events. [2023-11-06 22:04:10,320 INFO L125 PetriNetUnfolderBase]: For 2273/2273 co-relation queries the response was YES. [2023-11-06 22:04:10,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2120 conditions, 370 events. 118/370 cut-off events. For 2273/2273 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2063 event pairs, 33 based on Foata normal form. 6/376 useless extension candidates. Maximal degree in co-relation 2069. Up to 107 conditions per place. [2023-11-06 22:04:10,325 INFO L140 encePairwiseOnDemand]: 421/434 looper letters, 72 selfloop transitions, 87 changer transitions 7/166 dead transitions. [2023-11-06 22:04:10,325 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 166 transitions, 2163 flow [2023-11-06 22:04:10,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-06 22:04:10,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2023-11-06 22:04:10,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 3372 transitions. [2023-11-06 22:04:10,330 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4089255396555906 [2023-11-06 22:04:10,330 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 3372 transitions. [2023-11-06 22:04:10,330 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 3372 transitions. [2023-11-06 22:04:10,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:04:10,332 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 3372 transitions. [2023-11-06 22:04:10,337 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 177.47368421052633) internal successors, (3372), 19 states have internal predecessors, (3372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:10,343 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 434.0) internal successors, (8680), 20 states have internal predecessors, (8680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:10,344 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 434.0) internal successors, (8680), 20 states have internal predecessors, (8680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:10,344 INFO L175 Difference]: Start difference. First operand has 164 places, 141 transitions, 1630 flow. Second operand 19 states and 3372 transitions. [2023-11-06 22:04:10,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 166 transitions, 2163 flow [2023-11-06 22:04:10,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 166 transitions, 1997 flow, removed 12 selfloop flow, removed 12 redundant places. [2023-11-06 22:04:10,368 INFO L231 Difference]: Finished difference. Result has 173 places, 142 transitions, 1737 flow [2023-11-06 22:04:10,369 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=1480, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=81, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1737, PETRI_PLACES=173, PETRI_TRANSITIONS=142} [2023-11-06 22:04:10,369 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 140 predicate places. [2023-11-06 22:04:10,369 INFO L495 AbstractCegarLoop]: Abstraction has has 173 places, 142 transitions, 1737 flow [2023-11-06 22:04:10,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 175.15384615384616) internal successors, (2277), 13 states have internal predecessors, (2277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:10,370 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:04:10,370 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:10,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-06 22:04:10,370 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:04:10,371 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:10,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1716154166, now seen corresponding path program 2 times [2023-11-06 22:04:10,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:10,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515783874] [2023-11-06 22:04:10,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:10,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:11,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:04:11,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:11,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515783874] [2023-11-06 22:04:11,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515783874] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:11,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:11,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:04:11,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619669452] [2023-11-06 22:04:11,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:11,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:04:11,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:11,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:04:11,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:04:12,659 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 434 [2023-11-06 22:04:12,661 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 142 transitions, 1737 flow. Second operand has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:12,661 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:04:12,661 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 434 [2023-11-06 22:04:12,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:04:13,270 INFO L124 PetriNetUnfolderBase]: 110/347 cut-off events. [2023-11-06 22:04:13,270 INFO L125 PetriNetUnfolderBase]: For 2600/2600 co-relation queries the response was YES. [2023-11-06 22:04:13,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2073 conditions, 347 events. 110/347 cut-off events. For 2600/2600 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1889 event pairs, 43 based on Foata normal form. 2/349 useless extension candidates. Maximal degree in co-relation 2019. Up to 268 conditions per place. [2023-11-06 22:04:13,276 INFO L140 encePairwiseOnDemand]: 423/434 looper letters, 96 selfloop transitions, 53 changer transitions 0/149 dead transitions. [2023-11-06 22:04:13,277 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 149 transitions, 2069 flow [2023-11-06 22:04:13,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:04:13,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-06 22:04:13,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2287 transitions. [2023-11-06 22:04:13,280 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4053527118043247 [2023-11-06 22:04:13,280 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2287 transitions. [2023-11-06 22:04:13,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2287 transitions. [2023-11-06 22:04:13,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:04:13,283 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2287 transitions. [2023-11-06 22:04:13,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 175.92307692307693) internal successors, (2287), 13 states have internal predecessors, (2287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:13,291 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 434.0) internal successors, (6076), 14 states have internal predecessors, (6076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:13,292 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 434.0) internal successors, (6076), 14 states have internal predecessors, (6076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:13,293 INFO L175 Difference]: Start difference. First operand has 173 places, 142 transitions, 1737 flow. Second operand 13 states and 2287 transitions. [2023-11-06 22:04:13,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 149 transitions, 2069 flow [2023-11-06 22:04:13,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 149 transitions, 1938 flow, removed 14 selfloop flow, removed 17 redundant places. [2023-11-06 22:04:13,319 INFO L231 Difference]: Finished difference. Result has 167 places, 142 transitions, 1715 flow [2023-11-06 22:04:13,319 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=1606, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1715, PETRI_PLACES=167, PETRI_TRANSITIONS=142} [2023-11-06 22:04:13,320 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 134 predicate places. [2023-11-06 22:04:13,320 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 142 transitions, 1715 flow [2023-11-06 22:04:13,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:13,321 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:04:13,321 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:13,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-06 22:04:13,321 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:04:13,322 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:13,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1575934136, now seen corresponding path program 3 times [2023-11-06 22:04:13,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:13,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315122183] [2023-11-06 22:04:13,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:13,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:14,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:04:14,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:14,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315122183] [2023-11-06 22:04:14,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315122183] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:14,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:14,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:04:14,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324686720] [2023-11-06 22:04:14,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:14,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:04:14,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:14,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:04:14,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:04:15,713 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 434 [2023-11-06 22:04:15,715 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 142 transitions, 1715 flow. Second operand has 13 states, 13 states have (on average 175.15384615384616) internal successors, (2277), 13 states have internal predecessors, (2277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:15,715 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:04:15,715 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 434 [2023-11-06 22:04:15,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:04:16,467 INFO L124 PetriNetUnfolderBase]: 106/335 cut-off events. [2023-11-06 22:04:16,468 INFO L125 PetriNetUnfolderBase]: For 2274/2274 co-relation queries the response was YES. [2023-11-06 22:04:16,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1958 conditions, 335 events. 106/335 cut-off events. For 2274/2274 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1816 event pairs, 30 based on Foata normal form. 8/343 useless extension candidates. Maximal degree in co-relation 1905. Up to 155 conditions per place. [2023-11-06 22:04:16,473 INFO L140 encePairwiseOnDemand]: 422/434 looper letters, 68 selfloop transitions, 76 changer transitions 9/153 dead transitions. [2023-11-06 22:04:16,474 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 153 transitions, 2070 flow [2023-11-06 22:04:16,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-06 22:04:16,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-11-06 22:04:16,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 3192 transitions. [2023-11-06 22:04:16,480 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40860215053763443 [2023-11-06 22:04:16,480 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 3192 transitions. [2023-11-06 22:04:16,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 3192 transitions. [2023-11-06 22:04:16,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:04:16,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 3192 transitions. [2023-11-06 22:04:16,486 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 177.33333333333334) internal successors, (3192), 18 states have internal predecessors, (3192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:16,493 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 434.0) internal successors, (8246), 19 states have internal predecessors, (8246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:16,494 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 434.0) internal successors, (8246), 19 states have internal predecessors, (8246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:16,494 INFO L175 Difference]: Start difference. First operand has 167 places, 142 transitions, 1715 flow. Second operand 18 states and 3192 transitions. [2023-11-06 22:04:16,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 153 transitions, 2070 flow [2023-11-06 22:04:16,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 153 transitions, 1965 flow, removed 0 selfloop flow, removed 11 redundant places. [2023-11-06 22:04:16,516 INFO L231 Difference]: Finished difference. Result has 174 places, 133 transitions, 1673 flow [2023-11-06 22:04:16,517 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=1610, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=1673, PETRI_PLACES=174, PETRI_TRANSITIONS=133} [2023-11-06 22:04:16,517 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 141 predicate places. [2023-11-06 22:04:16,518 INFO L495 AbstractCegarLoop]: Abstraction has has 174 places, 133 transitions, 1673 flow [2023-11-06 22:04:16,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 175.15384615384616) internal successors, (2277), 13 states have internal predecessors, (2277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:16,518 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:04:16,518 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:16,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-06 22:04:16,519 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:04:16,519 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:16,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1331895698, now seen corresponding path program 4 times [2023-11-06 22:04:16,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:16,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589581457] [2023-11-06 22:04:16,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:16,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:17,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:04:17,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:17,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589581457] [2023-11-06 22:04:17,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589581457] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:17,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:17,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:04:17,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980327233] [2023-11-06 22:04:17,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:17,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:04:17,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:17,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:04:17,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:04:18,847 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 434 [2023-11-06 22:04:18,848 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 133 transitions, 1673 flow. Second operand has 13 states, 13 states have (on average 175.15384615384616) internal successors, (2277), 13 states have internal predecessors, (2277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:18,851 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:04:18,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 434 [2023-11-06 22:04:18,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:04:19,355 INFO L124 PetriNetUnfolderBase]: 101/324 cut-off events. [2023-11-06 22:04:19,355 INFO L125 PetriNetUnfolderBase]: For 2347/2347 co-relation queries the response was YES. [2023-11-06 22:04:19,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1944 conditions, 324 events. 101/324 cut-off events. For 2347/2347 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1740 event pairs, 52 based on Foata normal form. 2/326 useless extension candidates. Maximal degree in co-relation 1890. Up to 250 conditions per place. [2023-11-06 22:04:19,360 INFO L140 encePairwiseOnDemand]: 424/434 looper letters, 98 selfloop transitions, 44 changer transitions 0/142 dead transitions. [2023-11-06 22:04:19,360 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 142 transitions, 2021 flow [2023-11-06 22:04:19,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:04:19,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-06 22:04:19,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2313 transitions. [2023-11-06 22:04:19,370 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4099610067352003 [2023-11-06 22:04:19,370 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2313 transitions. [2023-11-06 22:04:19,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2313 transitions. [2023-11-06 22:04:19,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:04:19,372 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2313 transitions. [2023-11-06 22:04:19,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 177.92307692307693) internal successors, (2313), 13 states have internal predecessors, (2313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:19,380 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 434.0) internal successors, (6076), 14 states have internal predecessors, (6076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:19,380 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 434.0) internal successors, (6076), 14 states have internal predecessors, (6076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:19,381 INFO L175 Difference]: Start difference. First operand has 174 places, 133 transitions, 1673 flow. Second operand 13 states and 2313 transitions. [2023-11-06 22:04:19,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 142 transitions, 2021 flow [2023-11-06 22:04:19,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 142 transitions, 1779 flow, removed 10 selfloop flow, removed 26 redundant places. [2023-11-06 22:04:19,401 INFO L231 Difference]: Finished difference. Result has 156 places, 135 transitions, 1562 flow [2023-11-06 22:04:19,401 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=1433, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1562, PETRI_PLACES=156, PETRI_TRANSITIONS=135} [2023-11-06 22:04:19,408 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 123 predicate places. [2023-11-06 22:04:19,408 INFO L495 AbstractCegarLoop]: Abstraction has has 156 places, 135 transitions, 1562 flow [2023-11-06 22:04:19,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 175.15384615384616) internal successors, (2277), 13 states have internal predecessors, (2277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:19,408 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:04:19,409 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:19,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-06 22:04:19,409 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:04:19,409 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:19,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1180855286, now seen corresponding path program 3 times [2023-11-06 22:04:19,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:19,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115307979] [2023-11-06 22:04:19,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:19,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:20,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:04:20,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:20,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115307979] [2023-11-06 22:04:20,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115307979] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:20,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:20,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:04:20,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602396548] [2023-11-06 22:04:20,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:20,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:04:20,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:20,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:04:20,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:04:21,620 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 434 [2023-11-06 22:04:21,622 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 135 transitions, 1562 flow. Second operand has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:21,622 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:04:21,622 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 434 [2023-11-06 22:04:21,622 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:04:22,218 INFO L124 PetriNetUnfolderBase]: 100/321 cut-off events. [2023-11-06 22:04:22,218 INFO L125 PetriNetUnfolderBase]: For 2132/2132 co-relation queries the response was YES. [2023-11-06 22:04:22,221 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1814 conditions, 321 events. 100/321 cut-off events. For 2132/2132 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1716 event pairs, 49 based on Foata normal form. 2/323 useless extension candidates. Maximal degree in co-relation 1767. Up to 244 conditions per place. [2023-11-06 22:04:22,223 INFO L140 encePairwiseOnDemand]: 423/434 looper letters, 86 selfloop transitions, 42 changer transitions 14/142 dead transitions. [2023-11-06 22:04:22,224 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 142 transitions, 1864 flow [2023-11-06 22:04:22,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:04:22,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-06 22:04:22,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2459 transitions. [2023-11-06 22:04:22,228 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40470704410796576 [2023-11-06 22:04:22,228 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2459 transitions. [2023-11-06 22:04:22,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2459 transitions. [2023-11-06 22:04:22,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:04:22,230 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2459 transitions. [2023-11-06 22:04:22,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 175.64285714285714) internal successors, (2459), 14 states have internal predecessors, (2459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:22,239 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 434.0) internal successors, (6510), 15 states have internal predecessors, (6510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:22,240 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 434.0) internal successors, (6510), 15 states have internal predecessors, (6510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:22,240 INFO L175 Difference]: Start difference. First operand has 156 places, 135 transitions, 1562 flow. Second operand 14 states and 2459 transitions. [2023-11-06 22:04:22,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 142 transitions, 1864 flow [2023-11-06 22:04:22,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 142 transitions, 1771 flow, removed 8 selfloop flow, removed 8 redundant places. [2023-11-06 22:04:22,260 INFO L231 Difference]: Finished difference. Result has 162 places, 126 transitions, 1442 flow [2023-11-06 22:04:22,260 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=1469, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1442, PETRI_PLACES=162, PETRI_TRANSITIONS=126} [2023-11-06 22:04:22,261 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 129 predicate places. [2023-11-06 22:04:22,261 INFO L495 AbstractCegarLoop]: Abstraction has has 162 places, 126 transitions, 1442 flow [2023-11-06 22:04:22,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:22,262 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:04:22,262 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:22,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-06 22:04:22,262 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:04:22,263 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:22,263 INFO L85 PathProgramCache]: Analyzing trace with hash 82132998, now seen corresponding path program 4 times [2023-11-06 22:04:22,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:22,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410075063] [2023-11-06 22:04:22,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:22,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:23,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:04:23,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:23,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410075063] [2023-11-06 22:04:23,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410075063] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:23,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:23,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:04:23,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085333331] [2023-11-06 22:04:23,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:23,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:04:23,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:23,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:04:23,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:04:24,641 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 434 [2023-11-06 22:04:24,643 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 126 transitions, 1442 flow. Second operand has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:24,643 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:04:24,643 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 434 [2023-11-06 22:04:24,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:04:25,296 INFO L124 PetriNetUnfolderBase]: 91/294 cut-off events. [2023-11-06 22:04:25,296 INFO L125 PetriNetUnfolderBase]: For 1928/1928 co-relation queries the response was YES. [2023-11-06 22:04:25,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1663 conditions, 294 events. 91/294 cut-off events. For 1928/1928 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1519 event pairs, 40 based on Foata normal form. 2/296 useless extension candidates. Maximal degree in co-relation 1615. Up to 204 conditions per place. [2023-11-06 22:04:25,300 INFO L140 encePairwiseOnDemand]: 422/434 looper letters, 84 selfloop transitions, 43 changer transitions 11/138 dead transitions. [2023-11-06 22:04:25,300 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 138 transitions, 1750 flow [2023-11-06 22:04:25,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-06 22:04:25,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2023-11-06 22:04:25,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 3156 transitions. [2023-11-06 22:04:25,305 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4039938556067588 [2023-11-06 22:04:25,305 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 3156 transitions. [2023-11-06 22:04:25,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 3156 transitions. [2023-11-06 22:04:25,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:04:25,307 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 3156 transitions. [2023-11-06 22:04:25,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 175.33333333333334) internal successors, (3156), 18 states have internal predecessors, (3156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:25,318 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 434.0) internal successors, (8246), 19 states have internal predecessors, (8246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:25,319 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 434.0) internal successors, (8246), 19 states have internal predecessors, (8246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:25,320 INFO L175 Difference]: Start difference. First operand has 162 places, 126 transitions, 1442 flow. Second operand 18 states and 3156 transitions. [2023-11-06 22:04:25,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 138 transitions, 1750 flow [2023-11-06 22:04:25,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 138 transitions, 1628 flow, removed 4 selfloop flow, removed 15 redundant places. [2023-11-06 22:04:25,338 INFO L231 Difference]: Finished difference. Result has 159 places, 119 transitions, 1303 flow [2023-11-06 22:04:25,338 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=1320, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=1303, PETRI_PLACES=159, PETRI_TRANSITIONS=119} [2023-11-06 22:04:25,339 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 126 predicate places. [2023-11-06 22:04:25,339 INFO L495 AbstractCegarLoop]: Abstraction has has 159 places, 119 transitions, 1303 flow [2023-11-06 22:04:25,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:25,339 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:04:25,340 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:25,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-06 22:04:25,340 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:04:25,340 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:25,340 INFO L85 PathProgramCache]: Analyzing trace with hash 179110074, now seen corresponding path program 5 times [2023-11-06 22:04:25,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:25,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792361406] [2023-11-06 22:04:25,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:25,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:26,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:04:26,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:26,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792361406] [2023-11-06 22:04:26,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792361406] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:26,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:26,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:04:26,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917050160] [2023-11-06 22:04:26,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:26,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:04:26,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:26,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:04:26,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:04:27,613 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 434 [2023-11-06 22:04:27,615 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 119 transitions, 1303 flow. Second operand has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:27,615 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:04:27,615 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 434 [2023-11-06 22:04:27,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:04:28,091 INFO L124 PetriNetUnfolderBase]: 83/271 cut-off events. [2023-11-06 22:04:28,092 INFO L125 PetriNetUnfolderBase]: For 1609/1609 co-relation queries the response was YES. [2023-11-06 22:04:28,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1509 conditions, 271 events. 83/271 cut-off events. For 1609/1609 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1356 event pairs, 39 based on Foata normal form. 2/273 useless extension candidates. Maximal degree in co-relation 1463. Up to 210 conditions per place. [2023-11-06 22:04:28,095 INFO L140 encePairwiseOnDemand]: 424/434 looper letters, 78 selfloop transitions, 33 changer transitions 13/124 dead transitions. [2023-11-06 22:04:28,095 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 124 transitions, 1564 flow [2023-11-06 22:04:28,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:04:28,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-06 22:04:28,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2455 transitions. [2023-11-06 22:04:28,099 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4040487162606978 [2023-11-06 22:04:28,099 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2455 transitions. [2023-11-06 22:04:28,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2455 transitions. [2023-11-06 22:04:28,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:04:28,100 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2455 transitions. [2023-11-06 22:04:28,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 175.35714285714286) internal successors, (2455), 14 states have internal predecessors, (2455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:28,109 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 434.0) internal successors, (6510), 15 states have internal predecessors, (6510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:28,110 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 434.0) internal successors, (6510), 15 states have internal predecessors, (6510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:28,110 INFO L175 Difference]: Start difference. First operand has 159 places, 119 transitions, 1303 flow. Second operand 14 states and 2455 transitions. [2023-11-06 22:04:28,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 124 transitions, 1564 flow [2023-11-06 22:04:28,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 124 transitions, 1459 flow, removed 4 selfloop flow, removed 18 redundant places. [2023-11-06 22:04:28,125 INFO L231 Difference]: Finished difference. Result has 152 places, 111 transitions, 1209 flow [2023-11-06 22:04:28,125 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=1198, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1209, PETRI_PLACES=152, PETRI_TRANSITIONS=111} [2023-11-06 22:04:28,126 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 119 predicate places. [2023-11-06 22:04:28,126 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 111 transitions, 1209 flow [2023-11-06 22:04:28,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:28,127 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:04:28,127 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:28,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-06 22:04:28,127 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:04:28,128 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:28,128 INFO L85 PathProgramCache]: Analyzing trace with hash -996203934, now seen corresponding path program 6 times [2023-11-06 22:04:28,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:28,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903380882] [2023-11-06 22:04:28,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:28,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:29,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:04:29,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:29,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903380882] [2023-11-06 22:04:29,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903380882] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:29,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:29,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:04:29,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040945287] [2023-11-06 22:04:29,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:29,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:04:29,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:29,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:04:29,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:04:30,339 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 434 [2023-11-06 22:04:30,341 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 111 transitions, 1209 flow. Second operand has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:30,342 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:04:30,342 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 434 [2023-11-06 22:04:30,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:04:31,026 INFO L124 PetriNetUnfolderBase]: 76/247 cut-off events. [2023-11-06 22:04:31,027 INFO L125 PetriNetUnfolderBase]: For 1444/1444 co-relation queries the response was YES. [2023-11-06 22:04:31,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1400 conditions, 247 events. 76/247 cut-off events. For 1444/1444 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1182 event pairs, 25 based on Foata normal form. 2/249 useless extension candidates. Maximal degree in co-relation 1357. Up to 123 conditions per place. [2023-11-06 22:04:31,036 INFO L140 encePairwiseOnDemand]: 422/434 looper letters, 65 selfloop transitions, 49 changer transitions 11/125 dead transitions. [2023-11-06 22:04:31,037 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 125 transitions, 1506 flow [2023-11-06 22:04:31,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 22:04:31,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-11-06 22:04:31,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2985 transitions. [2023-11-06 22:04:31,041 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4045811873136351 [2023-11-06 22:04:31,041 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 2985 transitions. [2023-11-06 22:04:31,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 2985 transitions. [2023-11-06 22:04:31,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:04:31,042 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 2985 transitions. [2023-11-06 22:04:31,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 175.58823529411765) internal successors, (2985), 17 states have internal predecessors, (2985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:31,052 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 434.0) internal successors, (7812), 18 states have internal predecessors, (7812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:31,054 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 434.0) internal successors, (7812), 18 states have internal predecessors, (7812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:31,054 INFO L175 Difference]: Start difference. First operand has 152 places, 111 transitions, 1209 flow. Second operand 17 states and 2985 transitions. [2023-11-06 22:04:31,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 125 transitions, 1506 flow [2023-11-06 22:04:31,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 125 transitions, 1396 flow, removed 4 selfloop flow, removed 11 redundant places. [2023-11-06 22:04:31,067 INFO L231 Difference]: Finished difference. Result has 147 places, 105 transitions, 1110 flow [2023-11-06 22:04:31,068 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=1101, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1110, PETRI_PLACES=147, PETRI_TRANSITIONS=105} [2023-11-06 22:04:31,069 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 114 predicate places. [2023-11-06 22:04:31,069 INFO L495 AbstractCegarLoop]: Abstraction has has 147 places, 105 transitions, 1110 flow [2023-11-06 22:04:31,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:31,070 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:04:31,070 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:31,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-06 22:04:31,071 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:04:31,071 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:31,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1229125676, now seen corresponding path program 7 times [2023-11-06 22:04:31,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:31,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422366135] [2023-11-06 22:04:31,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:31,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:32,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:04:32,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:32,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422366135] [2023-11-06 22:04:32,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422366135] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:32,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:32,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:04:32,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752004467] [2023-11-06 22:04:32,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:32,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:04:32,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:32,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:04:32,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:04:33,183 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 434 [2023-11-06 22:04:33,185 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 105 transitions, 1110 flow. Second operand has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:33,186 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:04:33,186 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 434 [2023-11-06 22:04:33,186 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:04:33,684 INFO L124 PetriNetUnfolderBase]: 70/234 cut-off events. [2023-11-06 22:04:33,685 INFO L125 PetriNetUnfolderBase]: For 1279/1279 co-relation queries the response was YES. [2023-11-06 22:04:33,686 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1286 conditions, 234 events. 70/234 cut-off events. For 1279/1279 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1106 event pairs, 35 based on Foata normal form. 2/236 useless extension candidates. Maximal degree in co-relation 1245. Up to 162 conditions per place. [2023-11-06 22:04:33,687 INFO L140 encePairwiseOnDemand]: 424/434 looper letters, 65 selfloop transitions, 25 changer transitions 21/111 dead transitions. [2023-11-06 22:04:33,687 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 111 transitions, 1359 flow [2023-11-06 22:04:33,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:04:33,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-06 22:04:33,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1937 transitions. [2023-11-06 22:04:33,690 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40573942186845413 [2023-11-06 22:04:33,690 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1937 transitions. [2023-11-06 22:04:33,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1937 transitions. [2023-11-06 22:04:33,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:04:33,690 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1937 transitions. [2023-11-06 22:04:33,692 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 176.0909090909091) internal successors, (1937), 11 states have internal predecessors, (1937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:33,694 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 434.0) internal successors, (5208), 12 states have internal predecessors, (5208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:33,694 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 434.0) internal successors, (5208), 12 states have internal predecessors, (5208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:33,694 INFO L175 Difference]: Start difference. First operand has 147 places, 105 transitions, 1110 flow. Second operand 11 states and 1937 transitions. [2023-11-06 22:04:33,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 111 transitions, 1359 flow [2023-11-06 22:04:33,702 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 111 transitions, 1247 flow, removed 12 selfloop flow, removed 13 redundant places. [2023-11-06 22:04:33,704 INFO L231 Difference]: Finished difference. Result has 144 places, 90 transitions, 873 flow [2023-11-06 22:04:33,705 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=1000, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=873, PETRI_PLACES=144, PETRI_TRANSITIONS=90} [2023-11-06 22:04:33,705 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 111 predicate places. [2023-11-06 22:04:33,705 INFO L495 AbstractCegarLoop]: Abstraction has has 144 places, 90 transitions, 873 flow [2023-11-06 22:04:33,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:33,706 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:04:33,706 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:33,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-06 22:04:33,706 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:04:33,706 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:33,706 INFO L85 PathProgramCache]: Analyzing trace with hash 253558724, now seen corresponding path program 8 times [2023-11-06 22:04:33,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:33,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072492797] [2023-11-06 22:04:33,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:33,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:33,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:34,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:04:34,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:34,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072492797] [2023-11-06 22:04:34,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072492797] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:34,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:34,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:04:34,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717858164] [2023-11-06 22:04:34,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:34,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:04:34,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:34,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:04:34,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:04:35,837 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 434 [2023-11-06 22:04:35,839 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 90 transitions, 873 flow. Second operand has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:35,839 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:04:35,839 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 434 [2023-11-06 22:04:35,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:04:36,339 INFO L124 PetriNetUnfolderBase]: 57/194 cut-off events. [2023-11-06 22:04:36,339 INFO L125 PetriNetUnfolderBase]: For 893/893 co-relation queries the response was YES. [2023-11-06 22:04:36,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1006 conditions, 194 events. 57/194 cut-off events. For 893/893 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 846 event pairs, 30 based on Foata normal form. 2/196 useless extension candidates. Maximal degree in co-relation 964. Up to 131 conditions per place. [2023-11-06 22:04:36,342 INFO L140 encePairwiseOnDemand]: 424/434 looper letters, 58 selfloop transitions, 21 changer transitions 16/95 dead transitions. [2023-11-06 22:04:36,342 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 95 transitions, 1075 flow [2023-11-06 22:04:36,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:04:36,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-06 22:04:36,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2107 transitions. [2023-11-06 22:04:36,350 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40456989247311825 [2023-11-06 22:04:36,351 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2107 transitions. [2023-11-06 22:04:36,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2107 transitions. [2023-11-06 22:04:36,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:04:36,351 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2107 transitions. [2023-11-06 22:04:36,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 175.58333333333334) internal successors, (2107), 12 states have internal predecessors, (2107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:36,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 434.0) internal successors, (5642), 13 states have internal predecessors, (5642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:36,359 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 434.0) internal successors, (5642), 13 states have internal predecessors, (5642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:36,359 INFO L175 Difference]: Start difference. First operand has 144 places, 90 transitions, 873 flow. Second operand 12 states and 2107 transitions. [2023-11-06 22:04:36,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 95 transitions, 1075 flow [2023-11-06 22:04:36,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 95 transitions, 974 flow, removed 8 selfloop flow, removed 17 redundant places. [2023-11-06 22:04:36,367 INFO L231 Difference]: Finished difference. Result has 133 places, 79 transitions, 705 flow [2023-11-06 22:04:36,367 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=772, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=705, PETRI_PLACES=133, PETRI_TRANSITIONS=79} [2023-11-06 22:04:36,367 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 100 predicate places. [2023-11-06 22:04:36,368 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 79 transitions, 705 flow [2023-11-06 22:04:36,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:36,368 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:04:36,369 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:36,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-06 22:04:36,369 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:04:36,369 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:36,369 INFO L85 PathProgramCache]: Analyzing trace with hash -899226858, now seen corresponding path program 9 times [2023-11-06 22:04:36,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:36,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732148262] [2023-11-06 22:04:36,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:36,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:37,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:04:37,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:37,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732148262] [2023-11-06 22:04:37,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732148262] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:37,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:37,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:04:37,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972188199] [2023-11-06 22:04:37,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:37,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:04:37,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:37,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:04:37,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:04:38,521 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 434 [2023-11-06 22:04:38,522 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 79 transitions, 705 flow. Second operand has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:38,523 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:04:38,523 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 434 [2023-11-06 22:04:38,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:04:38,979 INFO L124 PetriNetUnfolderBase]: 46/163 cut-off events. [2023-11-06 22:04:38,979 INFO L125 PetriNetUnfolderBase]: For 675/675 co-relation queries the response was YES. [2023-11-06 22:04:38,980 INFO L83 FinitePrefix]: Finished finitePrefix Result has 805 conditions, 163 events. 46/163 cut-off events. For 675/675 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 661 event pairs, 21 based on Foata normal form. 2/165 useless extension candidates. Maximal degree in co-relation 768. Up to 107 conditions per place. [2023-11-06 22:04:38,981 INFO L140 encePairwiseOnDemand]: 423/434 looper letters, 48 selfloop transitions, 12 changer transitions 24/84 dead transitions. [2023-11-06 22:04:38,981 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 84 transitions, 884 flow [2023-11-06 22:04:38,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:04:38,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-06 22:04:38,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2104 transitions. [2023-11-06 22:04:38,983 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4039938556067588 [2023-11-06 22:04:38,984 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2104 transitions. [2023-11-06 22:04:38,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2104 transitions. [2023-11-06 22:04:38,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:04:38,984 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2104 transitions. [2023-11-06 22:04:38,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 175.33333333333334) internal successors, (2104), 12 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:38,988 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 434.0) internal successors, (5642), 13 states have internal predecessors, (5642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:38,988 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 434.0) internal successors, (5642), 13 states have internal predecessors, (5642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:38,988 INFO L175 Difference]: Start difference. First operand has 133 places, 79 transitions, 705 flow. Second operand 12 states and 2104 transitions. [2023-11-06 22:04:38,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 84 transitions, 884 flow [2023-11-06 22:04:38,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 84 transitions, 821 flow, removed 6 selfloop flow, removed 14 redundant places. [2023-11-06 22:04:38,993 INFO L231 Difference]: Finished difference. Result has 124 places, 59 transitions, 532 flow [2023-11-06 22:04:38,993 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=642, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=532, PETRI_PLACES=124, PETRI_TRANSITIONS=59} [2023-11-06 22:04:38,993 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 91 predicate places. [2023-11-06 22:04:38,994 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 59 transitions, 532 flow [2023-11-06 22:04:38,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:38,994 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:04:38,994 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:38,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-06 22:04:38,994 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:04:38,995 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:38,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1079477784, now seen corresponding path program 5 times [2023-11-06 22:04:38,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:38,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110813193] [2023-11-06 22:04:38,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:38,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:39,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:04:39,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:39,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110813193] [2023-11-06 22:04:39,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110813193] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:39,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:39,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:04:39,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211787269] [2023-11-06 22:04:39,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:39,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:04:39,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:39,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:04:39,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:04:40,928 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 434 [2023-11-06 22:04:40,929 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 59 transitions, 532 flow. Second operand has 13 states, 13 states have (on average 175.15384615384616) internal successors, (2277), 13 states have internal predecessors, (2277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:40,929 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:04:40,929 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 434 [2023-11-06 22:04:40,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:04:41,633 INFO L124 PetriNetUnfolderBase]: 40/135 cut-off events. [2023-11-06 22:04:41,633 INFO L125 PetriNetUnfolderBase]: For 602/602 co-relation queries the response was YES. [2023-11-06 22:04:41,634 INFO L83 FinitePrefix]: Finished finitePrefix Result has 655 conditions, 135 events. 40/135 cut-off events. For 602/602 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 500 event pairs, 15 based on Foata normal form. 2/137 useless extension candidates. Maximal degree in co-relation 622. Up to 40 conditions per place. [2023-11-06 22:04:41,635 INFO L140 encePairwiseOnDemand]: 423/434 looper letters, 38 selfloop transitions, 34 changer transitions 0/72 dead transitions. [2023-11-06 22:04:41,635 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 72 transitions, 729 flow [2023-11-06 22:04:41,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 22:04:41,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-11-06 22:04:41,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 3013 transitions. [2023-11-06 22:04:41,640 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40837625372729736 [2023-11-06 22:04:41,640 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 3013 transitions. [2023-11-06 22:04:41,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 3013 transitions. [2023-11-06 22:04:41,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:04:41,641 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 3013 transitions. [2023-11-06 22:04:41,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 177.23529411764707) internal successors, (3013), 17 states have internal predecessors, (3013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:41,650 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 434.0) internal successors, (7812), 18 states have internal predecessors, (7812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:41,652 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 434.0) internal successors, (7812), 18 states have internal predecessors, (7812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:41,652 INFO L175 Difference]: Start difference. First operand has 124 places, 59 transitions, 532 flow. Second operand 17 states and 3013 transitions. [2023-11-06 22:04:41,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 72 transitions, 729 flow [2023-11-06 22:04:41,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 72 transitions, 640 flow, removed 3 selfloop flow, removed 19 redundant places. [2023-11-06 22:04:41,657 INFO L231 Difference]: Finished difference. Result has 106 places, 60 transitions, 529 flow [2023-11-06 22:04:41,658 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=443, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=529, PETRI_PLACES=106, PETRI_TRANSITIONS=60} [2023-11-06 22:04:41,658 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 73 predicate places. [2023-11-06 22:04:41,658 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 60 transitions, 529 flow [2023-11-06 22:04:41,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 175.15384615384616) internal successors, (2277), 13 states have internal predecessors, (2277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:41,659 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:04:41,659 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:41,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-11-06 22:04:41,660 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:04:41,660 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:41,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1942945528, now seen corresponding path program 6 times [2023-11-06 22:04:41,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:41,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674426507] [2023-11-06 22:04:41,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:41,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:42,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:04:42,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:42,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674426507] [2023-11-06 22:04:42,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674426507] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:42,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:42,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:04:42,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522893033] [2023-11-06 22:04:42,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:42,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:04:42,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:42,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:04:42,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:04:43,757 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 434 [2023-11-06 22:04:43,759 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 60 transitions, 529 flow. Second operand has 13 states, 13 states have (on average 175.15384615384616) internal successors, (2277), 13 states have internal predecessors, (2277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:43,759 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:04:43,760 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 434 [2023-11-06 22:04:43,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:04:44,228 INFO L124 PetriNetUnfolderBase]: 46/161 cut-off events. [2023-11-06 22:04:44,229 INFO L125 PetriNetUnfolderBase]: For 693/693 co-relation queries the response was YES. [2023-11-06 22:04:44,229 INFO L83 FinitePrefix]: Finished finitePrefix Result has 765 conditions, 161 events. 46/161 cut-off events. For 693/693 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 677 event pairs, 30 based on Foata normal form. 2/163 useless extension candidates. Maximal degree in co-relation 736. Up to 127 conditions per place. [2023-11-06 22:04:44,230 INFO L140 encePairwiseOnDemand]: 423/434 looper letters, 61 selfloop transitions, 15 changer transitions 0/76 dead transitions. [2023-11-06 22:04:44,230 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 76 transitions, 783 flow [2023-11-06 22:04:44,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:04:44,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-06 22:04:44,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2128 transitions. [2023-11-06 22:04:44,234 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40860215053763443 [2023-11-06 22:04:44,234 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2128 transitions. [2023-11-06 22:04:44,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2128 transitions. [2023-11-06 22:04:44,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:04:44,234 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2128 transitions. [2023-11-06 22:04:44,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 177.33333333333334) internal successors, (2128), 12 states have internal predecessors, (2128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:44,238 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 434.0) internal successors, (5642), 13 states have internal predecessors, (5642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:44,239 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 434.0) internal successors, (5642), 13 states have internal predecessors, (5642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:44,239 INFO L175 Difference]: Start difference. First operand has 106 places, 60 transitions, 529 flow. Second operand 12 states and 2128 transitions. [2023-11-06 22:04:44,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 76 transitions, 783 flow [2023-11-06 22:04:44,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 76 transitions, 734 flow, removed 1 selfloop flow, removed 13 redundant places. [2023-11-06 22:04:44,243 INFO L231 Difference]: Finished difference. Result has 109 places, 67 transitions, 601 flow [2023-11-06 22:04:44,243 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=482, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=601, PETRI_PLACES=109, PETRI_TRANSITIONS=67} [2023-11-06 22:04:44,243 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 76 predicate places. [2023-11-06 22:04:44,244 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 67 transitions, 601 flow [2023-11-06 22:04:44,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 175.15384615384616) internal successors, (2277), 13 states have internal predecessors, (2277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:44,244 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:04:44,244 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:44,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-11-06 22:04:44,244 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:04:44,245 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:44,245 INFO L85 PathProgramCache]: Analyzing trace with hash -2093985940, now seen corresponding path program 10 times [2023-11-06 22:04:44,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:44,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654034205] [2023-11-06 22:04:44,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:44,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:45,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:04:45,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:45,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654034205] [2023-11-06 22:04:45,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654034205] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:45,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:45,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:04:45,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282386929] [2023-11-06 22:04:45,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:45,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:04:45,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:45,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:04:45,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:04:46,236 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 434 [2023-11-06 22:04:46,238 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 67 transitions, 601 flow. Second operand has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:46,238 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:04:46,238 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 434 [2023-11-06 22:04:46,238 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:04:46,704 INFO L124 PetriNetUnfolderBase]: 45/158 cut-off events. [2023-11-06 22:04:46,704 INFO L125 PetriNetUnfolderBase]: For 746/746 co-relation queries the response was YES. [2023-11-06 22:04:46,705 INFO L83 FinitePrefix]: Finished finitePrefix Result has 771 conditions, 158 events. 45/158 cut-off events. For 746/746 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 665 event pairs, 29 based on Foata normal form. 2/160 useless extension candidates. Maximal degree in co-relation 737. Up to 129 conditions per place. [2023-11-06 22:04:46,706 INFO L140 encePairwiseOnDemand]: 423/434 looper letters, 52 selfloop transitions, 7 changer transitions 15/74 dead transitions. [2023-11-06 22:04:46,706 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 74 transitions, 774 flow [2023-11-06 22:04:46,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:04:46,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-06 22:04:46,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1929 transitions. [2023-11-06 22:04:46,711 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40406367825722667 [2023-11-06 22:04:46,711 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1929 transitions. [2023-11-06 22:04:46,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1929 transitions. [2023-11-06 22:04:46,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:04:46,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1929 transitions. [2023-11-06 22:04:46,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 175.36363636363637) internal successors, (1929), 11 states have internal predecessors, (1929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:46,716 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 434.0) internal successors, (5208), 12 states have internal predecessors, (5208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:46,717 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 434.0) internal successors, (5208), 12 states have internal predecessors, (5208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:46,717 INFO L175 Difference]: Start difference. First operand has 109 places, 67 transitions, 601 flow. Second operand 11 states and 1929 transitions. [2023-11-06 22:04:46,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 74 transitions, 774 flow [2023-11-06 22:04:46,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 74 transitions, 757 flow, removed 4 selfloop flow, removed 3 redundant places. [2023-11-06 22:04:46,721 INFO L231 Difference]: Finished difference. Result has 117 places, 59 transitions, 510 flow [2023-11-06 22:04:46,721 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=584, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=510, PETRI_PLACES=117, PETRI_TRANSITIONS=59} [2023-11-06 22:04:46,721 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 84 predicate places. [2023-11-06 22:04:46,721 INFO L495 AbstractCegarLoop]: Abstraction has has 117 places, 59 transitions, 510 flow [2023-11-06 22:04:46,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:46,722 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:04:46,722 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:46,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-11-06 22:04:46,722 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:04:46,722 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:46,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1079477742, now seen corresponding path program 11 times [2023-11-06 22:04:46,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:46,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572731722] [2023-11-06 22:04:46,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:46,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:46,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:47,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:04:47,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:47,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572731722] [2023-11-06 22:04:47,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572731722] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:47,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:47,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:04:47,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053120236] [2023-11-06 22:04:47,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:47,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:04:47,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:47,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:04:47,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:04:48,800 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 434 [2023-11-06 22:04:48,801 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 59 transitions, 510 flow. Second operand has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:48,801 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:04:48,801 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 434 [2023-11-06 22:04:48,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:04:49,327 INFO L124 PetriNetUnfolderBase]: 38/132 cut-off events. [2023-11-06 22:04:49,327 INFO L125 PetriNetUnfolderBase]: For 624/624 co-relation queries the response was YES. [2023-11-06 22:04:49,327 INFO L83 FinitePrefix]: Finished finitePrefix Result has 650 conditions, 132 events. 38/132 cut-off events. For 624/624 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 495 event pairs, 14 based on Foata normal form. 2/134 useless extension candidates. Maximal degree in co-relation 614. Up to 68 conditions per place. [2023-11-06 22:04:49,328 INFO L140 encePairwiseOnDemand]: 422/434 looper letters, 36 selfloop transitions, 25 changer transitions 11/72 dead transitions. [2023-11-06 22:04:49,328 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 72 transitions, 693 flow [2023-11-06 22:04:49,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:04:49,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-06 22:04:49,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2634 transitions. [2023-11-06 22:04:49,332 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4046082949308756 [2023-11-06 22:04:49,332 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2634 transitions. [2023-11-06 22:04:49,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2634 transitions. [2023-11-06 22:04:49,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:04:49,333 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2634 transitions. [2023-11-06 22:04:49,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 175.6) internal successors, (2634), 15 states have internal predecessors, (2634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:49,341 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 434.0) internal successors, (6944), 16 states have internal predecessors, (6944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:49,342 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 434.0) internal successors, (6944), 16 states have internal predecessors, (6944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:49,342 INFO L175 Difference]: Start difference. First operand has 117 places, 59 transitions, 510 flow. Second operand 15 states and 2634 transitions. [2023-11-06 22:04:49,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 72 transitions, 693 flow [2023-11-06 22:04:49,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 72 transitions, 659 flow, removed 8 selfloop flow, removed 12 redundant places. [2023-11-06 22:04:49,347 INFO L231 Difference]: Finished difference. Result has 109 places, 52 transitions, 467 flow [2023-11-06 22:04:49,347 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=467, PETRI_PLACES=109, PETRI_TRANSITIONS=52} [2023-11-06 22:04:49,347 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 76 predicate places. [2023-11-06 22:04:49,348 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 52 transitions, 467 flow [2023-11-06 22:04:49,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:49,348 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:04:49,349 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:49,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-11-06 22:04:49,349 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:04:49,349 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:49,349 INFO L85 PathProgramCache]: Analyzing trace with hash 314012412, now seen corresponding path program 12 times [2023-11-06 22:04:49,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:49,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704452164] [2023-11-06 22:04:49,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:49,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:50,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:04:50,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:50,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704452164] [2023-11-06 22:04:50,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704452164] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:50,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:50,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:04:50,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768417678] [2023-11-06 22:04:50,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:50,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:04:50,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:50,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:04:50,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:04:51,488 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 434 [2023-11-06 22:04:51,490 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 52 transitions, 467 flow. Second operand has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:51,490 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:04:51,490 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 434 [2023-11-06 22:04:51,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:04:51,993 INFO L124 PetriNetUnfolderBase]: 30/109 cut-off events. [2023-11-06 22:04:51,993 INFO L125 PetriNetUnfolderBase]: For 495/495 co-relation queries the response was YES. [2023-11-06 22:04:51,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 553 conditions, 109 events. 30/109 cut-off events. For 495/495 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 365 event pairs, 12 based on Foata normal form. 2/111 useless extension candidates. Maximal degree in co-relation 522. Up to 68 conditions per place. [2023-11-06 22:04:51,994 INFO L140 encePairwiseOnDemand]: 423/434 looper letters, 35 selfloop transitions, 23 changer transitions 0/58 dead transitions. [2023-11-06 22:04:51,994 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 58 transitions, 596 flow [2023-11-06 22:04:51,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:04:51,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-06 22:04:51,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2277 transitions. [2023-11-06 22:04:51,998 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40358029067706486 [2023-11-06 22:04:51,998 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2277 transitions. [2023-11-06 22:04:51,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2277 transitions. [2023-11-06 22:04:51,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:04:51,999 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2277 transitions. [2023-11-06 22:04:52,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 175.15384615384616) internal successors, (2277), 13 states have internal predecessors, (2277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:52,008 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 434.0) internal successors, (6076), 14 states have internal predecessors, (6076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:52,009 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 434.0) internal successors, (6076), 14 states have internal predecessors, (6076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:52,009 INFO L175 Difference]: Start difference. First operand has 109 places, 52 transitions, 467 flow. Second operand 13 states and 2277 transitions. [2023-11-06 22:04:52,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 58 transitions, 596 flow [2023-11-06 22:04:52,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 58 transitions, 481 flow, removed 3 selfloop flow, removed 21 redundant places. [2023-11-06 22:04:52,014 INFO L231 Difference]: Finished difference. Result has 98 places, 52 transitions, 401 flow [2023-11-06 22:04:52,014 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=401, PETRI_PLACES=98, PETRI_TRANSITIONS=52} [2023-11-06 22:04:52,015 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 65 predicate places. [2023-11-06 22:04:52,015 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 52 transitions, 401 flow [2023-11-06 22:04:52,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:52,016 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:04:52,016 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:52,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-11-06 22:04:52,016 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:04:52,016 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:52,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1551414520, now seen corresponding path program 7 times [2023-11-06 22:04:52,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:52,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822596008] [2023-11-06 22:04:52,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:52,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:52,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:04:52,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:52,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822596008] [2023-11-06 22:04:52,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822596008] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:52,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:52,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:04:52,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779874949] [2023-11-06 22:04:52,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:52,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:04:52,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:52,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:04:52,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:04:54,313 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 434 [2023-11-06 22:04:54,314 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 52 transitions, 401 flow. Second operand has 13 states, 13 states have (on average 175.15384615384616) internal successors, (2277), 13 states have internal predecessors, (2277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:54,314 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:04:54,314 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 434 [2023-11-06 22:04:54,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:04:55,072 INFO L124 PetriNetUnfolderBase]: 29/106 cut-off events. [2023-11-06 22:04:55,072 INFO L125 PetriNetUnfolderBase]: For 257/257 co-relation queries the response was YES. [2023-11-06 22:04:55,073 INFO L83 FinitePrefix]: Finished finitePrefix Result has 479 conditions, 106 events. 29/106 cut-off events. For 257/257 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 350 event pairs, 9 based on Foata normal form. 2/108 useless extension candidates. Maximal degree in co-relation 454. Up to 40 conditions per place. [2023-11-06 22:04:55,073 INFO L140 encePairwiseOnDemand]: 423/434 looper letters, 26 selfloop transitions, 19 changer transitions 14/59 dead transitions. [2023-11-06 22:04:55,073 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 59 transitions, 534 flow [2023-11-06 22:04:55,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 22:04:55,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-11-06 22:04:55,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 3007 transitions. [2023-11-06 22:04:55,077 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40756302521008403 [2023-11-06 22:04:55,078 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 3007 transitions. [2023-11-06 22:04:55,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 3007 transitions. [2023-11-06 22:04:55,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:04:55,079 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 3007 transitions. [2023-11-06 22:04:55,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 176.88235294117646) internal successors, (3007), 17 states have internal predecessors, (3007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:55,089 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 434.0) internal successors, (7812), 18 states have internal predecessors, (7812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:55,090 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 434.0) internal successors, (7812), 18 states have internal predecessors, (7812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:55,091 INFO L175 Difference]: Start difference. First operand has 98 places, 52 transitions, 401 flow. Second operand 17 states and 3007 transitions. [2023-11-06 22:04:55,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 59 transitions, 534 flow [2023-11-06 22:04:55,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 59 transitions, 486 flow, removed 1 selfloop flow, removed 11 redundant places. [2023-11-06 22:04:55,095 INFO L231 Difference]: Finished difference. Result has 102 places, 37 transitions, 321 flow [2023-11-06 22:04:55,095 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=345, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=321, PETRI_PLACES=102, PETRI_TRANSITIONS=37} [2023-11-06 22:04:55,095 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 69 predicate places. [2023-11-06 22:04:55,096 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 37 transitions, 321 flow [2023-11-06 22:04:55,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 175.15384615384616) internal successors, (2277), 13 states have internal predecessors, (2277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:55,096 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:04:55,096 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:55,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-11-06 22:04:55,097 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:04:55,097 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:55,097 INFO L85 PathProgramCache]: Analyzing trace with hash -787228490, now seen corresponding path program 8 times [2023-11-06 22:04:55,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:55,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339114393] [2023-11-06 22:04:55,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:55,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:56,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:04:56,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:56,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339114393] [2023-11-06 22:04:56,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339114393] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:56,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:56,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:04:56,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289952360] [2023-11-06 22:04:56,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:56,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:04:56,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:56,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:04:56,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:04:57,756 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 434 [2023-11-06 22:04:57,757 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 37 transitions, 321 flow. Second operand has 13 states, 13 states have (on average 175.15384615384616) internal successors, (2277), 13 states have internal predecessors, (2277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:57,757 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:04:57,757 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 434 [2023-11-06 22:04:57,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:04:58,243 INFO L124 PetriNetUnfolderBase]: 22/78 cut-off events. [2023-11-06 22:04:58,243 INFO L125 PetriNetUnfolderBase]: For 270/270 co-relation queries the response was YES. [2023-11-06 22:04:58,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 370 conditions, 78 events. 22/78 cut-off events. For 270/270 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 216 event pairs, 13 based on Foata normal form. 2/80 useless extension candidates. Maximal degree in co-relation 346. Up to 41 conditions per place. [2023-11-06 22:04:58,244 INFO L140 encePairwiseOnDemand]: 424/434 looper letters, 24 selfloop transitions, 18 changer transitions 0/42 dead transitions. [2023-11-06 22:04:58,244 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 42 transitions, 407 flow [2023-11-06 22:04:58,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:04:58,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-06 22:04:58,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2470 transitions. [2023-11-06 22:04:58,247 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4065174456879526 [2023-11-06 22:04:58,247 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2470 transitions. [2023-11-06 22:04:58,247 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2470 transitions. [2023-11-06 22:04:58,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:04:58,248 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2470 transitions. [2023-11-06 22:04:58,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 176.42857142857142) internal successors, (2470), 14 states have internal predecessors, (2470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:58,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 434.0) internal successors, (6510), 15 states have internal predecessors, (6510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:58,255 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 434.0) internal successors, (6510), 15 states have internal predecessors, (6510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:58,255 INFO L175 Difference]: Start difference. First operand has 102 places, 37 transitions, 321 flow. Second operand 14 states and 2470 transitions. [2023-11-06 22:04:58,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 42 transitions, 407 flow [2023-11-06 22:04:58,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 42 transitions, 348 flow, removed 2 selfloop flow, removed 19 redundant places. [2023-11-06 22:04:58,257 INFO L231 Difference]: Finished difference. Result has 70 places, 37 transitions, 288 flow [2023-11-06 22:04:58,257 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=288, PETRI_PLACES=70, PETRI_TRANSITIONS=37} [2023-11-06 22:04:58,258 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 37 predicate places. [2023-11-06 22:04:58,258 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 37 transitions, 288 flow [2023-11-06 22:04:58,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 175.15384615384616) internal successors, (2277), 13 states have internal predecessors, (2277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:04:58,258 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:04:58,259 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:04:58,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-11-06 22:04:58,259 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:04:58,259 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:04:58,259 INFO L85 PathProgramCache]: Analyzing trace with hash 2025054364, now seen corresponding path program 13 times [2023-11-06 22:04:58,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:04:58,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267205066] [2023-11-06 22:04:58,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:04:58,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:04:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:04:59,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:04:59,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:04:59,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267205066] [2023-11-06 22:04:59,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267205066] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:04:59,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:04:59,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:04:59,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877145807] [2023-11-06 22:04:59,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:04:59,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:04:59,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:04:59,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:04:59,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:05:00,461 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 434 [2023-11-06 22:05:00,463 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 37 transitions, 288 flow. Second operand has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:00,463 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:05:00,463 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 434 [2023-11-06 22:05:00,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:05:00,845 INFO L124 PetriNetUnfolderBase]: 27/97 cut-off events. [2023-11-06 22:05:00,845 INFO L125 PetriNetUnfolderBase]: For 213/213 co-relation queries the response was YES. [2023-11-06 22:05:00,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 428 conditions, 97 events. 27/97 cut-off events. For 213/213 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 328 event pairs, 17 based on Foata normal form. 2/99 useless extension candidates. Maximal degree in co-relation 409. Up to 65 conditions per place. [2023-11-06 22:05:00,847 INFO L140 encePairwiseOnDemand]: 424/434 looper letters, 25 selfloop transitions, 7 changer transitions 16/48 dead transitions. [2023-11-06 22:05:00,847 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 48 transitions, 456 flow [2023-11-06 22:05:00,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:05:00,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-06 22:05:00,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1923 transitions. [2023-11-06 22:05:00,850 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40280687054880604 [2023-11-06 22:05:00,850 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1923 transitions. [2023-11-06 22:05:00,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1923 transitions. [2023-11-06 22:05:00,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:05:00,850 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1923 transitions. [2023-11-06 22:05:00,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 174.8181818181818) internal successors, (1923), 11 states have internal predecessors, (1923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:00,856 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 434.0) internal successors, (5208), 12 states have internal predecessors, (5208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:00,857 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 434.0) internal successors, (5208), 12 states have internal predecessors, (5208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:00,857 INFO L175 Difference]: Start difference. First operand has 70 places, 37 transitions, 288 flow. Second operand 11 states and 1923 transitions. [2023-11-06 22:05:00,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 48 transitions, 456 flow [2023-11-06 22:05:00,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 48 transitions, 386 flow, removed 8 selfloop flow, removed 12 redundant places. [2023-11-06 22:05:00,859 INFO L231 Difference]: Finished difference. Result has 71 places, 32 transitions, 215 flow [2023-11-06 22:05:00,859 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=215, PETRI_PLACES=71, PETRI_TRANSITIONS=32} [2023-11-06 22:05:00,860 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 38 predicate places. [2023-11-06 22:05:00,860 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 32 transitions, 215 flow [2023-11-06 22:05:00,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:00,860 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:05:00,860 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:00,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-11-06 22:05:00,861 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:05:00,861 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:00,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1174548784, now seen corresponding path program 14 times [2023-11-06 22:05:00,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:00,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625323403] [2023-11-06 22:05:00,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:00,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:01,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:05:01,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:01,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625323403] [2023-11-06 22:05:01,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625323403] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:01,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:05:01,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:05:01,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234290275] [2023-11-06 22:05:01,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:01,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:05:01,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:01,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:05:01,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:05:03,102 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 434 [2023-11-06 22:05:03,103 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 32 transitions, 215 flow. Second operand has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:03,103 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:05:03,103 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 434 [2023-11-06 22:05:03,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:05:03,667 INFO L124 PetriNetUnfolderBase]: 19/69 cut-off events. [2023-11-06 22:05:03,667 INFO L125 PetriNetUnfolderBase]: For 108/108 co-relation queries the response was YES. [2023-11-06 22:05:03,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 288 conditions, 69 events. 19/69 cut-off events. For 108/108 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 188 event pairs, 4 based on Foata normal form. 2/71 useless extension candidates. Maximal degree in co-relation 267. Up to 14 conditions per place. [2023-11-06 22:05:03,668 INFO L140 encePairwiseOnDemand]: 423/434 looper letters, 14 selfloop transitions, 16 changer transitions 11/41 dead transitions. [2023-11-06 22:05:03,668 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 41 transitions, 315 flow [2023-11-06 22:05:03,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:05:03,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-06 22:05:03,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2619 transitions. [2023-11-06 22:05:03,671 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4023041474654378 [2023-11-06 22:05:03,671 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2619 transitions. [2023-11-06 22:05:03,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2619 transitions. [2023-11-06 22:05:03,672 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:05:03,672 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2619 transitions. [2023-11-06 22:05:03,675 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 174.6) internal successors, (2619), 15 states have internal predecessors, (2619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:03,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 434.0) internal successors, (6944), 16 states have internal predecessors, (6944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:03,682 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 434.0) internal successors, (6944), 16 states have internal predecessors, (6944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:03,682 INFO L175 Difference]: Start difference. First operand has 71 places, 32 transitions, 215 flow. Second operand 15 states and 2619 transitions. [2023-11-06 22:05:03,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 41 transitions, 315 flow [2023-11-06 22:05:03,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 41 transitions, 281 flow, removed 6 selfloop flow, removed 13 redundant places. [2023-11-06 22:05:03,684 INFO L231 Difference]: Finished difference. Result has 65 places, 24 transitions, 148 flow [2023-11-06 22:05:03,685 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=175, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=148, PETRI_PLACES=65, PETRI_TRANSITIONS=24} [2023-11-06 22:05:03,685 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 32 predicate places. [2023-11-06 22:05:03,685 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 24 transitions, 148 flow [2023-11-06 22:05:03,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:03,686 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:05:03,686 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:03,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-11-06 22:05:03,687 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:05:03,687 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:03,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1940014114, now seen corresponding path program 15 times [2023-11-06 22:05:03,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:03,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662952038] [2023-11-06 22:05:03,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:03,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:04,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:05:04,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:04,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662952038] [2023-11-06 22:05:04,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662952038] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:04,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:05:04,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:05:04,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865479233] [2023-11-06 22:05:04,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:04,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:05:04,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:04,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:05:04,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:05:05,869 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 434 [2023-11-06 22:05:05,870 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 24 transitions, 148 flow. Second operand has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:05,871 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:05:05,871 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 434 [2023-11-06 22:05:05,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:05:06,291 INFO L124 PetriNetUnfolderBase]: 11/46 cut-off events. [2023-11-06 22:05:06,291 INFO L125 PetriNetUnfolderBase]: For 49/49 co-relation queries the response was YES. [2023-11-06 22:05:06,291 INFO L83 FinitePrefix]: Finished finitePrefix Result has 190 conditions, 46 events. 11/46 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 85 event pairs, 1 based on Foata normal form. 2/48 useless extension candidates. Maximal degree in co-relation 175. Up to 14 conditions per place. [2023-11-06 22:05:06,292 INFO L140 encePairwiseOnDemand]: 423/434 looper letters, 9 selfloop transitions, 11 changer transitions 8/28 dead transitions. [2023-11-06 22:05:06,292 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 28 transitions, 213 flow [2023-11-06 22:05:06,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:05:06,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-06 22:05:06,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2091 transitions. [2023-11-06 22:05:06,296 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4014976958525346 [2023-11-06 22:05:06,296 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2091 transitions. [2023-11-06 22:05:06,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2091 transitions. [2023-11-06 22:05:06,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:05:06,297 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2091 transitions. [2023-11-06 22:05:06,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 174.25) internal successors, (2091), 12 states have internal predecessors, (2091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:06,301 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 434.0) internal successors, (5642), 13 states have internal predecessors, (5642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:06,302 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 434.0) internal successors, (5642), 13 states have internal predecessors, (5642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:06,302 INFO L175 Difference]: Start difference. First operand has 65 places, 24 transitions, 148 flow. Second operand 12 states and 2091 transitions. [2023-11-06 22:05:06,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 28 transitions, 213 flow [2023-11-06 22:05:06,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 28 transitions, 159 flow, removed 3 selfloop flow, removed 18 redundant places. [2023-11-06 22:05:06,303 INFO L231 Difference]: Finished difference. Result has 52 places, 18 transitions, 86 flow [2023-11-06 22:05:06,303 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=91, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=86, PETRI_PLACES=52, PETRI_TRANSITIONS=18} [2023-11-06 22:05:06,304 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 19 predicate places. [2023-11-06 22:05:06,304 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 18 transitions, 86 flow [2023-11-06 22:05:06,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:06,305 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:05:06,305 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:06,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-11-06 22:05:06,305 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:05:06,306 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:06,306 INFO L85 PathProgramCache]: Analyzing trace with hash -938268902, now seen corresponding path program 16 times [2023-11-06 22:05:06,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:06,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925143545] [2023-11-06 22:05:06,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:06,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:07,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:05:07,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:07,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925143545] [2023-11-06 22:05:07,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925143545] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:07,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:05:07,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:05:07,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253853152] [2023-11-06 22:05:07,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:07,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:05:07,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:07,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:05:07,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:05:08,541 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 434 [2023-11-06 22:05:08,542 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 18 transitions, 86 flow. Second operand has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:08,543 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:05:08,543 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 434 [2023-11-06 22:05:08,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:05:08,898 INFO L124 PetriNetUnfolderBase]: 6/27 cut-off events. [2023-11-06 22:05:08,898 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2023-11-06 22:05:08,898 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 27 events. 6/27 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 25 event pairs, 2 based on Foata normal form. 2/29 useless extension candidates. Maximal degree in co-relation 93. Up to 14 conditions per place. [2023-11-06 22:05:08,899 INFO L140 encePairwiseOnDemand]: 424/434 looper letters, 0 selfloop transitions, 0 changer transitions 19/19 dead transitions. [2023-11-06 22:05:08,899 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 19 transitions, 123 flow [2023-11-06 22:05:08,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:05:08,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-06 22:05:08,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1911 transitions. [2023-11-06 22:05:08,901 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4002932551319648 [2023-11-06 22:05:08,902 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1911 transitions. [2023-11-06 22:05:08,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1911 transitions. [2023-11-06 22:05:08,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:05:08,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1911 transitions. [2023-11-06 22:05:08,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 173.72727272727272) internal successors, (1911), 11 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:08,907 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 434.0) internal successors, (5208), 12 states have internal predecessors, (5208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:08,908 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 434.0) internal successors, (5208), 12 states have internal predecessors, (5208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:08,908 INFO L175 Difference]: Start difference. First operand has 52 places, 18 transitions, 86 flow. Second operand 11 states and 1911 transitions. [2023-11-06 22:05:08,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 19 transitions, 123 flow [2023-11-06 22:05:08,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 19 transitions, 94 flow, removed 0 selfloop flow, removed 13 redundant places. [2023-11-06 22:05:08,909 INFO L231 Difference]: Finished difference. Result has 39 places, 0 transitions, 0 flow [2023-11-06 22:05:08,909 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=434, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=0, PETRI_PLACES=39, PETRI_TRANSITIONS=0} [2023-11-06 22:05:08,910 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 6 predicate places. [2023-11-06 22:05:08,910 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 0 transitions, 0 flow [2023-11-06 22:05:08,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 173.15384615384616) internal successors, (2251), 13 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:05:08,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2023-11-06 22:05:08,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2023-11-06 22:05:08,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-06 22:05:08,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-06 22:05:08,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-06 22:05:08,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-06 22:05:08,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-06 22:05:08,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-06 22:05:08,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-11-06 22:05:08,915 INFO L445 BasicCegarLoop]: Path program histogram: [16, 8, 5, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:08,920 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 22:05:08,921 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:05:08,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:05:08 BasicIcfg [2023-11-06 22:05:08,925 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:05:08,925 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:05:08,925 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:05:08,926 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:05:08,926 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:03:06" (3/4) ... [2023-11-06 22:05:08,928 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:05:08,932 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2023-11-06 22:05:08,940 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-06 22:05:08,941 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-06 22:05:08,941 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:05:08,942 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:05:09,019 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0f5620-0224-4a0d-bb7c-69dbf437bd91/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:05:09,019 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0f5620-0224-4a0d-bb7c-69dbf437bd91/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:05:09,019 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:05:09,020 INFO L158 Benchmark]: Toolchain (without parser) took 125082.36ms. Allocated memory was 146.8MB in the beginning and 673.2MB in the end (delta: 526.4MB). Free memory was 107.0MB in the beginning and 432.9MB in the end (delta: -325.9MB). Peak memory consumption was 202.2MB. Max. memory is 16.1GB. [2023-11-06 22:05:09,020 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:05:09,021 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1286.28ms. Allocated memory is still 146.8MB. Free memory was 106.8MB in the beginning and 91.5MB in the end (delta: 15.3MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2023-11-06 22:05:09,021 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.25ms. Allocated memory is still 146.8MB. Free memory was 90.9MB in the beginning and 87.7MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:05:09,021 INFO L158 Benchmark]: Boogie Preprocessor took 66.74ms. Allocated memory is still 146.8MB. Free memory was 87.7MB in the beginning and 84.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:05:09,022 INFO L158 Benchmark]: RCFGBuilder took 756.17ms. Allocated memory is still 146.8MB. Free memory was 84.7MB in the beginning and 110.0MB in the end (delta: -25.3MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2023-11-06 22:05:09,022 INFO L158 Benchmark]: TraceAbstraction took 122770.78ms. Allocated memory was 146.8MB in the beginning and 673.2MB in the end (delta: 526.4MB). Free memory was 108.8MB in the beginning and 437.0MB in the end (delta: -328.3MB). Peak memory consumption was 197.8MB. Max. memory is 16.1GB. [2023-11-06 22:05:09,022 INFO L158 Benchmark]: Witness Printer took 94.24ms. Allocated memory is still 673.2MB. Free memory was 437.0MB in the beginning and 432.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:05:09,025 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1286.28ms. Allocated memory is still 146.8MB. Free memory was 106.8MB in the beginning and 91.5MB in the end (delta: 15.3MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.25ms. Allocated memory is still 146.8MB. Free memory was 90.9MB in the beginning and 87.7MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.74ms. Allocated memory is still 146.8MB. Free memory was 87.7MB in the beginning and 84.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 756.17ms. Allocated memory is still 146.8MB. Free memory was 84.7MB in the beginning and 110.0MB in the end (delta: -25.3MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * TraceAbstraction took 122770.78ms. Allocated memory was 146.8MB in the beginning and 673.2MB in the end (delta: 526.4MB). Free memory was 108.8MB in the beginning and 437.0MB in the end (delta: -328.3MB). Peak memory consumption was 197.8MB. Max. memory is 16.1GB. * Witness Printer took 94.24ms. Allocated memory is still 673.2MB. Free memory was 437.0MB in the beginning and 432.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.7s, 183 PlacesBefore, 33 PlacesAfterwards, 184 TransitionsBefore, 27 TransitionsAfterwards, 6300 CoEnabledTransitionPairs, 8 FixpointIterations, 73 TrivialSequentialCompositions, 94 ConcurrentSequentialCompositions, 16 TrivialYvCompositions, 15 ConcurrentYvCompositions, 7 ChoiceCompositions, 205 TotalNumberOfCompositions, 11799 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5994, independent: 5698, independent conditional: 0, independent unconditional: 5698, dependent: 296, dependent conditional: 0, dependent unconditional: 296, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3547, independent: 3493, independent conditional: 0, independent unconditional: 3493, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5994, independent: 2205, independent conditional: 0, independent unconditional: 2205, dependent: 242, dependent conditional: 0, dependent unconditional: 242, unknown: 3547, unknown conditional: 0, unknown unconditional: 3547] , Statistics on independence cache: Total cache size (in pairs): 94, Positive cache size: 73, Positive conditional cache size: 0, Positive unconditional cache size: 73, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, 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, 239 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: 122.6s, OverallIterations: 46, TraceHistogramMax: 1, PathProgramHistogramMax: 16, EmptinessCheckTime: 0.0s, AutomataDifference: 67.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16526 SdHoareTripleChecker+Valid, 52.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13652 mSDsluCounter, 19247 SdHoareTripleChecker+Invalid, 45.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18824 mSDsCounter, 1245 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66791 IncrementalHoareTripleChecker+Invalid, 68036 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1245 mSolverCounterUnsat, 423 mSDtfsCounter, 66791 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 858 GetRequests, 81 SyntacticMatches, 1 SemanticMatches, 776 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2169 ImplicationChecksByTransitivity, 15.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1737occurred in iteration=25, InterpolantAutomatonStates: 628, 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: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 39.8s InterpolantComputationTime, 588 NumberOfCodeBlocks, 588 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 542 ConstructedInterpolants, 0 QuantifiedInterpolants, 9785 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 46 InterpolantComputations, 46 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 22:05:09,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae0f5620-0224-4a0d-bb7c-69dbf437bd91/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE