./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 9bd2c7ff 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_cd988db0-9943-480c-91cf-3dbc71ceb250/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd988db0-9943-480c-91cf-3dbc71ceb250/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd988db0-9943-480c-91cf-3dbc71ceb250/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd988db0-9943-480c-91cf-3dbc71ceb250/bin/uautomizer-verify-uCwYo4JHxu/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_cd988db0-9943-480c-91cf-3dbc71ceb250/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd988db0-9943-480c-91cf-3dbc71ceb250/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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-9bd2c7f [2023-11-19 08:06:54,956 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:06:55,079 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd988db0-9943-480c-91cf-3dbc71ceb250/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-19 08:06:55,087 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:06:55,088 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:06:55,128 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:06:55,129 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:06:55,130 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:06:55,131 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:06:55,136 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:06:55,137 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:06:55,137 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:06:55,138 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:06:55,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:06:55,140 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:06:55,141 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:06:55,141 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:06:55,142 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:06:55,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:06:55,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:06:55,143 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:06:55,145 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:06:55,145 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 08:06:55,146 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:06:55,146 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:06:55,147 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:06:55,147 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:06:55,148 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:06:55,149 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:06:55,149 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:06:55,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:06:55,151 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:06:55,151 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:06:55,152 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:06:55,152 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:06:55,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:06:55,152 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:06:55,153 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:06:55,153 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:06:55,153 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:06:55,154 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:06:55,154 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_cd988db0-9943-480c-91cf-3dbc71ceb250/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd988db0-9943-480c-91cf-3dbc71ceb250/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fddded73cca9ade55587111b2e2c843e75dd81397929514bda88fadfc663c7db [2023-11-19 08:06:55,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:06:55,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:06:55,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:06:55,510 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:06:55,511 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:06:55,512 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd988db0-9943-480c-91cf-3dbc71ceb250/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2023-11-19 08:06:58,923 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:06:59,531 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:06:59,532 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd988db0-9943-480c-91cf-3dbc71ceb250/sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2023-11-19 08:06:59,573 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd988db0-9943-480c-91cf-3dbc71ceb250/bin/uautomizer-verify-uCwYo4JHxu/data/fdbbf7912/b1c39a02b2ec42fa8fe89b925ea7b9ef/FLAG7559145b4 [2023-11-19 08:06:59,590 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd988db0-9943-480c-91cf-3dbc71ceb250/bin/uautomizer-verify-uCwYo4JHxu/data/fdbbf7912/b1c39a02b2ec42fa8fe89b925ea7b9ef [2023-11-19 08:06:59,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:06:59,595 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:06:59,597 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:06:59,597 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:06:59,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:06:59,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:59" (1/1) ... [2023-11-19 08:06:59,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39b83005 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:59, skipping insertion in model container [2023-11-19 08:06:59,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:59" (1/1) ... [2023-11-19 08:06:59,691 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:07:00,816 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:07:00,832 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:07:00,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:07:01,160 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:07:01,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01 WrapperNode [2023-11-19 08:07:01,161 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:07:01,162 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:07:01,162 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:07:01,163 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:07:01,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ... [2023-11-19 08:07:01,228 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ... [2023-11-19 08:07:01,276 INFO L138 Inliner]: procedures = 482, calls = 47, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 152 [2023-11-19 08:07:01,277 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:07:01,278 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:07:01,278 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:07:01,278 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:07:01,290 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ... [2023-11-19 08:07:01,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ... [2023-11-19 08:07:01,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ... [2023-11-19 08:07:01,298 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ... [2023-11-19 08:07:01,328 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ... [2023-11-19 08:07:01,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ... [2023-11-19 08:07:01,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ... [2023-11-19 08:07:01,344 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ... [2023-11-19 08:07:01,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:07:01,356 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:07:01,356 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:07:01,356 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:07:01,357 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ... [2023-11-19 08:07:01,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:07:01,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd988db0-9943-480c-91cf-3dbc71ceb250/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:07:01,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd988db0-9943-480c-91cf-3dbc71ceb250/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:07:01,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd988db0-9943-480c-91cf-3dbc71ceb250/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:07:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:07:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:07:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 08:07:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:07:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 08:07:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:07:01,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:07:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-19 08:07:01,463 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-19 08:07:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:07:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:07:01,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:07:01,465 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 08:07:01,779 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:07:01,782 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:07:02,193 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:07:02,208 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:07:02,208 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 08:07:02,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:07:02 BoogieIcfgContainer [2023-11-19 08:07:02,214 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:07:02,217 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:07:02,218 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:07:02,221 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:07:02,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:06:59" (1/3) ... [2023-11-19 08:07:02,223 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@119074aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:07:02, skipping insertion in model container [2023-11-19 08:07:02,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (2/3) ... [2023-11-19 08:07:02,224 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@119074aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:07:02, skipping insertion in model container [2023-11-19 08:07:02,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:07:02" (3/3) ... [2023-11-19 08:07:02,225 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2023-11-19 08:07:02,236 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 08:07:02,249 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:07:02,249 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-19 08:07:02,250 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 08:07:02,362 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-19 08:07:02,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 221 places, 229 transitions, 472 flow [2023-11-19 08:07:02,577 INFO L124 PetriNetUnfolderBase]: 18/283 cut-off events. [2023-11-19 08:07:02,577 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 08:07:02,588 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. [2023-11-19 08:07:02,588 INFO L82 GeneralOperation]: Start removeDead. Operand has 221 places, 229 transitions, 472 flow [2023-11-19 08:07:02,597 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 183 places, 184 transitions, 377 flow [2023-11-19 08:07:02,602 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 08:07:02,616 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 183 places, 184 transitions, 377 flow [2023-11-19 08:07:02,620 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 183 places, 184 transitions, 377 flow [2023-11-19 08:07:02,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 183 places, 184 transitions, 377 flow [2023-11-19 08:07:02,706 INFO L124 PetriNetUnfolderBase]: 8/184 cut-off events. [2023-11-19 08:07:02,707 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-19 08:07:02,710 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. [2023-11-19 08:07:02,718 INFO L119 LiptonReduction]: Number of co-enabled transitions 6300 [2023-11-19 08:07:16,423 INFO L134 LiptonReduction]: Checked pairs total: 11799 [2023-11-19 08:07:16,424 INFO L136 LiptonReduction]: Total number of compositions: 205 [2023-11-19 08:07:16,442 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:07:16,450 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=LoopHeads, 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;@7bf03e3c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:07:16,451 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-19 08:07:16,457 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 08:07:16,457 INFO L124 PetriNetUnfolderBase]: 0/9 cut-off events. [2023-11-19 08:07:16,457 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 08:07:16,458 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:16,458 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 08:07:16,459 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-19 08:07:16,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:16,465 INFO L85 PathProgramCache]: Analyzing trace with hash 730464460, now seen corresponding path program 1 times [2023-11-19 08:07:16,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:16,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890657342] [2023-11-19 08:07:16,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:16,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:16,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:17,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:07:17,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:17,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890657342] [2023-11-19 08:07:17,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890657342] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:17,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:17,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:07:17,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921768603] [2023-11-19 08:07:17,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:17,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:07:17,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:17,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:07:17,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:07:18,081 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 434 [2023-11-19 08:07:18,092 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) [2023-11-19 08:07:18,093 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:18,094 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 434 [2023-11-19 08:07:18,095 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:18,350 INFO L124 PetriNetUnfolderBase]: 194/361 cut-off events. [2023-11-19 08:07:18,350 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2023-11-19 08:07:18,352 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. [2023-11-19 08:07:18,358 INFO L140 encePairwiseOnDemand]: 425/434 looper letters, 21 selfloop transitions, 8 changer transitions 0/29 dead transitions. [2023-11-19 08:07:18,358 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 29 transitions, 125 flow [2023-11-19 08:07:18,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:07:18,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 08:07:18,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1184 transitions. [2023-11-19 08:07:18,390 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45468509984639016 [2023-11-19 08:07:18,391 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1184 transitions. [2023-11-19 08:07:18,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1184 transitions. [2023-11-19 08:07:18,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:18,401 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1184 transitions. [2023-11-19 08:07:18,410 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) [2023-11-19 08:07:18,424 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) [2023-11-19 08:07:18,427 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) [2023-11-19 08:07:18,430 INFO L175 Difference]: Start difference. First operand has 33 places, 27 transitions, 63 flow. Second operand 6 states and 1184 transitions. [2023-11-19 08:07:18,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 29 transitions, 125 flow [2023-11-19 08:07:18,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 29 transitions, 120 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-19 08:07:18,438 INFO L231 Difference]: Finished difference. Result has 34 places, 28 transitions, 97 flow [2023-11-19 08:07:18,441 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} [2023-11-19 08:07:18,446 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 1 predicate places. [2023-11-19 08:07:18,446 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 28 transitions, 97 flow [2023-11-19 08:07:18,448 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) [2023-11-19 08:07:18,448 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:18,448 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 08:07:18,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:07:18,449 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-19 08:07:18,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:18,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1169172714, now seen corresponding path program 1 times [2023-11-19 08:07:18,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:18,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086980269] [2023-11-19 08:07:18,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:18,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:19,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:07:19,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:19,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086980269] [2023-11-19 08:07:19,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086980269] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:19,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:19,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:07:19,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432686433] [2023-11-19 08:07:19,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:19,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:07:19,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:19,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:07:19,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:07:19,484 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 434 [2023-11-19 08:07:19,486 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) [2023-11-19 08:07:19,487 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:19,487 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 434 [2023-11-19 08:07:19,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:19,814 INFO L124 PetriNetUnfolderBase]: 215/397 cut-off events. [2023-11-19 08:07:19,815 INFO L125 PetriNetUnfolderBase]: For 70/70 co-relation queries the response was YES. [2023-11-19 08:07:19,817 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. [2023-11-19 08:07:19,825 INFO L140 encePairwiseOnDemand]: 424/434 looper letters, 31 selfloop transitions, 21 changer transitions 0/52 dead transitions. [2023-11-19 08:07:19,826 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 52 transitions, 269 flow [2023-11-19 08:07:19,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 08:07:19,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-19 08:07:19,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1579 transitions. [2023-11-19 08:07:19,834 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4547811059907834 [2023-11-19 08:07:19,835 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1579 transitions. [2023-11-19 08:07:19,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1579 transitions. [2023-11-19 08:07:19,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:19,837 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1579 transitions. [2023-11-19 08:07:19,844 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) [2023-11-19 08:07:19,854 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) [2023-11-19 08:07:19,859 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) [2023-11-19 08:07:19,859 INFO L175 Difference]: Start difference. First operand has 34 places, 28 transitions, 97 flow. Second operand 8 states and 1579 transitions. [2023-11-19 08:07:19,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 52 transitions, 269 flow [2023-11-19 08:07:19,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 52 transitions, 267 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 08:07:19,864 INFO L231 Difference]: Finished difference. Result has 43 places, 42 transitions, 216 flow [2023-11-19 08:07:19,865 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} [2023-11-19 08:07:19,866 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 10 predicate places. [2023-11-19 08:07:19,866 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 42 transitions, 216 flow [2023-11-19 08:07:19,868 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) [2023-11-19 08:07:19,868 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:19,868 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 08:07:19,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:07:19,869 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-19 08:07:19,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:19,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1169749314, now seen corresponding path program 2 times [2023-11-19 08:07:19,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:19,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533691586] [2023-11-19 08:07:19,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:19,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:20,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:07:20,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:20,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533691586] [2023-11-19 08:07:20,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533691586] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:20,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:20,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:07:20,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310753616] [2023-11-19 08:07:20,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:20,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:07:20,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:20,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:07:20,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:07:20,762 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 434 [2023-11-19 08:07:20,764 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) [2023-11-19 08:07:20,764 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:20,764 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 434 [2023-11-19 08:07:20,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:21,031 INFO L124 PetriNetUnfolderBase]: 201/373 cut-off events. [2023-11-19 08:07:21,032 INFO L125 PetriNetUnfolderBase]: For 394/394 co-relation queries the response was YES. [2023-11-19 08:07:21,033 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. [2023-11-19 08:07:21,036 INFO L140 encePairwiseOnDemand]: 425/434 looper letters, 33 selfloop transitions, 24 changer transitions 0/57 dead transitions. [2023-11-19 08:07:21,036 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 57 transitions, 384 flow [2023-11-19 08:07:21,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 08:07:21,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-19 08:07:21,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1577 transitions. [2023-11-19 08:07:21,043 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.454205069124424 [2023-11-19 08:07:21,043 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1577 transitions. [2023-11-19 08:07:21,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1577 transitions. [2023-11-19 08:07:21,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:21,045 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1577 transitions. [2023-11-19 08:07:21,050 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) [2023-11-19 08:07:21,058 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) [2023-11-19 08:07:21,062 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) [2023-11-19 08:07:21,062 INFO L175 Difference]: Start difference. First operand has 43 places, 42 transitions, 216 flow. Second operand 8 states and 1577 transitions. [2023-11-19 08:07:21,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 57 transitions, 384 flow [2023-11-19 08:07:21,068 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 57 transitions, 362 flow, removed 10 selfloop flow, removed 1 redundant places. [2023-11-19 08:07:21,070 INFO L231 Difference]: Finished difference. Result has 50 places, 47 transitions, 284 flow [2023-11-19 08:07:21,070 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} [2023-11-19 08:07:21,072 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 17 predicate places. [2023-11-19 08:07:21,072 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 47 transitions, 284 flow [2023-11-19 08:07:21,074 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) [2023-11-19 08:07:21,075 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:21,075 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:21,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 08:07:21,081 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-19 08:07:21,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:21,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1879416695, now seen corresponding path program 1 times [2023-11-19 08:07:21,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:21,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289679205] [2023-11-19 08:07:21,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:21,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:21,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:07:21,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:21,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289679205] [2023-11-19 08:07:21,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289679205] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:21,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:21,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:07:21,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679965648] [2023-11-19 08:07:21,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:21,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:07:21,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:21,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:07:21,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:07:22,034 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 434 [2023-11-19 08:07:22,036 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) [2023-11-19 08:07:22,036 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:22,036 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 434 [2023-11-19 08:07:22,036 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:22,319 INFO L124 PetriNetUnfolderBase]: 189/353 cut-off events. [2023-11-19 08:07:22,319 INFO L125 PetriNetUnfolderBase]: For 412/412 co-relation queries the response was YES. [2023-11-19 08:07:22,320 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. [2023-11-19 08:07:22,324 INFO L140 encePairwiseOnDemand]: 425/434 looper letters, 38 selfloop transitions, 29 changer transitions 0/67 dead transitions. [2023-11-19 08:07:22,324 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 67 transitions, 544 flow [2023-11-19 08:07:22,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 08:07:22,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-19 08:07:22,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1575 transitions. [2023-11-19 08:07:22,331 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4536290322580645 [2023-11-19 08:07:22,331 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1575 transitions. [2023-11-19 08:07:22,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1575 transitions. [2023-11-19 08:07:22,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:22,333 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1575 transitions. [2023-11-19 08:07:22,337 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) [2023-11-19 08:07:22,345 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) [2023-11-19 08:07:22,347 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) [2023-11-19 08:07:22,347 INFO L175 Difference]: Start difference. First operand has 50 places, 47 transitions, 284 flow. Second operand 8 states and 1575 transitions. [2023-11-19 08:07:22,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 67 transitions, 544 flow [2023-11-19 08:07:22,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 67 transitions, 524 flow, removed 3 selfloop flow, removed 2 redundant places. [2023-11-19 08:07:22,355 INFO L231 Difference]: Finished difference. Result has 57 places, 61 transitions, 435 flow [2023-11-19 08:07:22,355 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} [2023-11-19 08:07:22,357 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 24 predicate places. [2023-11-19 08:07:22,357 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 61 transitions, 435 flow [2023-11-19 08:07:22,358 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) [2023-11-19 08:07:22,358 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:22,358 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:22,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 08:07:22,360 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-19 08:07:22,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:22,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1793596367, now seen corresponding path program 1 times [2023-11-19 08:07:22,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:22,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344558571] [2023-11-19 08:07:22,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:22,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:23,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:07:23,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:23,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344558571] [2023-11-19 08:07:23,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344558571] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:23,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:23,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 08:07:23,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824312392] [2023-11-19 08:07:23,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:23,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 08:07:23,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:23,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 08:07:23,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:07:23,097 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 434 [2023-11-19 08:07:23,099 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) [2023-11-19 08:07:23,099 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:23,100 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 434 [2023-11-19 08:07:23,100 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:23,393 INFO L124 PetriNetUnfolderBase]: 168/334 cut-off events. [2023-11-19 08:07:23,394 INFO L125 PetriNetUnfolderBase]: For 416/416 co-relation queries the response was YES. [2023-11-19 08:07:23,395 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. [2023-11-19 08:07:23,398 INFO L140 encePairwiseOnDemand]: 426/434 looper letters, 55 selfloop transitions, 20 changer transitions 4/96 dead transitions. [2023-11-19 08:07:23,398 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 96 transitions, 717 flow [2023-11-19 08:07:23,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 08:07:23,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-19 08:07:23,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1441 transitions. [2023-11-19 08:07:23,405 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47432521395655036 [2023-11-19 08:07:23,405 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1441 transitions. [2023-11-19 08:07:23,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1441 transitions. [2023-11-19 08:07:23,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:23,407 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1441 transitions. [2023-11-19 08:07:23,412 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) [2023-11-19 08:07:23,418 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) [2023-11-19 08:07:23,420 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) [2023-11-19 08:07:23,420 INFO L175 Difference]: Start difference. First operand has 57 places, 61 transitions, 435 flow. Second operand 7 states and 1441 transitions. [2023-11-19 08:07:23,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 96 transitions, 717 flow [2023-11-19 08:07:23,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 96 transitions, 713 flow, removed 2 selfloop flow, removed 0 redundant places. [2023-11-19 08:07:23,427 INFO L231 Difference]: Finished difference. Result has 67 places, 65 transitions, 514 flow [2023-11-19 08:07:23,427 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} [2023-11-19 08:07:23,428 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 34 predicate places. [2023-11-19 08:07:23,429 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 65 transitions, 514 flow [2023-11-19 08:07:23,430 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) [2023-11-19 08:07:23,430 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:23,430 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:23,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 08:07:23,431 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-19 08:07:23,431 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:23,431 INFO L85 PathProgramCache]: Analyzing trace with hash -2056028619, now seen corresponding path program 1 times [2023-11-19 08:07:23,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:23,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903552512] [2023-11-19 08:07:23,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:23,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:23,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:07:23,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:23,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903552512] [2023-11-19 08:07:23,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903552512] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:23,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:23,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:07:23,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686521004] [2023-11-19 08:07:23,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:23,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:07:23,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:23,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:07:23,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:07:24,070 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 434 [2023-11-19 08:07:24,072 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) [2023-11-19 08:07:24,072 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:24,073 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 434 [2023-11-19 08:07:24,073 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:24,381 INFO L124 PetriNetUnfolderBase]: 184/385 cut-off events. [2023-11-19 08:07:24,381 INFO L125 PetriNetUnfolderBase]: For 766/769 co-relation queries the response was YES. [2023-11-19 08:07:24,383 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. [2023-11-19 08:07:24,387 INFO L140 encePairwiseOnDemand]: 426/434 looper letters, 59 selfloop transitions, 26 changer transitions 8/110 dead transitions. [2023-11-19 08:07:24,387 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 110 transitions, 914 flow [2023-11-19 08:07:24,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 08:07:24,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-19 08:07:24,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1646 transitions. [2023-11-19 08:07:24,396 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4740783410138249 [2023-11-19 08:07:24,396 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1646 transitions. [2023-11-19 08:07:24,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1646 transitions. [2023-11-19 08:07:24,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:24,398 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1646 transitions. [2023-11-19 08:07:24,404 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) [2023-11-19 08:07:24,412 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) [2023-11-19 08:07:24,415 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) [2023-11-19 08:07:24,415 INFO L175 Difference]: Start difference. First operand has 67 places, 65 transitions, 514 flow. Second operand 8 states and 1646 transitions. [2023-11-19 08:07:24,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 110 transitions, 914 flow [2023-11-19 08:07:24,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 110 transitions, 906 flow, removed 3 selfloop flow, removed 1 redundant places. [2023-11-19 08:07:24,425 INFO L231 Difference]: Finished difference. Result has 75 places, 71 transitions, 627 flow [2023-11-19 08:07:24,425 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} [2023-11-19 08:07:24,426 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 42 predicate places. [2023-11-19 08:07:24,426 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 71 transitions, 627 flow [2023-11-19 08:07:24,428 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) [2023-11-19 08:07:24,428 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:24,428 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:24,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 08:07:24,429 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-19 08:07:24,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:24,429 INFO L85 PathProgramCache]: Analyzing trace with hash -2046197589, now seen corresponding path program 2 times [2023-11-19 08:07:24,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:24,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44647236] [2023-11-19 08:07:24,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:24,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:24,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:25,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:07:25,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:25,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44647236] [2023-11-19 08:07:25,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44647236] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:25,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:25,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 08:07:25,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038379205] [2023-11-19 08:07:25,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:25,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 08:07:25,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:25,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 08:07:25,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-19 08:07:25,860 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 434 [2023-11-19 08:07:25,863 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) [2023-11-19 08:07:25,863 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:25,863 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 434 [2023-11-19 08:07:25,863 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:26,521 INFO L124 PetriNetUnfolderBase]: 170/356 cut-off events. [2023-11-19 08:07:26,521 INFO L125 PetriNetUnfolderBase]: For 1168/1168 co-relation queries the response was YES. [2023-11-19 08:07:26,523 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. [2023-11-19 08:07:26,526 INFO L140 encePairwiseOnDemand]: 421/434 looper letters, 49 selfloop transitions, 43 changer transitions 2/94 dead transitions. [2023-11-19 08:07:26,527 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 94 transitions, 1000 flow [2023-11-19 08:07:26,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-19 08:07:26,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-11-19 08:07:26,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 3095 transitions. [2023-11-19 08:07:26,541 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4457085253456221 [2023-11-19 08:07:26,541 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 3095 transitions. [2023-11-19 08:07:26,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 3095 transitions. [2023-11-19 08:07:26,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:26,544 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 3095 transitions. [2023-11-19 08:07:26,555 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) [2023-11-19 08:07:26,573 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) [2023-11-19 08:07:26,577 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) [2023-11-19 08:07:26,577 INFO L175 Difference]: Start difference. First operand has 75 places, 71 transitions, 627 flow. Second operand 16 states and 3095 transitions. [2023-11-19 08:07:26,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 94 transitions, 1000 flow [2023-11-19 08:07:26,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 94 transitions, 958 flow, removed 6 selfloop flow, removed 4 redundant places. [2023-11-19 08:07:26,600 INFO L231 Difference]: Finished difference. Result has 90 places, 82 transitions, 826 flow [2023-11-19 08:07:26,600 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} [2023-11-19 08:07:26,601 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 57 predicate places. [2023-11-19 08:07:26,602 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 82 transitions, 826 flow [2023-11-19 08:07:26,604 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) [2023-11-19 08:07:26,605 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:26,606 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:26,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 08:07:26,606 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-19 08:07:26,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:26,607 INFO L85 PathProgramCache]: Analyzing trace with hash -2046197665, now seen corresponding path program 2 times [2023-11-19 08:07:26,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:26,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962908083] [2023-11-19 08:07:26,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:26,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:26,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:27,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:07:27,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:27,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962908083] [2023-11-19 08:07:27,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962908083] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:27,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:27,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 08:07:27,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529992515] [2023-11-19 08:07:27,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:27,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 08:07:27,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:27,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 08:07:27,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-19 08:07:28,284 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 434 [2023-11-19 08:07:28,287 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) [2023-11-19 08:07:28,287 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:28,288 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 434 [2023-11-19 08:07:28,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:29,008 INFO L124 PetriNetUnfolderBase]: 135/293 cut-off events. [2023-11-19 08:07:29,009 INFO L125 PetriNetUnfolderBase]: For 917/917 co-relation queries the response was YES. [2023-11-19 08:07:29,011 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. [2023-11-19 08:07:29,014 INFO L140 encePairwiseOnDemand]: 422/434 looper letters, 51 selfloop transitions, 39 changer transitions 1/91 dead transitions. [2023-11-19 08:07:29,015 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 91 transitions, 1062 flow [2023-11-19 08:07:29,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-19 08:07:29,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-19 08:07:29,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2708 transitions. [2023-11-19 08:07:29,027 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.445687952600395 [2023-11-19 08:07:29,027 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2708 transitions. [2023-11-19 08:07:29,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2708 transitions. [2023-11-19 08:07:29,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:29,031 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2708 transitions. [2023-11-19 08:07:29,039 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) [2023-11-19 08:07:29,053 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) [2023-11-19 08:07:29,055 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) [2023-11-19 08:07:29,056 INFO L175 Difference]: Start difference. First operand has 90 places, 82 transitions, 826 flow. Second operand 14 states and 2708 transitions. [2023-11-19 08:07:29,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 91 transitions, 1062 flow [2023-11-19 08:07:29,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 91 transitions, 981 flow, removed 10 selfloop flow, removed 7 redundant places. [2023-11-19 08:07:29,067 INFO L231 Difference]: Finished difference. Result has 97 places, 82 transitions, 833 flow [2023-11-19 08:07:29,068 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} [2023-11-19 08:07:29,068 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 64 predicate places. [2023-11-19 08:07:29,069 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 82 transitions, 833 flow [2023-11-19 08:07:29,070 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) [2023-11-19 08:07:29,070 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:29,070 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:29,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 08:07:29,071 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-19 08:07:29,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:29,071 INFO L85 PathProgramCache]: Analyzing trace with hash 681084171, now seen corresponding path program 1 times [2023-11-19 08:07:29,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:29,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320780313] [2023-11-19 08:07:29,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:29,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:29,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:07:29,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:29,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320780313] [2023-11-19 08:07:29,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320780313] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:29,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:29,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 08:07:29,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619995733] [2023-11-19 08:07:29,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:29,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 08:07:29,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:29,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 08:07:29,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:07:30,328 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 434 [2023-11-19 08:07:30,330 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) [2023-11-19 08:07:30,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:30,331 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 434 [2023-11-19 08:07:30,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:31,037 INFO L124 PetriNetUnfolderBase]: 153/375 cut-off events. [2023-11-19 08:07:31,037 INFO L125 PetriNetUnfolderBase]: For 1105/1106 co-relation queries the response was YES. [2023-11-19 08:07:31,039 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. [2023-11-19 08:07:31,042 INFO L140 encePairwiseOnDemand]: 422/434 looper letters, 81 selfloop transitions, 53 changer transitions 11/164 dead transitions. [2023-11-19 08:07:31,043 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 164 transitions, 1623 flow [2023-11-19 08:07:31,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-19 08:07:31,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-11-19 08:07:31,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 3321 transitions. [2023-11-19 08:07:31,055 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.450121984277582 [2023-11-19 08:07:31,056 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 3321 transitions. [2023-11-19 08:07:31,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 3321 transitions. [2023-11-19 08:07:31,058 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:31,059 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 3321 transitions. [2023-11-19 08:07:31,067 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) [2023-11-19 08:07:31,079 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) [2023-11-19 08:07:31,081 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) [2023-11-19 08:07:31,082 INFO L175 Difference]: Start difference. First operand has 97 places, 82 transitions, 833 flow. Second operand 17 states and 3321 transitions. [2023-11-19 08:07:31,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 164 transitions, 1623 flow [2023-11-19 08:07:31,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 164 transitions, 1509 flow, removed 10 selfloop flow, removed 12 redundant places. [2023-11-19 08:07:31,094 INFO L231 Difference]: Finished difference. Result has 114 places, 110 transitions, 1197 flow [2023-11-19 08:07:31,095 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} [2023-11-19 08:07:31,095 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 81 predicate places. [2023-11-19 08:07:31,096 INFO L495 AbstractCegarLoop]: Abstraction has has 114 places, 110 transitions, 1197 flow [2023-11-19 08:07:31,096 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) [2023-11-19 08:07:31,097 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:31,097 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:31,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 08:07:31,097 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-19 08:07:31,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:31,098 INFO L85 PathProgramCache]: Analyzing trace with hash 681084213, now seen corresponding path program 1 times [2023-11-19 08:07:31,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:31,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558983975] [2023-11-19 08:07:31,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:31,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:31,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:07:31,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:31,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558983975] [2023-11-19 08:07:31,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558983975] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:31,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:31,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:07:31,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255383433] [2023-11-19 08:07:31,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:31,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:07:31,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:31,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:07:31,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:07:31,553 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 434 [2023-11-19 08:07:31,554 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) [2023-11-19 08:07:31,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:31,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 434 [2023-11-19 08:07:31,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:31,766 INFO L124 PetriNetUnfolderBase]: 63/181 cut-off events. [2023-11-19 08:07:31,766 INFO L125 PetriNetUnfolderBase]: For 1328/1328 co-relation queries the response was YES. [2023-11-19 08:07:31,767 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. [2023-11-19 08:07:31,769 INFO L140 encePairwiseOnDemand]: 427/434 looper letters, 50 selfloop transitions, 26 changer transitions 0/89 dead transitions. [2023-11-19 08:07:31,769 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 89 transitions, 1044 flow [2023-11-19 08:07:31,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 08:07:31,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-19 08:07:31,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1629 transitions. [2023-11-19 08:07:31,775 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4691820276497696 [2023-11-19 08:07:31,776 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1629 transitions. [2023-11-19 08:07:31,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1629 transitions. [2023-11-19 08:07:31,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:31,777 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1629 transitions. [2023-11-19 08:07:31,781 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) [2023-11-19 08:07:31,787 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) [2023-11-19 08:07:31,788 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) [2023-11-19 08:07:31,788 INFO L175 Difference]: Start difference. First operand has 114 places, 110 transitions, 1197 flow. Second operand 8 states and 1629 transitions. [2023-11-19 08:07:31,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 89 transitions, 1044 flow [2023-11-19 08:07:31,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 89 transitions, 888 flow, removed 44 selfloop flow, removed 12 redundant places. [2023-11-19 08:07:31,799 INFO L231 Difference]: Finished difference. Result has 102 places, 75 transitions, 737 flow [2023-11-19 08:07:31,799 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} [2023-11-19 08:07:31,800 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 69 predicate places. [2023-11-19 08:07:31,800 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 75 transitions, 737 flow [2023-11-19 08:07:31,801 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) [2023-11-19 08:07:31,801 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:31,801 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:31,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-19 08:07:31,801 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-19 08:07:31,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:31,802 INFO L85 PathProgramCache]: Analyzing trace with hash -950260574, now seen corresponding path program 1 times [2023-11-19 08:07:31,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:31,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447584461] [2023-11-19 08:07:31,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:31,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:31,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:32,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:07:32,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:32,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447584461] [2023-11-19 08:07:32,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447584461] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:32,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:32,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 08:07:32,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162011815] [2023-11-19 08:07:32,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:32,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-19 08:07:32,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:32,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-19 08:07:32,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-19 08:07:33,495 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 434 [2023-11-19 08:07:33,497 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) [2023-11-19 08:07:33,497 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:33,497 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 434 [2023-11-19 08:07:33,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:34,009 INFO L124 PetriNetUnfolderBase]: 87/232 cut-off events. [2023-11-19 08:07:34,009 INFO L125 PetriNetUnfolderBase]: For 1109/1109 co-relation queries the response was YES. [2023-11-19 08:07:34,010 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. [2023-11-19 08:07:34,013 INFO L140 encePairwiseOnDemand]: 422/434 looper letters, 65 selfloop transitions, 43 changer transitions 3/111 dead transitions. [2023-11-19 08:07:34,013 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 111 transitions, 1223 flow [2023-11-19 08:07:34,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-19 08:07:34,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-11-19 08:07:34,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 3215 transitions. [2023-11-19 08:07:34,021 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4357549471401464 [2023-11-19 08:07:34,021 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 3215 transitions. [2023-11-19 08:07:34,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 3215 transitions. [2023-11-19 08:07:34,023 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:34,024 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 3215 transitions. [2023-11-19 08:07:34,030 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) [2023-11-19 08:07:34,042 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) [2023-11-19 08:07:34,045 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) [2023-11-19 08:07:34,045 INFO L175 Difference]: Start difference. First operand has 102 places, 75 transitions, 737 flow. Second operand 17 states and 3215 transitions. [2023-11-19 08:07:34,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 111 transitions, 1223 flow [2023-11-19 08:07:34,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 111 transitions, 1167 flow, removed 1 selfloop flow, removed 7 redundant places. [2023-11-19 08:07:34,055 INFO L231 Difference]: Finished difference. Result has 120 places, 98 transitions, 1046 flow [2023-11-19 08:07:34,056 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} [2023-11-19 08:07:34,056 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 87 predicate places. [2023-11-19 08:07:34,057 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 98 transitions, 1046 flow [2023-11-19 08:07:34,057 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) [2023-11-19 08:07:34,057 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:34,058 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:34,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-19 08:07:34,058 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-19 08:07:34,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:34,059 INFO L85 PathProgramCache]: Analyzing trace with hash -950260616, now seen corresponding path program 1 times [2023-11-19 08:07:34,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:34,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186049253] [2023-11-19 08:07:34,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:34,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:35,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:07:35,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:35,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186049253] [2023-11-19 08:07:35,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186049253] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:35,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:35,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 08:07:35,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278446857] [2023-11-19 08:07:35,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:35,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-19 08:07:35,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:35,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-19 08:07:35,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-11-19 08:07:35,796 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 434 [2023-11-19 08:07:35,798 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) [2023-11-19 08:07:35,798 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:35,798 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 434 [2023-11-19 08:07:35,798 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:36,253 INFO L124 PetriNetUnfolderBase]: 84/226 cut-off events. [2023-11-19 08:07:36,253 INFO L125 PetriNetUnfolderBase]: For 1342/1342 co-relation queries the response was YES. [2023-11-19 08:07:36,255 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. [2023-11-19 08:07:36,257 INFO L140 encePairwiseOnDemand]: 422/434 looper letters, 68 selfloop transitions, 37 changer transitions 1/106 dead transitions. [2023-11-19 08:07:36,257 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 106 transitions, 1316 flow [2023-11-19 08:07:36,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 08:07:36,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-19 08:07:36,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2252 transitions. [2023-11-19 08:07:36,263 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4324116743471582 [2023-11-19 08:07:36,263 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2252 transitions. [2023-11-19 08:07:36,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2252 transitions. [2023-11-19 08:07:36,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:36,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2252 transitions. [2023-11-19 08:07:36,271 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) [2023-11-19 08:07:36,278 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) [2023-11-19 08:07:36,280 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) [2023-11-19 08:07:36,280 INFO L175 Difference]: Start difference. First operand has 120 places, 98 transitions, 1046 flow. Second operand 12 states and 2252 transitions. [2023-11-19 08:07:36,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 106 transitions, 1316 flow [2023-11-19 08:07:36,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 106 transitions, 1265 flow, removed 21 selfloop flow, removed 2 redundant places. [2023-11-19 08:07:36,293 INFO L231 Difference]: Finished difference. Result has 130 places, 98 transitions, 1074 flow [2023-11-19 08:07:36,294 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} [2023-11-19 08:07:36,295 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 97 predicate places. [2023-11-19 08:07:36,295 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 98 transitions, 1074 flow [2023-11-19 08:07:36,296 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) [2023-11-19 08:07:36,296 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:36,296 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:36,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-19 08:07:36,296 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-19 08:07:36,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:36,297 INFO L85 PathProgramCache]: Analyzing trace with hash 459038306, now seen corresponding path program 2 times [2023-11-19 08:07:36,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:36,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852975475] [2023-11-19 08:07:36,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:36,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:37,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:07:37,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:37,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852975475] [2023-11-19 08:07:37,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852975475] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:37,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:37,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 08:07:37,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687780804] [2023-11-19 08:07:37,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:37,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-19 08:07:37,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:37,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-19 08:07:37,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-19 08:07:38,087 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 434 [2023-11-19 08:07:38,089 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) [2023-11-19 08:07:38,089 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:38,089 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 434 [2023-11-19 08:07:38,089 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:38,609 INFO L124 PetriNetUnfolderBase]: 97/256 cut-off events. [2023-11-19 08:07:38,609 INFO L125 PetriNetUnfolderBase]: For 1535/1535 co-relation queries the response was YES. [2023-11-19 08:07:38,611 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. [2023-11-19 08:07:38,613 INFO L140 encePairwiseOnDemand]: 422/434 looper letters, 76 selfloop transitions, 46 changer transitions 1/123 dead transitions. [2023-11-19 08:07:38,613 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 123 transitions, 1574 flow [2023-11-19 08:07:38,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-19 08:07:38,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-19 08:07:38,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2623 transitions. [2023-11-19 08:07:38,619 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4316984858459513 [2023-11-19 08:07:38,619 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2623 transitions. [2023-11-19 08:07:38,620 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2623 transitions. [2023-11-19 08:07:38,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:38,621 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2623 transitions. [2023-11-19 08:07:38,625 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) [2023-11-19 08:07:38,636 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) [2023-11-19 08:07:38,638 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) [2023-11-19 08:07:38,638 INFO L175 Difference]: Start difference. First operand has 130 places, 98 transitions, 1074 flow. Second operand 14 states and 2623 transitions. [2023-11-19 08:07:38,639 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 123 transitions, 1574 flow [2023-11-19 08:07:38,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 123 transitions, 1494 flow, removed 0 selfloop flow, removed 11 redundant places. [2023-11-19 08:07:38,654 INFO L231 Difference]: Finished difference. Result has 137 places, 112 transitions, 1325 flow [2023-11-19 08:07:38,655 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} [2023-11-19 08:07:38,657 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 104 predicate places. [2023-11-19 08:07:38,657 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 112 transitions, 1325 flow [2023-11-19 08:07:38,658 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) [2023-11-19 08:07:38,658 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:38,658 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:38,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-19 08:07:38,677 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-19 08:07:38,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:38,678 INFO L85 PathProgramCache]: Analyzing trace with hash -456507370, now seen corresponding path program 3 times [2023-11-19 08:07:38,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:38,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932910996] [2023-11-19 08:07:38,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:38,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:39,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:07:39,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:39,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932910996] [2023-11-19 08:07:39,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932910996] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:39,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:39,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 08:07:39,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441791031] [2023-11-19 08:07:39,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:39,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-19 08:07:39,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:39,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-19 08:07:39,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-19 08:07:40,535 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 434 [2023-11-19 08:07:40,537 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) [2023-11-19 08:07:40,538 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:40,538 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 434 [2023-11-19 08:07:40,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:41,018 INFO L124 PetriNetUnfolderBase]: 94/250 cut-off events. [2023-11-19 08:07:41,018 INFO L125 PetriNetUnfolderBase]: For 1719/1719 co-relation queries the response was YES. [2023-11-19 08:07:41,020 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. [2023-11-19 08:07:41,023 INFO L140 encePairwiseOnDemand]: 421/434 looper letters, 86 selfloop transitions, 34 changer transitions 2/122 dead transitions. [2023-11-19 08:07:41,023 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 122 transitions, 1640 flow [2023-11-19 08:07:41,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-19 08:07:41,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-19 08:07:41,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2435 transitions. [2023-11-19 08:07:41,029 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4315845444877703 [2023-11-19 08:07:41,029 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2435 transitions. [2023-11-19 08:07:41,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2435 transitions. [2023-11-19 08:07:41,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:41,031 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2435 transitions. [2023-11-19 08:07:41,035 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) [2023-11-19 08:07:41,042 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) [2023-11-19 08:07:41,044 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) [2023-11-19 08:07:41,044 INFO L175 Difference]: Start difference. First operand has 137 places, 112 transitions, 1325 flow. Second operand 13 states and 2435 transitions. [2023-11-19 08:07:41,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 122 transitions, 1640 flow [2023-11-19 08:07:41,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 122 transitions, 1528 flow, removed 42 selfloop flow, removed 5 redundant places. [2023-11-19 08:07:41,066 INFO L231 Difference]: Finished difference. Result has 147 places, 116 transitions, 1346 flow [2023-11-19 08:07:41,067 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} [2023-11-19 08:07:41,067 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 114 predicate places. [2023-11-19 08:07:41,068 INFO L495 AbstractCegarLoop]: Abstraction has has 147 places, 116 transitions, 1346 flow [2023-11-19 08:07:41,068 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) [2023-11-19 08:07:41,069 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:41,069 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:41,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-19 08:07:41,069 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-19 08:07:41,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:41,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1358501399, now seen corresponding path program 1 times [2023-11-19 08:07:41,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:41,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680118814] [2023-11-19 08:07:41,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:41,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat