./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1f7285-0e8f-48b2-a2f6-fe1855e76909/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1f7285-0e8f-48b2-a2f6-fe1855e76909/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1f7285-0e8f-48b2-a2f6-fe1855e76909/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1f7285-0e8f-48b2-a2f6-fe1855e76909/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1f7285-0e8f-48b2-a2f6-fe1855e76909/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1f7285-0e8f-48b2-a2f6-fe1855e76909/bin/uautomizer-verify-uTZkv6EMXl --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 79b55bbc1c83a113dd61cfbd1c59324170026eea9fc3fed8c2e488e492b32e33 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:20:27,998 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:20:28,106 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1f7285-0e8f-48b2-a2f6-fe1855e76909/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-12 02:20:28,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:20:28,113 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:20:28,155 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:20:28,156 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:20:28,157 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:20:28,158 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:20:28,163 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:20:28,165 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:20:28,165 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:20:28,166 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:20:28,168 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:20:28,168 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:20:28,169 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:20:28,169 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:20:28,170 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:20:28,170 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:20:28,171 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:20:28,171 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:20:28,172 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:20:28,172 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 02:20:28,173 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:20:28,173 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:20:28,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:20:28,174 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:20:28,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:20:28,176 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:20:28,176 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:20:28,178 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:20:28,178 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:20:28,178 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:20:28,179 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:20:28,179 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:20:28,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:20:28,180 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:20:28,180 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:20:28,180 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:20:28,181 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:20:28,181 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:20:28,181 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_dc1f7285-0e8f-48b2-a2f6-fe1855e76909/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1f7285-0e8f-48b2-a2f6-fe1855e76909/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79b55bbc1c83a113dd61cfbd1c59324170026eea9fc3fed8c2e488e492b32e33 [2023-11-12 02:20:28,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:20:28,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:20:28,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:20:28,553 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:20:28,554 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:20:28,556 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1f7285-0e8f-48b2-a2f6-fe1855e76909/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i [2023-11-12 02:20:31,657 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:20:31,992 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:20:31,992 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1f7285-0e8f-48b2-a2f6-fe1855e76909/sv-benchmarks/c/ldv-races/race-3_1-container_of-global.i [2023-11-12 02:20:32,017 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1f7285-0e8f-48b2-a2f6-fe1855e76909/bin/uautomizer-verify-uTZkv6EMXl/data/9fadb5daf/8926bbb8869742d091f6f4ec6bd2ad8e/FLAGf46720b13 [2023-11-12 02:20:32,033 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1f7285-0e8f-48b2-a2f6-fe1855e76909/bin/uautomizer-verify-uTZkv6EMXl/data/9fadb5daf/8926bbb8869742d091f6f4ec6bd2ad8e [2023-11-12 02:20:32,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:20:32,049 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:20:32,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:20:32,053 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:20:32,058 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:20:32,059 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:20:32" (1/1) ... [2023-11-12 02:20:32,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d877bb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:32, skipping insertion in model container [2023-11-12 02:20:32,061 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:20:32" (1/1) ... [2023-11-12 02:20:32,130 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:20:33,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:20:33,175 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:20:33,358 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:20:33,537 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:20:33,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:33 WrapperNode [2023-11-12 02:20:33,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:20:33,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:20:33,540 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:20:33,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:20:33,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:33" (1/1) ... [2023-11-12 02:20:33,579 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:33" (1/1) ... [2023-11-12 02:20:33,615 INFO L138 Inliner]: procedures = 482, calls = 47, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 153 [2023-11-12 02:20:33,615 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:20:33,616 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:20:33,616 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:20:33,616 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:20:33,627 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:33" (1/1) ... [2023-11-12 02:20:33,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:33" (1/1) ... [2023-11-12 02:20:33,633 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:33" (1/1) ... [2023-11-12 02:20:33,634 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:33" (1/1) ... [2023-11-12 02:20:33,651 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:33" (1/1) ... [2023-11-12 02:20:33,653 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:33" (1/1) ... [2023-11-12 02:20:33,659 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:33" (1/1) ... [2023-11-12 02:20:33,663 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:33" (1/1) ... [2023-11-12 02:20:33,672 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:20:33,673 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:20:33,673 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:20:33,673 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:20:33,674 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:33" (1/1) ... [2023-11-12 02:20:33,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:20:33,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1f7285-0e8f-48b2-a2f6-fe1855e76909/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:20:33,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1f7285-0e8f-48b2-a2f6-fe1855e76909/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:20:33,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1f7285-0e8f-48b2-a2f6-fe1855e76909/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:20:33,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:20:33,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:20:33,774 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-12 02:20:33,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:20:33,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:20:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:20:33,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:20:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-12 02:20:33,775 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-12 02:20:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:20:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:20:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:20:33,777 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 02:20:34,072 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:20:34,074 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:20:34,427 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:20:34,440 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:20:34,440 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:20:34,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:20:34 BoogieIcfgContainer [2023-11-12 02:20:34,444 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:20:34,446 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:20:34,447 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:20:34,451 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:20:34,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:20:32" (1/3) ... [2023-11-12 02:20:34,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd9e3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:20:34, skipping insertion in model container [2023-11-12 02:20:34,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:20:33" (2/3) ... [2023-11-12 02:20:34,453 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd9e3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:20:34, skipping insertion in model container [2023-11-12 02:20:34,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:20:34" (3/3) ... [2023-11-12 02:20:34,455 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2023-11-12 02:20:34,466 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 02:20:34,477 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:20:34,477 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-12 02:20:34,477 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:20:34,603 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-12 02:20:34,650 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 220 places, 228 transitions, 470 flow [2023-11-12 02:20:34,770 INFO L124 PetriNetUnfolderBase]: 18/282 cut-off events. [2023-11-12 02:20:34,770 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-12 02:20:34,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 282 events. 18/282 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 573 event pairs, 0 based on Foata normal form. 0/258 useless extension candidates. Maximal degree in co-relation 159. Up to 4 conditions per place. [2023-11-12 02:20:34,778 INFO L82 GeneralOperation]: Start removeDead. Operand has 220 places, 228 transitions, 470 flow [2023-11-12 02:20:34,790 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 182 places, 183 transitions, 375 flow [2023-11-12 02:20:34,795 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:20:34,818 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 182 places, 183 transitions, 375 flow [2023-11-12 02:20:34,821 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 182 places, 183 transitions, 375 flow [2023-11-12 02:20:34,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 182 places, 183 transitions, 375 flow [2023-11-12 02:20:34,870 INFO L124 PetriNetUnfolderBase]: 8/183 cut-off events. [2023-11-12 02:20:34,870 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-12 02:20:34,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 191 conditions, 183 events. 8/183 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 256 event pairs, 0 based on Foata normal form. 0/170 useless extension candidates. Maximal degree in co-relation 107. Up to 2 conditions per place. [2023-11-12 02:20:34,877 INFO L119 LiptonReduction]: Number of co-enabled transitions 5960 [2023-11-12 02:20:48,448 INFO L134 LiptonReduction]: Checked pairs total: 11571 [2023-11-12 02:20:48,448 INFO L136 LiptonReduction]: Total number of compositions: 205 [2023-11-12 02:20:48,464 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:20:48,471 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;@1fb97177, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:20:48,472 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-12 02:20:48,478 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-12 02:20:48,478 INFO L124 PetriNetUnfolderBase]: 0/9 cut-off events. [2023-11-12 02:20:48,479 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:20:48,479 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:20:48,480 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-12 02:20:48,480 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:20:48,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:20:48,487 INFO L85 PathProgramCache]: Analyzing trace with hash 728549155, now seen corresponding path program 1 times [2023-11-12 02:20:48,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:20:48,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424930436] [2023-11-12 02:20:48,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:20:48,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:20:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:49,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:20:49,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:20:49,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424930436] [2023-11-12 02:20:49,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424930436] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:20:49,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:20:49,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:20:49,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639837444] [2023-11-12 02:20:49,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:20:49,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:20:49,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:20:49,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:20:49,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:20:49,625 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 433 [2023-11-12 02:20:49,629 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 27 transitions, 63 flow. Second operand has 4 states, 4 states have (on average 193.25) internal successors, (773), 4 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:49,630 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:20:49,630 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 433 [2023-11-12 02:20:49,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:20:49,883 INFO L124 PetriNetUnfolderBase]: 194/361 cut-off events. [2023-11-12 02:20:49,911 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2023-11-12 02:20:49,912 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 1326 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. [2023-11-12 02:20:49,916 INFO L140 encePairwiseOnDemand]: 425/433 looper letters, 22 selfloop transitions, 7 changer transitions 0/29 dead transitions. [2023-11-12 02:20:49,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 29 transitions, 125 flow [2023-11-12 02:20:49,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:20:49,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-12 02:20:49,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 992 transitions. [2023-11-12 02:20:49,953 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4581986143187067 [2023-11-12 02:20:49,954 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 992 transitions. [2023-11-12 02:20:49,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 992 transitions. [2023-11-12 02:20:49,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:20:49,966 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 992 transitions. [2023-11-12 02:20:49,974 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 198.4) internal successors, (992), 5 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:49,986 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 433.0) internal successors, (2598), 6 states have internal predecessors, (2598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:49,988 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 433.0) internal successors, (2598), 6 states have internal predecessors, (2598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:49,990 INFO L175 Difference]: Start difference. First operand has 33 places, 27 transitions, 63 flow. Second operand 5 states and 992 transitions. [2023-11-12 02:20:49,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 29 transitions, 125 flow [2023-11-12 02:20:49,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 29 transitions, 120 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-12 02:20:49,997 INFO L231 Difference]: Finished difference. Result has 33 places, 28 transitions, 95 flow [2023-11-12 02:20:50,000 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=95, PETRI_PLACES=33, PETRI_TRANSITIONS=28} [2023-11-12 02:20:50,005 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 0 predicate places. [2023-11-12 02:20:50,006 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 28 transitions, 95 flow [2023-11-12 02:20:50,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 193.25) internal successors, (773), 4 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:50,007 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:20:50,007 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:20:50,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:20:50,008 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:20:50,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:20:50,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1109998989, now seen corresponding path program 1 times [2023-11-12 02:20:50,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:20:50,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036019034] [2023-11-12 02:20:50,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:20:50,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:20:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:50,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:20:50,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:20:50,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036019034] [2023-11-12 02:20:50,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036019034] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:20:50,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:20:50,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:20:50,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460134641] [2023-11-12 02:20:50,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:20:50,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:20:50,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:20:50,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:20:50,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:20:50,789 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 433 [2023-11-12 02:20:50,791 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 28 transitions, 95 flow. Second operand has 5 states, 5 states have (on average 192.2) internal successors, (961), 5 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:50,791 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:20:50,791 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 433 [2023-11-12 02:20:50,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:20:51,008 INFO L124 PetriNetUnfolderBase]: 215/397 cut-off events. [2023-11-12 02:20:51,008 INFO L125 PetriNetUnfolderBase]: For 73/73 co-relation queries the response was YES. [2023-11-12 02:20:51,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 935 conditions, 397 events. 215/397 cut-off events. For 73/73 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1500 event pairs, 129 based on Foata normal form. 5/347 useless extension candidates. Maximal degree in co-relation 728. Up to 351 conditions per place. [2023-11-12 02:20:51,013 INFO L140 encePairwiseOnDemand]: 425/433 looper letters, 32 selfloop transitions, 13 changer transitions 0/45 dead transitions. [2023-11-12 02:20:51,014 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 45 transitions, 233 flow [2023-11-12 02:20:51,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:20:51,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-12 02:20:51,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 999 transitions. [2023-11-12 02:20:51,019 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46143187066974595 [2023-11-12 02:20:51,019 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 999 transitions. [2023-11-12 02:20:51,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 999 transitions. [2023-11-12 02:20:51,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:20:51,021 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 999 transitions. [2023-11-12 02:20:51,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 199.8) internal successors, (999), 5 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:51,031 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 433.0) internal successors, (2598), 6 states have internal predecessors, (2598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:51,033 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 433.0) internal successors, (2598), 6 states have internal predecessors, (2598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:51,034 INFO L175 Difference]: Start difference. First operand has 33 places, 28 transitions, 95 flow. Second operand 5 states and 999 transitions. [2023-11-12 02:20:51,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 45 transitions, 233 flow [2023-11-12 02:20:51,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 45 transitions, 233 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-12 02:20:51,037 INFO L231 Difference]: Finished difference. Result has 39 places, 35 transitions, 167 flow [2023-11-12 02:20:51,038 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=167, PETRI_PLACES=39, PETRI_TRANSITIONS=35} [2023-11-12 02:20:51,039 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 6 predicate places. [2023-11-12 02:20:51,039 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 35 transitions, 167 flow [2023-11-12 02:20:51,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 192.2) internal successors, (961), 5 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:51,040 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:20:51,041 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:20:51,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:20:51,041 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:20:51,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:20:51,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1110192429, now seen corresponding path program 2 times [2023-11-12 02:20:51,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:20:51,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585754410] [2023-11-12 02:20:51,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:20:51,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:20:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:51,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:20:51,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:20:51,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585754410] [2023-11-12 02:20:51,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585754410] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:20:51,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:20:51,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:20:51,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768214358] [2023-11-12 02:20:51,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:20:51,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:20:51,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:20:51,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:20:51,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:20:51,770 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 433 [2023-11-12 02:20:51,771 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 35 transitions, 167 flow. Second operand has 5 states, 5 states have (on average 192.2) internal successors, (961), 5 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:51,772 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:20:51,772 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 433 [2023-11-12 02:20:51,772 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:20:51,947 INFO L124 PetriNetUnfolderBase]: 201/373 cut-off events. [2023-11-12 02:20:51,947 INFO L125 PetriNetUnfolderBase]: For 209/209 co-relation queries the response was YES. [2023-11-12 02:20:51,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1016 conditions, 373 events. 201/373 cut-off events. For 209/209 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1414 event pairs, 52 based on Foata normal form. 5/328 useless extension candidates. Maximal degree in co-relation 752. Up to 305 conditions per place. [2023-11-12 02:20:51,952 INFO L140 encePairwiseOnDemand]: 426/433 looper letters, 34 selfloop transitions, 14 changer transitions 0/48 dead transitions. [2023-11-12 02:20:51,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 48 transitions, 304 flow [2023-11-12 02:20:51,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:20:51,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-12 02:20:51,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 998 transitions. [2023-11-12 02:20:51,957 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4609699769053118 [2023-11-12 02:20:51,957 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 998 transitions. [2023-11-12 02:20:51,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 998 transitions. [2023-11-12 02:20:51,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:20:51,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 998 transitions. [2023-11-12 02:20:51,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 199.6) internal successors, (998), 5 states have internal predecessors, (998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:51,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 433.0) internal successors, (2598), 6 states have internal predecessors, (2598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:51,970 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 433.0) internal successors, (2598), 6 states have internal predecessors, (2598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:51,970 INFO L175 Difference]: Start difference. First operand has 39 places, 35 transitions, 167 flow. Second operand 5 states and 998 transitions. [2023-11-12 02:20:51,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 48 transitions, 304 flow [2023-11-12 02:20:51,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 48 transitions, 290 flow, removed 7 selfloop flow, removed 0 redundant places. [2023-11-12 02:20:51,976 INFO L231 Difference]: Finished difference. Result has 44 places, 38 transitions, 212 flow [2023-11-12 02:20:51,976 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=155, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=212, PETRI_PLACES=44, PETRI_TRANSITIONS=38} [2023-11-12 02:20:51,977 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 11 predicate places. [2023-11-12 02:20:51,978 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 38 transitions, 212 flow [2023-11-12 02:20:51,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 192.2) internal successors, (961), 5 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:51,979 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:20:51,979 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:20:51,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:20:51,980 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:20:51,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:20:51,980 INFO L85 PathProgramCache]: Analyzing trace with hash 45249145, now seen corresponding path program 1 times [2023-11-12 02:20:51,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:20:51,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387413649] [2023-11-12 02:20:51,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:20:51,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:20:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:52,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:20:52,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:20:52,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387413649] [2023-11-12 02:20:52,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387413649] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:20:52,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:20:52,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:20:52,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408602511] [2023-11-12 02:20:52,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:20:52,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:20:52,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:20:52,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:20:52,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:20:52,682 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 433 [2023-11-12 02:20:52,684 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 38 transitions, 212 flow. Second operand has 5 states, 5 states have (on average 192.4) internal successors, (962), 5 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:52,684 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:20:52,684 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 433 [2023-11-12 02:20:52,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:20:52,963 INFO L124 PetriNetUnfolderBase]: 189/353 cut-off events. [2023-11-12 02:20:52,963 INFO L125 PetriNetUnfolderBase]: For 268/268 co-relation queries the response was YES. [2023-11-12 02:20:52,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1005 conditions, 353 events. 189/353 cut-off events. For 268/268 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1289 event pairs, 73 based on Foata normal form. 0/311 useless extension candidates. Maximal degree in co-relation 808. Up to 311 conditions per place. [2023-11-12 02:20:52,967 INFO L140 encePairwiseOnDemand]: 426/433 looper letters, 38 selfloop transitions, 12 changer transitions 0/50 dead transitions. [2023-11-12 02:20:52,968 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 50 transitions, 363 flow [2023-11-12 02:20:52,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:20:52,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-12 02:20:52,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 994 transitions. [2023-11-12 02:20:52,973 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4591224018475751 [2023-11-12 02:20:52,973 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 994 transitions. [2023-11-12 02:20:52,973 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 994 transitions. [2023-11-12 02:20:52,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:20:52,974 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 994 transitions. [2023-11-12 02:20:52,978 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 198.8) internal successors, (994), 5 states have internal predecessors, (994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:52,989 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 433.0) internal successors, (2598), 6 states have internal predecessors, (2598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:52,992 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 433.0) internal successors, (2598), 6 states have internal predecessors, (2598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:52,992 INFO L175 Difference]: Start difference. First operand has 44 places, 38 transitions, 212 flow. Second operand 5 states and 994 transitions. [2023-11-12 02:20:52,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 50 transitions, 363 flow [2023-11-12 02:20:52,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 50 transitions, 348 flow, removed 3 selfloop flow, removed 1 redundant places. [2023-11-12 02:20:52,996 INFO L231 Difference]: Finished difference. Result has 49 places, 43 transitions, 267 flow [2023-11-12 02:20:52,997 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=197, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=267, PETRI_PLACES=49, PETRI_TRANSITIONS=43} [2023-11-12 02:20:52,998 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 16 predicate places. [2023-11-12 02:20:52,998 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 43 transitions, 267 flow [2023-11-12 02:20:52,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 192.4) internal successors, (962), 5 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:52,999 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:20:52,999 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:20:52,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:20:53,000 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:20:53,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:20:53,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1057338087, now seen corresponding path program 1 times [2023-11-12 02:20:53,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:20:53,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622484599] [2023-11-12 02:20:53,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:20:53,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:20:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:53,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:20:53,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:20:53,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622484599] [2023-11-12 02:20:53,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622484599] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:20:53,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:20:53,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:20:53,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299505924] [2023-11-12 02:20:53,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:20:53,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-12 02:20:53,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:20:53,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 02:20:53,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:20:53,976 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 433 [2023-11-12 02:20:53,980 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 43 transitions, 267 flow. Second operand has 8 states, 8 states have (on average 188.125) internal successors, (1505), 8 states have internal predecessors, (1505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:53,981 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:20:53,981 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 433 [2023-11-12 02:20:53,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:20:54,366 INFO L124 PetriNetUnfolderBase]: 213/393 cut-off events. [2023-11-12 02:20:54,367 INFO L125 PetriNetUnfolderBase]: For 306/306 co-relation queries the response was YES. [2023-11-12 02:20:54,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1183 conditions, 393 events. 213/393 cut-off events. For 306/306 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1502 event pairs, 43 based on Foata normal form. 8/374 useless extension candidates. Maximal degree in co-relation 1004. Up to 297 conditions per place. [2023-11-12 02:20:54,371 INFO L140 encePairwiseOnDemand]: 422/433 looper letters, 40 selfloop transitions, 21 changer transitions 0/61 dead transitions. [2023-11-12 02:20:54,372 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 61 transitions, 460 flow [2023-11-12 02:20:54,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:20:54,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:20:54,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1173 transitions. [2023-11-12 02:20:54,377 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4515011547344111 [2023-11-12 02:20:54,377 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1173 transitions. [2023-11-12 02:20:54,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1173 transitions. [2023-11-12 02:20:54,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:20:54,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1173 transitions. [2023-11-12 02:20:54,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 195.5) internal successors, (1173), 6 states have internal predecessors, (1173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:54,388 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 433.0) internal successors, (3031), 7 states have internal predecessors, (3031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:54,389 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 433.0) internal successors, (3031), 7 states have internal predecessors, (3031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:54,389 INFO L175 Difference]: Start difference. First operand has 49 places, 43 transitions, 267 flow. Second operand 6 states and 1173 transitions. [2023-11-12 02:20:54,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 61 transitions, 460 flow [2023-11-12 02:20:54,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 61 transitions, 448 flow, removed 2 selfloop flow, removed 1 redundant places. [2023-11-12 02:20:54,395 INFO L231 Difference]: Finished difference. Result has 55 places, 50 transitions, 371 flow [2023-11-12 02:20:54,395 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=255, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=371, PETRI_PLACES=55, PETRI_TRANSITIONS=50} [2023-11-12 02:20:54,396 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 22 predicate places. [2023-11-12 02:20:54,396 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 50 transitions, 371 flow [2023-11-12 02:20:54,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 188.125) internal successors, (1505), 8 states have internal predecessors, (1505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:54,397 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:20:54,398 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:20:54,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 02:20:54,398 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:20:54,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:20:54,399 INFO L85 PathProgramCache]: Analyzing trace with hash 540290083, now seen corresponding path program 2 times [2023-11-12 02:20:54,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:20:54,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659776530] [2023-11-12 02:20:54,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:20:54,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:20:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:55,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:20:55,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:20:55,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659776530] [2023-11-12 02:20:55,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659776530] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:20:55,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:20:55,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:20:55,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415818173] [2023-11-12 02:20:55,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:20:55,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-12 02:20:55,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:20:55,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 02:20:55,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:20:55,473 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 433 [2023-11-12 02:20:55,475 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 50 transitions, 371 flow. Second operand has 8 states, 8 states have (on average 188.125) internal successors, (1505), 8 states have internal predecessors, (1505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:55,475 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:20:55,475 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 433 [2023-11-12 02:20:55,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:20:55,882 INFO L124 PetriNetUnfolderBase]: 246/448 cut-off events. [2023-11-12 02:20:55,882 INFO L125 PetriNetUnfolderBase]: For 624/624 co-relation queries the response was YES. [2023-11-12 02:20:55,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1540 conditions, 448 events. 246/448 cut-off events. For 624/624 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1782 event pairs, 59 based on Foata normal form. 8/429 useless extension candidates. Maximal degree in co-relation 1414. Up to 339 conditions per place. [2023-11-12 02:20:55,888 INFO L140 encePairwiseOnDemand]: 421/433 looper letters, 49 selfloop transitions, 30 changer transitions 0/79 dead transitions. [2023-11-12 02:20:55,888 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 79 transitions, 665 flow [2023-11-12 02:20:55,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 02:20:55,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-12 02:20:55,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1748 transitions. [2023-11-12 02:20:55,896 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4485501667949705 [2023-11-12 02:20:55,896 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1748 transitions. [2023-11-12 02:20:55,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1748 transitions. [2023-11-12 02:20:55,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:20:55,898 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1748 transitions. [2023-11-12 02:20:55,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 194.22222222222223) internal successors, (1748), 9 states have internal predecessors, (1748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:55,911 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 433.0) internal successors, (4330), 10 states have internal predecessors, (4330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:55,913 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 433.0) internal successors, (4330), 10 states have internal predecessors, (4330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:55,913 INFO L175 Difference]: Start difference. First operand has 55 places, 50 transitions, 371 flow. Second operand 9 states and 1748 transitions. [2023-11-12 02:20:55,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 79 transitions, 665 flow [2023-11-12 02:20:55,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 79 transitions, 624 flow, removed 4 selfloop flow, removed 3 redundant places. [2023-11-12 02:20:55,920 INFO L231 Difference]: Finished difference. Result has 63 places, 63 transitions, 525 flow [2023-11-12 02:20:55,920 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=525, PETRI_PLACES=63, PETRI_TRANSITIONS=63} [2023-11-12 02:20:55,921 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 30 predicate places. [2023-11-12 02:20:55,921 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 63 transitions, 525 flow [2023-11-12 02:20:55,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 188.125) internal successors, (1505), 8 states have internal predecessors, (1505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:55,922 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:20:55,923 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:20:55,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 02:20:55,923 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:20:55,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:20:55,924 INFO L85 PathProgramCache]: Analyzing trace with hash -656093181, now seen corresponding path program 3 times [2023-11-12 02:20:55,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:20:55,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995835319] [2023-11-12 02:20:55,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:20:55,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:20:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:56,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:20:56,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:20:56,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995835319] [2023-11-12 02:20:56,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995835319] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:20:56,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:20:56,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:20:56,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575020437] [2023-11-12 02:20:56,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:20:56,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-12 02:20:56,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:20:56,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 02:20:56,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:20:57,026 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 433 [2023-11-12 02:20:57,028 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 63 transitions, 525 flow. Second operand has 8 states, 8 states have (on average 188.125) internal successors, (1505), 8 states have internal predecessors, (1505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:57,028 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:20:57,028 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 433 [2023-11-12 02:20:57,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:20:57,333 INFO L124 PetriNetUnfolderBase]: 210/388 cut-off events. [2023-11-12 02:20:57,334 INFO L125 PetriNetUnfolderBase]: For 817/817 co-relation queries the response was YES. [2023-11-12 02:20:57,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1455 conditions, 388 events. 210/388 cut-off events. For 817/817 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1481 event pairs, 41 based on Foata normal form. 8/385 useless extension candidates. Maximal degree in co-relation 1190. Up to 253 conditions per place. [2023-11-12 02:20:57,338 INFO L140 encePairwiseOnDemand]: 422/433 looper letters, 47 selfloop transitions, 31 changer transitions 2/80 dead transitions. [2023-11-12 02:20:57,338 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 80 transitions, 766 flow [2023-11-12 02:20:57,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:20:57,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-12 02:20:57,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1364 transitions. [2023-11-12 02:20:57,345 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45001649620587264 [2023-11-12 02:20:57,345 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1364 transitions. [2023-11-12 02:20:57,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1364 transitions. [2023-11-12 02:20:57,347 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:20:57,347 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1364 transitions. [2023-11-12 02:20:57,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 194.85714285714286) internal successors, (1364), 7 states have internal predecessors, (1364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:57,359 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 433.0) internal successors, (3464), 8 states have internal predecessors, (3464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:57,361 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 433.0) internal successors, (3464), 8 states have internal predecessors, (3464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:57,361 INFO L175 Difference]: Start difference. First operand has 63 places, 63 transitions, 525 flow. Second operand 7 states and 1364 transitions. [2023-11-12 02:20:57,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 80 transitions, 766 flow [2023-11-12 02:20:57,367 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 80 transitions, 733 flow, removed 4 selfloop flow, removed 2 redundant places. [2023-11-12 02:20:57,372 INFO L231 Difference]: Finished difference. Result has 69 places, 67 transitions, 627 flow [2023-11-12 02:20:57,372 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=495, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=627, PETRI_PLACES=69, PETRI_TRANSITIONS=67} [2023-11-12 02:20:57,373 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 36 predicate places. [2023-11-12 02:20:57,374 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 67 transitions, 627 flow [2023-11-12 02:20:57,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 188.125) internal successors, (1505), 8 states have internal predecessors, (1505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:57,376 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:20:57,376 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:20:57,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-12 02:20:57,377 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:20:57,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:20:57,377 INFO L85 PathProgramCache]: Analyzing trace with hash -448778180, now seen corresponding path program 1 times [2023-11-12 02:20:57,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:20:57,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608533961] [2023-11-12 02:20:57,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:20:57,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:20:57,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:57,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:20:57,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:20:57,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608533961] [2023-11-12 02:20:57,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608533961] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:20:57,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:20:57,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:20:57,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693120088] [2023-11-12 02:20:57,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:20:57,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:20:57,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:20:57,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:20:57,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:20:58,153 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 433 [2023-11-12 02:20:58,155 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 67 transitions, 627 flow. Second operand has 6 states, 6 states have (on average 190.5) internal successors, (1143), 6 states have internal predecessors, (1143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:58,155 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:20:58,155 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 433 [2023-11-12 02:20:58,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:20:58,510 INFO L124 PetriNetUnfolderBase]: 188/386 cut-off events. [2023-11-12 02:20:58,510 INFO L125 PetriNetUnfolderBase]: For 956/960 co-relation queries the response was YES. [2023-11-12 02:20:58,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1480 conditions, 386 events. 188/386 cut-off events. For 956/960 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1753 event pairs, 13 based on Foata normal form. 4/375 useless extension candidates. Maximal degree in co-relation 1195. Up to 139 conditions per place. [2023-11-12 02:20:58,515 INFO L140 encePairwiseOnDemand]: 424/433 looper letters, 57 selfloop transitions, 20 changer transitions 9/106 dead transitions. [2023-11-12 02:20:58,515 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 106 transitions, 1002 flow [2023-11-12 02:20:58,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-12 02:20:58,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-12 02:20:58,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1570 transitions. [2023-11-12 02:20:58,522 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4532332563510393 [2023-11-12 02:20:58,522 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1570 transitions. [2023-11-12 02:20:58,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1570 transitions. [2023-11-12 02:20:58,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:20:58,524 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1570 transitions. [2023-11-12 02:20:58,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 196.25) internal successors, (1570), 8 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:58,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 433.0) internal successors, (3897), 9 states have internal predecessors, (3897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:58,537 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 433.0) internal successors, (3897), 9 states have internal predecessors, (3897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:58,537 INFO L175 Difference]: Start difference. First operand has 69 places, 67 transitions, 627 flow. Second operand 8 states and 1570 transitions. [2023-11-12 02:20:58,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 106 transitions, 1002 flow [2023-11-12 02:20:58,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 106 transitions, 934 flow, removed 14 selfloop flow, removed 3 redundant places. [2023-11-12 02:20:58,547 INFO L231 Difference]: Finished difference. Result has 77 places, 80 transitions, 747 flow [2023-11-12 02:20:58,548 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=579, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=747, PETRI_PLACES=77, PETRI_TRANSITIONS=80} [2023-11-12 02:20:58,549 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 44 predicate places. [2023-11-12 02:20:58,549 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 80 transitions, 747 flow [2023-11-12 02:20:58,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 190.5) internal successors, (1143), 6 states have internal predecessors, (1143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:58,550 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:20:58,550 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:20:58,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-12 02:20:58,551 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:20:58,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:20:58,551 INFO L85 PathProgramCache]: Analyzing trace with hash -448778139, now seen corresponding path program 1 times [2023-11-12 02:20:58,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:20:58,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885447093] [2023-11-12 02:20:58,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:20:58,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:20:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:59,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:20:59,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:20:59,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885447093] [2023-11-12 02:20:59,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885447093] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:20:59,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:20:59,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:20:59,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89132220] [2023-11-12 02:20:59,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:20:59,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-12 02:20:59,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:20:59,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 02:20:59,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:20:59,834 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 433 [2023-11-12 02:20:59,836 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 80 transitions, 747 flow. Second operand has 8 states, 8 states have (on average 186.375) internal successors, (1491), 8 states have internal predecessors, (1491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:20:59,836 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:20:59,836 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 433 [2023-11-12 02:20:59,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:21:00,579 INFO L124 PetriNetUnfolderBase]: 262/498 cut-off events. [2023-11-12 02:21:00,579 INFO L125 PetriNetUnfolderBase]: For 1571/1571 co-relation queries the response was YES. [2023-11-12 02:21:00,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2026 conditions, 498 events. 262/498 cut-off events. For 1571/1571 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 2179 event pairs, 29 based on Foata normal form. 10/508 useless extension candidates. Maximal degree in co-relation 1691. Up to 153 conditions per place. [2023-11-12 02:21:00,585 INFO L140 encePairwiseOnDemand]: 422/433 looper letters, 67 selfloop transitions, 57 changer transitions 12/136 dead transitions. [2023-11-12 02:21:00,585 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 136 transitions, 1301 flow [2023-11-12 02:21:00,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-12 02:21:00,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-12 02:21:00,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2681 transitions. [2023-11-12 02:21:00,597 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44226327944572746 [2023-11-12 02:21:00,597 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2681 transitions. [2023-11-12 02:21:00,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2681 transitions. [2023-11-12 02:21:00,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:21:00,600 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2681 transitions. [2023-11-12 02:21:00,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 191.5) internal successors, (2681), 14 states have internal predecessors, (2681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:00,620 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 433.0) internal successors, (6495), 15 states have internal predecessors, (6495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:00,624 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 433.0) internal successors, (6495), 15 states have internal predecessors, (6495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:00,624 INFO L175 Difference]: Start difference. First operand has 77 places, 80 transitions, 747 flow. Second operand 14 states and 2681 transitions. [2023-11-12 02:21:00,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 136 transitions, 1301 flow [2023-11-12 02:21:00,635 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 136 transitions, 1294 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-12 02:21:00,639 INFO L231 Difference]: Finished difference. Result has 94 places, 98 transitions, 1081 flow [2023-11-12 02:21:00,640 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=720, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1081, PETRI_PLACES=94, PETRI_TRANSITIONS=98} [2023-11-12 02:21:00,640 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 61 predicate places. [2023-11-12 02:21:00,641 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 98 transitions, 1081 flow [2023-11-12 02:21:00,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 186.375) internal successors, (1491), 8 states have internal predecessors, (1491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:00,642 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:21:00,643 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:00,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-12 02:21:00,643 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:21:00,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:00,644 INFO L85 PathProgramCache]: Analyzing trace with hash 720641434, now seen corresponding path program 2 times [2023-11-12 02:21:00,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:00,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463063849] [2023-11-12 02:21:00,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:00,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:00,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:21:00,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:00,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463063849] [2023-11-12 02:21:00,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463063849] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:00,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:00,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:21:00,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626557167] [2023-11-12 02:21:00,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:00,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:21:00,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:00,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:21:00,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:21:01,040 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 433 [2023-11-12 02:21:01,041 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 98 transitions, 1081 flow. Second operand has 4 states, 4 states have (on average 200.25) internal successors, (801), 4 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:01,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:21:01,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 433 [2023-11-12 02:21:01,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:21:01,162 INFO L124 PetriNetUnfolderBase]: 38/122 cut-off events. [2023-11-12 02:21:01,162 INFO L125 PetriNetUnfolderBase]: For 876/876 co-relation queries the response was YES. [2023-11-12 02:21:01,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 588 conditions, 122 events. 38/122 cut-off events. For 876/876 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 428 event pairs, 6 based on Foata normal form. 22/144 useless extension candidates. Maximal degree in co-relation 560. Up to 47 conditions per place. [2023-11-12 02:21:01,164 INFO L140 encePairwiseOnDemand]: 429/433 looper letters, 30 selfloop transitions, 7 changer transitions 0/43 dead transitions. [2023-11-12 02:21:01,164 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 43 transitions, 436 flow [2023-11-12 02:21:01,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:21:01,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-12 02:21:01,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 821 transitions. [2023-11-12 02:21:01,169 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4740184757505774 [2023-11-12 02:21:01,169 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 821 transitions. [2023-11-12 02:21:01,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 821 transitions. [2023-11-12 02:21:01,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:21:01,170 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 821 transitions. [2023-11-12 02:21:01,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 205.25) internal successors, (821), 4 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:01,177 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 433.0) internal successors, (2165), 5 states have internal predecessors, (2165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:01,178 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 433.0) internal successors, (2165), 5 states have internal predecessors, (2165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:01,178 INFO L175 Difference]: Start difference. First operand has 94 places, 98 transitions, 1081 flow. Second operand 4 states and 821 transitions. [2023-11-12 02:21:01,178 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 43 transitions, 436 flow [2023-11-12 02:21:01,182 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 43 transitions, 334 flow, removed 15 selfloop flow, removed 19 redundant places. [2023-11-12 02:21:01,184 INFO L231 Difference]: Finished difference. Result has 63 places, 36 transitions, 251 flow [2023-11-12 02:21:01,184 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=237, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=251, PETRI_PLACES=63, PETRI_TRANSITIONS=36} [2023-11-12 02:21:01,185 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 30 predicate places. [2023-11-12 02:21:01,185 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 36 transitions, 251 flow [2023-11-12 02:21:01,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 200.25) internal successors, (801), 4 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:01,186 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:21:01,186 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:01,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-12 02:21:01,186 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:21:01,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:01,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1850578685, now seen corresponding path program 1 times [2023-11-12 02:21:01,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:01,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092527968] [2023-11-12 02:21:01,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:01,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:02,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:21:02,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:02,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092527968] [2023-11-12 02:21:02,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092527968] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:02,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:02,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-12 02:21:02,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878852577] [2023-11-12 02:21:02,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:02,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:21:02,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:02,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:21:02,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:21:02,444 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 433 [2023-11-12 02:21:02,446 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 36 transitions, 251 flow. Second operand has 9 states, 9 states have (on average 184.33333333333334) internal successors, (1659), 9 states have internal predecessors, (1659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:02,446 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:21:02,446 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 433 [2023-11-12 02:21:02,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:21:02,836 INFO L124 PetriNetUnfolderBase]: 66/175 cut-off events. [2023-11-12 02:21:02,836 INFO L125 PetriNetUnfolderBase]: For 345/345 co-relation queries the response was YES. [2023-11-12 02:21:02,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 675 conditions, 175 events. 66/175 cut-off events. For 345/345 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 633 event pairs, 20 based on Foata normal form. 3/178 useless extension candidates. Maximal degree in co-relation 652. Up to 80 conditions per place. [2023-11-12 02:21:02,838 INFO L140 encePairwiseOnDemand]: 422/433 looper letters, 40 selfloop transitions, 23 changer transitions 2/65 dead transitions. [2023-11-12 02:21:02,838 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 65 transitions, 500 flow [2023-11-12 02:21:02,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 02:21:02,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-12 02:21:02,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1704 transitions. [2023-11-12 02:21:02,845 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4372594303310239 [2023-11-12 02:21:02,845 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1704 transitions. [2023-11-12 02:21:02,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1704 transitions. [2023-11-12 02:21:02,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:21:02,847 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1704 transitions. [2023-11-12 02:21:02,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 189.33333333333334) internal successors, (1704), 9 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:02,859 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 433.0) internal successors, (4330), 10 states have internal predecessors, (4330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:02,860 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 433.0) internal successors, (4330), 10 states have internal predecessors, (4330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:02,861 INFO L175 Difference]: Start difference. First operand has 63 places, 36 transitions, 251 flow. Second operand 9 states and 1704 transitions. [2023-11-12 02:21:02,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 65 transitions, 500 flow [2023-11-12 02:21:02,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 65 transitions, 459 flow, removed 8 selfloop flow, removed 6 redundant places. [2023-11-12 02:21:02,865 INFO L231 Difference]: Finished difference. Result has 71 places, 46 transitions, 377 flow [2023-11-12 02:21:02,866 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=221, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=377, PETRI_PLACES=71, PETRI_TRANSITIONS=46} [2023-11-12 02:21:02,866 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 38 predicate places. [2023-11-12 02:21:02,866 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 46 transitions, 377 flow [2023-11-12 02:21:02,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 184.33333333333334) internal successors, (1659), 9 states have internal predecessors, (1659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:02,867 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:21:02,867 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:02,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-12 02:21:02,868 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:21:02,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:02,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1128133878, now seen corresponding path program 1 times [2023-11-12 02:21:02,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:02,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403148531] [2023-11-12 02:21:02,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:02,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:03,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:21:03,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:03,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403148531] [2023-11-12 02:21:03,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403148531] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:03,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:03,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-12 02:21:03,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356895573] [2023-11-12 02:21:03,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:03,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-12 02:21:03,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:03,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-12 02:21:03,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:21:04,533 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 433 [2023-11-12 02:21:04,535 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 46 transitions, 377 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) [2023-11-12 02:21:04,535 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:21:04,535 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 433 [2023-11-12 02:21:04,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:21:04,986 INFO L124 PetriNetUnfolderBase]: 77/202 cut-off events. [2023-11-12 02:21:04,986 INFO L125 PetriNetUnfolderBase]: For 492/492 co-relation queries the response was YES. [2023-11-12 02:21:04,987 INFO L83 FinitePrefix]: Finished finitePrefix Result has 824 conditions, 202 events. 77/202 cut-off events. For 492/492 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 783 event pairs, 11 based on Foata normal form. 6/208 useless extension candidates. Maximal degree in co-relation 798. Up to 79 conditions per place. [2023-11-12 02:21:04,989 INFO L140 encePairwiseOnDemand]: 420/433 looper letters, 43 selfloop transitions, 28 changer transitions 2/73 dead transitions. [2023-11-12 02:21:04,989 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 73 transitions, 612 flow [2023-11-12 02:21:04,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-12 02:21:04,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-12 02:21:04,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2257 transitions. [2023-11-12 02:21:04,999 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4343725943033102 [2023-11-12 02:21:04,999 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2257 transitions. [2023-11-12 02:21:04,999 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2257 transitions. [2023-11-12 02:21:05,001 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:21:05,001 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2257 transitions. [2023-11-12 02:21:05,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 188.08333333333334) internal successors, (2257), 12 states have internal predecessors, (2257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:05,017 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 433.0) internal successors, (5629), 13 states have internal predecessors, (5629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:05,019 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 433.0) internal successors, (5629), 13 states have internal predecessors, (5629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:05,019 INFO L175 Difference]: Start difference. First operand has 71 places, 46 transitions, 377 flow. Second operand 12 states and 2257 transitions. [2023-11-12 02:21:05,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 73 transitions, 612 flow [2023-11-12 02:21:05,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 73 transitions, 572 flow, removed 7 selfloop flow, removed 4 redundant places. [2023-11-12 02:21:05,028 INFO L231 Difference]: Finished difference. Result has 82 places, 50 transitions, 459 flow [2023-11-12 02:21:05,028 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=319, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=459, PETRI_PLACES=82, PETRI_TRANSITIONS=50} [2023-11-12 02:21:05,031 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 49 predicate places. [2023-11-12 02:21:05,031 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 50 transitions, 459 flow [2023-11-12 02:21:05,032 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) [2023-11-12 02:21:05,032 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:21:05,032 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:05,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-12 02:21:05,032 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:21:05,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:05,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1656988907, now seen corresponding path program 1 times [2023-11-12 02:21:05,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:05,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68618359] [2023-11-12 02:21:05,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:05,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:05,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:21:05,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:05,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68618359] [2023-11-12 02:21:05,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68618359] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:05,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:05,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-12 02:21:05,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503303663] [2023-11-12 02:21:05,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:05,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:21:05,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:05,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:21:05,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:21:06,223 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 433 [2023-11-12 02:21:06,225 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 50 transitions, 459 flow. Second operand has 9 states, 9 states have (on average 184.33333333333334) internal successors, (1659), 9 states have internal predecessors, (1659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:06,225 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:21:06,225 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 433 [2023-11-12 02:21:06,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:21:06,482 INFO L124 PetriNetUnfolderBase]: 78/209 cut-off events. [2023-11-12 02:21:06,482 INFO L125 PetriNetUnfolderBase]: For 773/773 co-relation queries the response was YES. [2023-11-12 02:21:06,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 934 conditions, 209 events. 78/209 cut-off events. For 773/773 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 849 event pairs, 22 based on Foata normal form. 2/211 useless extension candidates. Maximal degree in co-relation 907. Up to 87 conditions per place. [2023-11-12 02:21:06,484 INFO L140 encePairwiseOnDemand]: 425/433 looper letters, 51 selfloop transitions, 16 changer transitions 6/73 dead transitions. [2023-11-12 02:21:06,485 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 73 transitions, 729 flow [2023-11-12 02:21:06,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-12 02:21:06,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-12 02:21:06,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1509 transitions. [2023-11-12 02:21:06,491 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43562355658198615 [2023-11-12 02:21:06,491 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1509 transitions. [2023-11-12 02:21:06,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1509 transitions. [2023-11-12 02:21:06,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:21:06,493 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1509 transitions. [2023-11-12 02:21:06,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 188.625) internal successors, (1509), 8 states have internal predecessors, (1509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:06,503 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 433.0) internal successors, (3897), 9 states have internal predecessors, (3897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:06,504 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 433.0) internal successors, (3897), 9 states have internal predecessors, (3897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:06,504 INFO L175 Difference]: Start difference. First operand has 82 places, 50 transitions, 459 flow. Second operand 8 states and 1509 transitions. [2023-11-12 02:21:06,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 73 transitions, 729 flow [2023-11-12 02:21:06,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 73 transitions, 679 flow, removed 10 selfloop flow, removed 7 redundant places. [2023-11-12 02:21:06,512 INFO L231 Difference]: Finished difference. Result has 83 places, 53 transitions, 507 flow [2023-11-12 02:21:06,512 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=411, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=507, PETRI_PLACES=83, PETRI_TRANSITIONS=53} [2023-11-12 02:21:06,513 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 50 predicate places. [2023-11-12 02:21:06,514 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 53 transitions, 507 flow [2023-11-12 02:21:06,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 184.33333333333334) internal successors, (1659), 9 states have internal predecessors, (1659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:06,514 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:21:06,514 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:06,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-12 02:21:06,515 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:21:06,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:06,515 INFO L85 PathProgramCache]: Analyzing trace with hash 542219779, now seen corresponding path program 2 times [2023-11-12 02:21:06,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:06,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248750380] [2023-11-12 02:21:06,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:06,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:06,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:21:06,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:06,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248750380] [2023-11-12 02:21:06,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248750380] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:06,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:06,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:21:06,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113003474] [2023-11-12 02:21:06,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:06,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:21:06,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:06,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:21:06,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:21:07,356 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 433 [2023-11-12 02:21:07,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 53 transitions, 507 flow. Second operand has 7 states, 7 states have (on average 190.42857142857142) internal successors, (1333), 7 states have internal predecessors, (1333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:07,358 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:21:07,358 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 433 [2023-11-12 02:21:07,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:21:07,602 INFO L124 PetriNetUnfolderBase]: 58/179 cut-off events. [2023-11-12 02:21:07,602 INFO L125 PetriNetUnfolderBase]: For 671/675 co-relation queries the response was YES. [2023-11-12 02:21:07,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 846 conditions, 179 events. 58/179 cut-off events. For 671/675 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 740 event pairs, 13 based on Foata normal form. 7/184 useless extension candidates. Maximal degree in co-relation 816. Up to 63 conditions per place. [2023-11-12 02:21:07,604 INFO L140 encePairwiseOnDemand]: 422/433 looper letters, 29 selfloop transitions, 31 changer transitions 2/68 dead transitions. [2023-11-12 02:21:07,605 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 68 transitions, 668 flow [2023-11-12 02:21:07,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-12 02:21:07,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-12 02:21:07,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1748 transitions. [2023-11-12 02:21:07,613 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4485501667949705 [2023-11-12 02:21:07,613 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1748 transitions. [2023-11-12 02:21:07,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1748 transitions. [2023-11-12 02:21:07,615 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:21:07,615 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1748 transitions. [2023-11-12 02:21:07,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 194.22222222222223) internal successors, (1748), 9 states have internal predecessors, (1748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:07,627 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 433.0) internal successors, (4330), 10 states have internal predecessors, (4330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:07,628 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 433.0) internal successors, (4330), 10 states have internal predecessors, (4330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:07,629 INFO L175 Difference]: Start difference. First operand has 83 places, 53 transitions, 507 flow. Second operand 9 states and 1748 transitions. [2023-11-12 02:21:07,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 68 transitions, 668 flow [2023-11-12 02:21:07,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 68 transitions, 615 flow, removed 3 selfloop flow, removed 8 redundant places. [2023-11-12 02:21:07,642 INFO L231 Difference]: Finished difference. Result has 83 places, 52 transitions, 504 flow [2023-11-12 02:21:07,642 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=435, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=504, PETRI_PLACES=83, PETRI_TRANSITIONS=52} [2023-11-12 02:21:07,643 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 50 predicate places. [2023-11-12 02:21:07,643 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 52 transitions, 504 flow [2023-11-12 02:21:07,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 190.42857142857142) internal successors, (1333), 7 states have internal predecessors, (1333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:07,644 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:21:07,644 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:07,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-12 02:21:07,645 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:21:07,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:07,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1656988791, now seen corresponding path program 1 times [2023-11-12 02:21:07,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:07,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465384640] [2023-11-12 02:21:07,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:07,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:08,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:21:08,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:08,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465384640] [2023-11-12 02:21:08,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465384640] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:08,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:08,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-12 02:21:08,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316366492] [2023-11-12 02:21:08,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:08,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-12 02:21:08,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:08,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-12 02:21:08,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:21:09,176 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 433 [2023-11-12 02:21:09,178 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 52 transitions, 504 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) [2023-11-12 02:21:09,178 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:21:09,178 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 433 [2023-11-12 02:21:09,178 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:21:09,605 INFO L124 PetriNetUnfolderBase]: 70/194 cut-off events. [2023-11-12 02:21:09,606 INFO L125 PetriNetUnfolderBase]: For 615/615 co-relation queries the response was YES. [2023-11-12 02:21:09,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 898 conditions, 194 events. 70/194 cut-off events. For 615/615 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 766 event pairs, 33 based on Foata normal form. 2/196 useless extension candidates. Maximal degree in co-relation 870. Up to 148 conditions per place. [2023-11-12 02:21:09,609 INFO L140 encePairwiseOnDemand]: 423/433 looper letters, 40 selfloop transitions, 11 changer transitions 13/64 dead transitions. [2023-11-12 02:21:09,609 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 64 transitions, 664 flow [2023-11-12 02:21:09,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-12 02:21:09,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-12 02:21:09,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1873 transitions. [2023-11-12 02:21:09,614 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4325635103926097 [2023-11-12 02:21:09,614 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1873 transitions. [2023-11-12 02:21:09,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1873 transitions. [2023-11-12 02:21:09,615 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:21:09,615 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1873 transitions. [2023-11-12 02:21:09,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 187.3) internal successors, (1873), 10 states have internal predecessors, (1873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:09,627 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 433.0) internal successors, (4763), 11 states have internal predecessors, (4763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:09,629 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 433.0) internal successors, (4763), 11 states have internal predecessors, (4763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:09,629 INFO L175 Difference]: Start difference. First operand has 83 places, 52 transitions, 504 flow. Second operand 10 states and 1873 transitions. [2023-11-12 02:21:09,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 64 transitions, 664 flow [2023-11-12 02:21:09,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 64 transitions, 600 flow, removed 6 selfloop flow, removed 9 redundant places. [2023-11-12 02:21:09,636 INFO L231 Difference]: Finished difference. Result has 82 places, 44 transitions, 408 flow [2023-11-12 02:21:09,636 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=431, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=408, PETRI_PLACES=82, PETRI_TRANSITIONS=44} [2023-11-12 02:21:09,637 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 49 predicate places. [2023-11-12 02:21:09,637 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 44 transitions, 408 flow [2023-11-12 02:21:09,638 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) [2023-11-12 02:21:09,638 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:21:09,638 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:09,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-12 02:21:09,639 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:21:09,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:09,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1164231007, now seen corresponding path program 3 times [2023-11-12 02:21:09,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:09,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360510465] [2023-11-12 02:21:09,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:09,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:10,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:21:10,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:10,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360510465] [2023-11-12 02:21:10,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360510465] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:10,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:10,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-12 02:21:10,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574342028] [2023-11-12 02:21:10,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:10,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-12 02:21:10,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:10,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-12 02:21:10,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:21:11,061 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 433 [2023-11-12 02:21:11,063 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 44 transitions, 408 flow. Second operand has 11 states, 11 states have (on average 183.0909090909091) internal successors, (2014), 11 states have internal predecessors, (2014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:11,063 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:21:11,064 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 433 [2023-11-12 02:21:11,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:21:11,393 INFO L124 PetriNetUnfolderBase]: 54/148 cut-off events. [2023-11-12 02:21:11,393 INFO L125 PetriNetUnfolderBase]: For 378/378 co-relation queries the response was YES. [2023-11-12 02:21:11,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 691 conditions, 148 events. 54/148 cut-off events. For 378/378 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 507 event pairs, 3 based on Foata normal form. 3/151 useless extension candidates. Maximal degree in co-relation 667. Up to 35 conditions per place. [2023-11-12 02:21:11,395 INFO L140 encePairwiseOnDemand]: 423/433 looper letters, 29 selfloop transitions, 31 changer transitions 0/60 dead transitions. [2023-11-12 02:21:11,395 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 60 transitions, 594 flow [2023-11-12 02:21:11,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-12 02:21:11,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-12 02:21:11,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1860 transitions. [2023-11-12 02:21:11,400 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4295612009237875 [2023-11-12 02:21:11,400 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1860 transitions. [2023-11-12 02:21:11,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1860 transitions. [2023-11-12 02:21:11,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:21:11,401 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1860 transitions. [2023-11-12 02:21:11,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 186.0) internal successors, (1860), 10 states have internal predecessors, (1860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:11,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 433.0) internal successors, (4763), 11 states have internal predecessors, (4763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:11,416 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 433.0) internal successors, (4763), 11 states have internal predecessors, (4763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:11,416 INFO L175 Difference]: Start difference. First operand has 82 places, 44 transitions, 408 flow. Second operand 10 states and 1860 transitions. [2023-11-12 02:21:11,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 60 transitions, 594 flow [2023-11-12 02:21:11,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 60 transitions, 541 flow, removed 6 selfloop flow, removed 9 redundant places. [2023-11-12 02:21:11,421 INFO L231 Difference]: Finished difference. Result has 73 places, 46 transitions, 484 flow [2023-11-12 02:21:11,422 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=351, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=484, PETRI_PLACES=73, PETRI_TRANSITIONS=46} [2023-11-12 02:21:11,422 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 40 predicate places. [2023-11-12 02:21:11,422 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 46 transitions, 484 flow [2023-11-12 02:21:11,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 183.0909090909091) internal successors, (2014), 11 states have internal predecessors, (2014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:11,423 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:21:11,423 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:11,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-12 02:21:11,424 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:21:11,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:11,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1164230966, now seen corresponding path program 2 times [2023-11-12 02:21:11,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:11,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262159923] [2023-11-12 02:21:11,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:11,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:11,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:12,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:21:12,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:12,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262159923] [2023-11-12 02:21:12,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262159923] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:12,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:12,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-12 02:21:12,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921622615] [2023-11-12 02:21:12,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:12,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-12 02:21:12,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:12,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-12 02:21:12,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:21:13,005 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 433 [2023-11-12 02:21:13,007 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 46 transitions, 484 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) [2023-11-12 02:21:13,008 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:21:13,008 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 433 [2023-11-12 02:21:13,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:21:13,342 INFO L124 PetriNetUnfolderBase]: 52/141 cut-off events. [2023-11-12 02:21:13,342 INFO L125 PetriNetUnfolderBase]: For 475/475 co-relation queries the response was YES. [2023-11-12 02:21:13,343 INFO L83 FinitePrefix]: Finished finitePrefix Result has 706 conditions, 141 events. 52/141 cut-off events. For 475/475 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 482 event pairs, 3 based on Foata normal form. 3/144 useless extension candidates. Maximal degree in co-relation 682. Up to 30 conditions per place. [2023-11-12 02:21:13,344 INFO L140 encePairwiseOnDemand]: 423/433 looper letters, 29 selfloop transitions, 29 changer transitions 0/58 dead transitions. [2023-11-12 02:21:13,345 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 58 transitions, 619 flow [2023-11-12 02:21:13,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-12 02:21:13,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-12 02:21:13,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1869 transitions. [2023-11-12 02:21:13,351 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43163972286374136 [2023-11-12 02:21:13,351 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1869 transitions. [2023-11-12 02:21:13,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1869 transitions. [2023-11-12 02:21:13,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:21:13,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1869 transitions. [2023-11-12 02:21:13,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 186.9) internal successors, (1869), 10 states have internal predecessors, (1869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:13,362 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 433.0) internal successors, (4763), 11 states have internal predecessors, (4763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:13,364 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 433.0) internal successors, (4763), 11 states have internal predecessors, (4763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:13,364 INFO L175 Difference]: Start difference. First operand has 73 places, 46 transitions, 484 flow. Second operand 10 states and 1869 transitions. [2023-11-12 02:21:13,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 58 transitions, 619 flow [2023-11-12 02:21:13,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 58 transitions, 561 flow, removed 9 selfloop flow, removed 6 redundant places. [2023-11-12 02:21:13,371 INFO L231 Difference]: Finished difference. Result has 76 places, 44 transitions, 462 flow [2023-11-12 02:21:13,371 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=433, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=462, PETRI_PLACES=76, PETRI_TRANSITIONS=44} [2023-11-12 02:21:13,371 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 43 predicate places. [2023-11-12 02:21:13,372 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 44 transitions, 462 flow [2023-11-12 02:21:13,372 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) [2023-11-12 02:21:13,373 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:21:13,373 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:13,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-12 02:21:13,373 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:21:13,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:13,374 INFO L85 PathProgramCache]: Analyzing trace with hash -561840879, now seen corresponding path program 1 times [2023-11-12 02:21:13,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:13,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657206502] [2023-11-12 02:21:13,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:13,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:14,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:21:14,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:14,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657206502] [2023-11-12 02:21:14,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657206502] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:14,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:14,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-12 02:21:14,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286789265] [2023-11-12 02:21:14,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:14,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-12 02:21:14,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:14,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-12 02:21:14,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156