./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b 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_31e2ab0e-2f72-4f2b-9416-b7f66fa03267/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e2ab0e-2f72-4f2b-9416-b7f66fa03267/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e2ab0e-2f72-4f2b-9416-b7f66fa03267/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e2ab0e-2f72-4f2b-9416-b7f66fa03267/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e2ab0e-2f72-4f2b-9416-b7f66fa03267/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e2ab0e-2f72-4f2b-9416-b7f66fa03267/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 02b1c265b98bd14cc97fe77543b4e06699576e2091fa3d4102d013e6b3937418 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:32:43,458 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:32:43,611 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e2ab0e-2f72-4f2b-9416-b7f66fa03267/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-06 22:32:43,623 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:32:43,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:32:43,675 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:32:43,677 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:32:43,678 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:32:43,680 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:32:43,687 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:32:43,689 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:32:43,689 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:32:43,690 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:32:43,692 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:32:43,693 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:32:43,694 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:32:43,694 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:32:43,695 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:32:43,695 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:32:43,696 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:32:43,696 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:32:43,697 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:32:43,698 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:32:43,698 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:32:43,699 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:32:43,699 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:32:43,700 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:32:43,701 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:32:43,702 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:32:43,704 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:32:43,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:32:43,707 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:32:43,707 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:32:43,707 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:32:43,708 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:32:43,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:32:43,708 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:32:43,709 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:32:43,709 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:32:43,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:32:43,710 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:32:43,710 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_31e2ab0e-2f72-4f2b-9416-b7f66fa03267/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e2ab0e-2f72-4f2b-9416-b7f66fa03267/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02b1c265b98bd14cc97fe77543b4e06699576e2091fa3d4102d013e6b3937418 [2023-11-06 22:32:44,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:32:44,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:32:44,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:32:44,169 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:32:44,170 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:32:44,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e2ab0e-2f72-4f2b-9416-b7f66fa03267/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2023-11-06 22:32:47,715 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:32:48,172 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:32:48,176 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e2ab0e-2f72-4f2b-9416-b7f66fa03267/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2023-11-06 22:32:48,218 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e2ab0e-2f72-4f2b-9416-b7f66fa03267/bin/uautomizer-verify-WvqO1wxjHP/data/df9a20755/88fbf7266ebe4da29890305505e0e63d/FLAG5fe537580 [2023-11-06 22:32:48,246 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e2ab0e-2f72-4f2b-9416-b7f66fa03267/bin/uautomizer-verify-WvqO1wxjHP/data/df9a20755/88fbf7266ebe4da29890305505e0e63d [2023-11-06 22:32:48,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:32:48,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:32:48,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:32:48,267 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:32:48,275 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:32:48,276 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:32:48" (1/1) ... [2023-11-06 22:32:48,277 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20a37075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:32:48, skipping insertion in model container [2023-11-06 22:32:48,277 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:32:48" (1/1) ... [2023-11-06 22:32:48,392 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:32:48,637 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:32:49,497 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:32:49,524 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:32:49,543 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:32:49,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:32:49,842 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:32:49,842 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:32:49,842 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:32:49,851 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:32:49,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:32:49 WrapperNode [2023-11-06 22:32:49,852 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:32:49,854 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:32:49,854 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:32:49,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:32:49,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:32:49" (1/1) ... [2023-11-06 22:32:49,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:32:49" (1/1) ... [2023-11-06 22:32:49,976 INFO L138 Inliner]: procedures = 468, calls = 53, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 153 [2023-11-06 22:32:49,976 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:32:49,998 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:32:49,999 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:32:49,999 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:32:50,009 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:32:49" (1/1) ... [2023-11-06 22:32:50,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:32:49" (1/1) ... [2023-11-06 22:32:50,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:32:49" (1/1) ... [2023-11-06 22:32:50,030 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:32:49" (1/1) ... [2023-11-06 22:32:50,067 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:32:49" (1/1) ... [2023-11-06 22:32:50,070 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:32:49" (1/1) ... [2023-11-06 22:32:50,076 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:32:49" (1/1) ... [2023-11-06 22:32:50,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:32:49" (1/1) ... [2023-11-06 22:32:50,104 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:32:50,105 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:32:50,105 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:32:50,105 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:32:50,107 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:32:49" (1/1) ... [2023-11-06 22:32:50,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:32:50,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e2ab0e-2f72-4f2b-9416-b7f66fa03267/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:32:50,166 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e2ab0e-2f72-4f2b-9416-b7f66fa03267/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:32:50,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e2ab0e-2f72-4f2b-9416-b7f66fa03267/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:32:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 22:32:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:32:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 22:32:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:32:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:32:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:32:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:32:50,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:32:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-06 22:32:50,221 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-06 22:32:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:32:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:32:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:32:50,223 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:32:50,552 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:32:50,554 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:32:50,877 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:32:50,915 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:32:50,916 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:32:50,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:32:50 BoogieIcfgContainer [2023-11-06 22:32:50,923 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:32:50,926 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:32:50,926 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:32:50,930 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:32:50,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:32:48" (1/3) ... [2023-11-06 22:32:50,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aa7c62c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:32:50, skipping insertion in model container [2023-11-06 22:32:50,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:32:49" (2/3) ... [2023-11-06 22:32:50,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aa7c62c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:32:50, skipping insertion in model container [2023-11-06 22:32:50,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:32:50" (3/3) ... [2023-11-06 22:32:50,939 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2023-11-06 22:32:50,950 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:32:50,963 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:32:50,964 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-06 22:32:50,964 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:32:51,093 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-06 22:32:51,144 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 208 places, 216 transitions, 446 flow [2023-11-06 22:32:51,327 INFO L124 PetriNetUnfolderBase]: 18/270 cut-off events. [2023-11-06 22:32:51,327 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-06 22:32:51,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 270 events. 18/270 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 499 event pairs, 0 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 153. Up to 4 conditions per place. [2023-11-06 22:32:51,337 INFO L82 GeneralOperation]: Start removeDead. Operand has 208 places, 216 transitions, 446 flow [2023-11-06 22:32:51,354 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 170 places, 171 transitions, 351 flow [2023-11-06 22:32:51,360 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:32:51,384 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 170 places, 171 transitions, 351 flow [2023-11-06 22:32:51,388 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 170 places, 171 transitions, 351 flow [2023-11-06 22:32:51,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 170 places, 171 transitions, 351 flow [2023-11-06 22:32:51,437 INFO L124 PetriNetUnfolderBase]: 8/171 cut-off events. [2023-11-06 22:32:51,437 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-06 22:32:51,438 INFO L83 FinitePrefix]: Finished finitePrefix Result has 179 conditions, 171 events. 8/171 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 203 event pairs, 0 based on Foata normal form. 0/158 useless extension candidates. Maximal degree in co-relation 95. Up to 2 conditions per place. [2023-11-06 22:32:51,444 INFO L119 LiptonReduction]: Number of co-enabled transitions 4004 [2023-11-06 22:33:07,477 INFO L134 LiptonReduction]: Checked pairs total: 8417 [2023-11-06 22:33:07,477 INFO L136 LiptonReduction]: Total number of compositions: 196 [2023-11-06 22:33:07,495 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:33:07,501 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@27523e92, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:33:07,502 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-06 22:33:07,506 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:33:07,506 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2023-11-06 22:33:07,506 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:33:07,507 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:07,507 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-11-06 22:33:07,508 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:07,513 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:07,513 INFO L85 PathProgramCache]: Analyzing trace with hash 22771610, now seen corresponding path program 1 times [2023-11-06 22:33:07,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:07,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782650178] [2023-11-06 22:33:07,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:07,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:08,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:08,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:08,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782650178] [2023-11-06 22:33:08,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782650178] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:08,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:08,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:33:08,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583178614] [2023-11-06 22:33:08,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:08,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:33:08,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:08,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:33:08,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:33:08,843 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 412 [2023-11-06 22:33:08,848 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 25 transitions, 59 flow. Second operand has 4 states, 4 states have (on average 177.0) internal successors, (708), 4 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:08,848 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:08,848 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 412 [2023-11-06 22:33:08,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:09,085 INFO L124 PetriNetUnfolderBase]: 103/204 cut-off events. [2023-11-06 22:33:09,085 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2023-11-06 22:33:09,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 426 conditions, 204 events. 103/204 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 725 event pairs, 100 based on Foata normal form. 0/150 useless extension candidates. Maximal degree in co-relation 368. Up to 195 conditions per place. [2023-11-06 22:33:09,095 INFO L140 encePairwiseOnDemand]: 405/412 looper letters, 17 selfloop transitions, 5 changer transitions 0/23 dead transitions. [2023-11-06 22:33:09,095 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 23 transitions, 99 flow [2023-11-06 22:33:09,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:33:09,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-06 22:33:09,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 729 transitions. [2023-11-06 22:33:09,133 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44235436893203883 [2023-11-06 22:33:09,134 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 729 transitions. [2023-11-06 22:33:09,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 729 transitions. [2023-11-06 22:33:09,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:09,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 729 transitions. [2023-11-06 22:33:09,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 182.25) internal successors, (729), 4 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:09,163 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 412.0) internal successors, (2060), 5 states have internal predecessors, (2060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:09,165 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 412.0) internal successors, (2060), 5 states have internal predecessors, (2060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:09,168 INFO L175 Difference]: Start difference. First operand has 30 places, 25 transitions, 59 flow. Second operand 4 states and 729 transitions. [2023-11-06 22:33:09,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 23 transitions, 99 flow [2023-11-06 22:33:09,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 23 transitions, 94 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-06 22:33:09,176 INFO L231 Difference]: Finished difference. Result has 27 places, 22 transitions, 74 flow [2023-11-06 22:33:09,178 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=74, PETRI_PLACES=27, PETRI_TRANSITIONS=22} [2023-11-06 22:33:09,186 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, -3 predicate places. [2023-11-06 22:33:09,186 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 22 transitions, 74 flow [2023-11-06 22:33:09,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 177.0) internal successors, (708), 4 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:09,188 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:09,188 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 22:33:09,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:33:09,189 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:09,192 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:09,192 INFO L85 PathProgramCache]: Analyzing trace with hash 705883084, now seen corresponding path program 1 times [2023-11-06 22:33:09,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:09,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207101403] [2023-11-06 22:33:09,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:09,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:09,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:09,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:09,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207101403] [2023-11-06 22:33:09,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207101403] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:09,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:09,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:33:09,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594001172] [2023-11-06 22:33:09,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:09,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:33:09,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:09,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:33:09,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:33:10,115 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 412 [2023-11-06 22:33:10,116 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 22 transitions, 74 flow. Second operand has 5 states, 5 states have (on average 176.0) internal successors, (880), 5 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:10,116 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:10,117 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 412 [2023-11-06 22:33:10,117 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:10,360 INFO L124 PetriNetUnfolderBase]: 135/257 cut-off events. [2023-11-06 22:33:10,360 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2023-11-06 22:33:10,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 606 conditions, 257 events. 135/257 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1013 event pairs, 38 based on Foata normal form. 11/219 useless extension candidates. Maximal degree in co-relation 497. Up to 112 conditions per place. [2023-11-06 22:33:10,367 INFO L140 encePairwiseOnDemand]: 404/412 looper letters, 28 selfloop transitions, 10 changer transitions 4/43 dead transitions. [2023-11-06 22:33:10,367 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 43 transitions, 214 flow [2023-11-06 22:33:10,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:33:10,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-06 22:33:10,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 742 transitions. [2023-11-06 22:33:10,373 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45024271844660196 [2023-11-06 22:33:10,373 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 742 transitions. [2023-11-06 22:33:10,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 742 transitions. [2023-11-06 22:33:10,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:10,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 742 transitions. [2023-11-06 22:33:10,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 185.5) internal successors, (742), 4 states have internal predecessors, (742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:10,388 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 412.0) internal successors, (2060), 5 states have internal predecessors, (2060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:10,390 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 412.0) internal successors, (2060), 5 states have internal predecessors, (2060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:10,391 INFO L175 Difference]: Start difference. First operand has 27 places, 22 transitions, 74 flow. Second operand 4 states and 742 transitions. [2023-11-06 22:33:10,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 43 transitions, 214 flow [2023-11-06 22:33:10,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 43 transitions, 214 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:33:10,399 INFO L231 Difference]: Finished difference. Result has 32 places, 26 transitions, 128 flow [2023-11-06 22:33:10,399 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=128, PETRI_PLACES=32, PETRI_TRANSITIONS=26} [2023-11-06 22:33:10,408 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 2 predicate places. [2023-11-06 22:33:10,408 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 26 transitions, 128 flow [2023-11-06 22:33:10,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 176.0) internal successors, (880), 5 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:10,409 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:10,410 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 22:33:10,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:33:10,410 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:10,415 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:10,415 INFO L85 PathProgramCache]: Analyzing trace with hash 705922144, now seen corresponding path program 2 times [2023-11-06 22:33:10,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:10,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451627212] [2023-11-06 22:33:10,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:10,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:10,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:10,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:10,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:10,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451627212] [2023-11-06 22:33:10,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451627212] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:10,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:10,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:33:10,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807673228] [2023-11-06 22:33:10,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:10,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:33:10,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:10,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:33:10,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:33:11,071 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 412 [2023-11-06 22:33:11,073 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 26 transitions, 128 flow. Second operand has 5 states, 5 states have (on average 176.0) internal successors, (880), 5 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:11,074 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:11,074 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 412 [2023-11-06 22:33:11,074 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:11,290 INFO L124 PetriNetUnfolderBase]: 122/234 cut-off events. [2023-11-06 22:33:11,290 INFO L125 PetriNetUnfolderBase]: For 158/158 co-relation queries the response was YES. [2023-11-06 22:33:11,291 INFO L83 FinitePrefix]: Finished finitePrefix Result has 694 conditions, 234 events. 122/234 cut-off events. For 158/158 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 917 event pairs, 35 based on Foata normal form. 3/191 useless extension candidates. Maximal degree in co-relation 601. Up to 89 conditions per place. [2023-11-06 22:33:11,293 INFO L140 encePairwiseOnDemand]: 405/412 looper letters, 29 selfloop transitions, 11 changer transitions 2/43 dead transitions. [2023-11-06 22:33:11,293 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 43 transitions, 267 flow [2023-11-06 22:33:11,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:33:11,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-06 22:33:11,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 740 transitions. [2023-11-06 22:33:11,297 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44902912621359226 [2023-11-06 22:33:11,297 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 740 transitions. [2023-11-06 22:33:11,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 740 transitions. [2023-11-06 22:33:11,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:11,299 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 740 transitions. [2023-11-06 22:33:11,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 185.0) internal successors, (740), 4 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:11,306 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 412.0) internal successors, (2060), 5 states have internal predecessors, (2060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:11,308 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 412.0) internal successors, (2060), 5 states have internal predecessors, (2060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:11,309 INFO L175 Difference]: Start difference. First operand has 32 places, 26 transitions, 128 flow. Second operand 4 states and 740 transitions. [2023-11-06 22:33:11,309 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 43 transitions, 267 flow [2023-11-06 22:33:11,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 43 transitions, 258 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-06 22:33:11,315 INFO L231 Difference]: Finished difference. Result has 35 places, 28 transitions, 166 flow [2023-11-06 22:33:11,315 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=166, PETRI_PLACES=35, PETRI_TRANSITIONS=28} [2023-11-06 22:33:11,317 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 5 predicate places. [2023-11-06 22:33:11,317 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 28 transitions, 166 flow [2023-11-06 22:33:11,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 176.0) internal successors, (880), 5 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:11,319 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:11,319 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:33:11,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:33:11,324 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:11,325 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:11,325 INFO L85 PathProgramCache]: Analyzing trace with hash 407381138, now seen corresponding path program 1 times [2023-11-06 22:33:11,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:11,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015038181] [2023-11-06 22:33:11,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:11,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:11,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:11,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:11,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:11,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015038181] [2023-11-06 22:33:11,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015038181] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:11,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:11,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:33:11,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787488040] [2023-11-06 22:33:11,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:11,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:33:11,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:11,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:33:11,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:33:11,917 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 412 [2023-11-06 22:33:11,918 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 28 transitions, 166 flow. Second operand has 5 states, 5 states have (on average 176.2) internal successors, (881), 5 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:11,919 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:11,919 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 412 [2023-11-06 22:33:11,919 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:12,070 INFO L124 PetriNetUnfolderBase]: 92/184 cut-off events. [2023-11-06 22:33:12,071 INFO L125 PetriNetUnfolderBase]: For 269/269 co-relation queries the response was YES. [2023-11-06 22:33:12,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 615 conditions, 184 events. 92/184 cut-off events. For 269/269 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 644 event pairs, 27 based on Foata normal form. 0/162 useless extension candidates. Maximal degree in co-relation 507. Up to 80 conditions per place. [2023-11-06 22:33:12,073 INFO L140 encePairwiseOnDemand]: 405/412 looper letters, 27 selfloop transitions, 11 changer transitions 2/41 dead transitions. [2023-11-06 22:33:12,073 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 41 transitions, 299 flow [2023-11-06 22:33:12,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:33:12,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-06 22:33:12,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 736 transitions. [2023-11-06 22:33:12,077 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44660194174757284 [2023-11-06 22:33:12,078 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 736 transitions. [2023-11-06 22:33:12,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 736 transitions. [2023-11-06 22:33:12,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:12,079 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 736 transitions. [2023-11-06 22:33:12,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 184.0) internal successors, (736), 4 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:12,085 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 412.0) internal successors, (2060), 5 states have internal predecessors, (2060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:12,087 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 412.0) internal successors, (2060), 5 states have internal predecessors, (2060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:12,087 INFO L175 Difference]: Start difference. First operand has 35 places, 28 transitions, 166 flow. Second operand 4 states and 736 transitions. [2023-11-06 22:33:12,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 41 transitions, 299 flow [2023-11-06 22:33:12,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 41 transitions, 280 flow, removed 6 selfloop flow, removed 1 redundant places. [2023-11-06 22:33:12,091 INFO L231 Difference]: Finished difference. Result has 39 places, 30 transitions, 213 flow [2023-11-06 22:33:12,091 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=213, PETRI_PLACES=39, PETRI_TRANSITIONS=30} [2023-11-06 22:33:12,092 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 9 predicate places. [2023-11-06 22:33:12,092 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 30 transitions, 213 flow [2023-11-06 22:33:12,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 176.2) internal successors, (881), 5 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:12,093 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:12,094 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:12,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:33:12,094 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:12,095 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:12,095 INFO L85 PathProgramCache]: Analyzing trace with hash -256080811, now seen corresponding path program 1 times [2023-11-06 22:33:12,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:12,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586289536] [2023-11-06 22:33:12,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:12,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:12,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:12,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:12,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586289536] [2023-11-06 22:33:12,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586289536] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:12,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:12,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:33:12,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844066391] [2023-11-06 22:33:12,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:12,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:33:12,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:12,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:33:12,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:33:12,724 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 412 [2023-11-06 22:33:12,726 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 30 transitions, 213 flow. Second operand has 6 states, 6 states have (on average 174.16666666666666) internal successors, (1045), 6 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:12,726 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:12,726 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 412 [2023-11-06 22:33:12,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:12,926 INFO L124 PetriNetUnfolderBase]: 80/164 cut-off events. [2023-11-06 22:33:12,926 INFO L125 PetriNetUnfolderBase]: For 416/416 co-relation queries the response was YES. [2023-11-06 22:33:12,927 INFO L83 FinitePrefix]: Finished finitePrefix Result has 616 conditions, 164 events. 80/164 cut-off events. For 416/416 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 553 event pairs, 17 based on Foata normal form. 4/158 useless extension candidates. Maximal degree in co-relation 493. Up to 76 conditions per place. [2023-11-06 22:33:12,928 INFO L140 encePairwiseOnDemand]: 406/412 looper letters, 26 selfloop transitions, 11 changer transitions 2/40 dead transitions. [2023-11-06 22:33:12,928 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 40 transitions, 325 flow [2023-11-06 22:33:12,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:33:12,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-06 22:33:12,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 726 transitions. [2023-11-06 22:33:12,932 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4405339805825243 [2023-11-06 22:33:12,932 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 726 transitions. [2023-11-06 22:33:12,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 726 transitions. [2023-11-06 22:33:12,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:12,934 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 726 transitions. [2023-11-06 22:33:12,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 181.5) internal successors, (726), 4 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:12,941 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 412.0) internal successors, (2060), 5 states have internal predecessors, (2060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:12,942 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 412.0) internal successors, (2060), 5 states have internal predecessors, (2060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:12,942 INFO L175 Difference]: Start difference. First operand has 39 places, 30 transitions, 213 flow. Second operand 4 states and 726 transitions. [2023-11-06 22:33:12,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 40 transitions, 325 flow [2023-11-06 22:33:12,946 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 40 transitions, 311 flow, removed 3 selfloop flow, removed 1 redundant places. [2023-11-06 22:33:12,948 INFO L231 Difference]: Finished difference. Result has 42 places, 31 transitions, 242 flow [2023-11-06 22:33:12,948 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=242, PETRI_PLACES=42, PETRI_TRANSITIONS=31} [2023-11-06 22:33:12,951 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 12 predicate places. [2023-11-06 22:33:12,951 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 31 transitions, 242 flow [2023-11-06 22:33:12,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 174.16666666666666) internal successors, (1045), 6 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:12,952 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:12,953 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:12,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:33:12,953 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:12,954 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:12,955 INFO L85 PathProgramCache]: Analyzing trace with hash -256081784, now seen corresponding path program 1 times [2023-11-06 22:33:12,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:12,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728387994] [2023-11-06 22:33:12,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:12,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:13,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:13,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:13,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728387994] [2023-11-06 22:33:13,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728387994] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:13,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:13,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:33:13,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547594315] [2023-11-06 22:33:13,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:13,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:33:13,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:13,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:33:13,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:33:13,801 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 412 [2023-11-06 22:33:13,802 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 31 transitions, 242 flow. Second operand has 6 states, 6 states have (on average 174.16666666666666) internal successors, (1045), 6 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:13,802 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:13,802 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 412 [2023-11-06 22:33:13,803 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:13,980 INFO L124 PetriNetUnfolderBase]: 68/144 cut-off events. [2023-11-06 22:33:13,980 INFO L125 PetriNetUnfolderBase]: For 542/542 co-relation queries the response was YES. [2023-11-06 22:33:13,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 574 conditions, 144 events. 68/144 cut-off events. For 542/542 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 454 event pairs, 15 based on Foata normal form. 4/142 useless extension candidates. Maximal degree in co-relation 447. Up to 72 conditions per place. [2023-11-06 22:33:13,982 INFO L140 encePairwiseOnDemand]: 406/412 looper letters, 23 selfloop transitions, 12 changer transitions 2/38 dead transitions. [2023-11-06 22:33:13,982 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 38 transitions, 343 flow [2023-11-06 22:33:13,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:33:13,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-06 22:33:13,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 722 transitions. [2023-11-06 22:33:13,986 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4381067961165049 [2023-11-06 22:33:13,987 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 722 transitions. [2023-11-06 22:33:13,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 722 transitions. [2023-11-06 22:33:13,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:13,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 722 transitions. [2023-11-06 22:33:13,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 180.5) internal successors, (722), 4 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:13,994 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 412.0) internal successors, (2060), 5 states have internal predecessors, (2060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:13,995 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 412.0) internal successors, (2060), 5 states have internal predecessors, (2060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:13,995 INFO L175 Difference]: Start difference. First operand has 42 places, 31 transitions, 242 flow. Second operand 4 states and 722 transitions. [2023-11-06 22:33:13,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 38 transitions, 343 flow [2023-11-06 22:33:13,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 38 transitions, 321 flow, removed 2 selfloop flow, removed 2 redundant places. [2023-11-06 22:33:13,999 INFO L231 Difference]: Finished difference. Result has 44 places, 32 transitions, 269 flow [2023-11-06 22:33:13,999 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=221, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=269, PETRI_PLACES=44, PETRI_TRANSITIONS=32} [2023-11-06 22:33:14,003 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 14 predicate places. [2023-11-06 22:33:14,003 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 32 transitions, 269 flow [2023-11-06 22:33:14,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 174.16666666666666) internal successors, (1045), 6 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:14,004 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:14,008 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:14,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:33:14,009 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:14,009 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:14,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1286074059, now seen corresponding path program 1 times [2023-11-06 22:33:14,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:14,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032946060] [2023-11-06 22:33:14,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:14,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:14,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:14,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:14,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:14,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032946060] [2023-11-06 22:33:14,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032946060] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:14,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:14,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:33:14,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569432347] [2023-11-06 22:33:14,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:14,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:33:14,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:14,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:33:14,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:33:15,103 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 412 [2023-11-06 22:33:15,105 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 32 transitions, 269 flow. Second operand has 8 states, 8 states have (on average 173.125) internal successors, (1385), 8 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:15,105 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:15,106 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 412 [2023-11-06 22:33:15,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:15,671 INFO L124 PetriNetUnfolderBase]: 81/186 cut-off events. [2023-11-06 22:33:15,672 INFO L125 PetriNetUnfolderBase]: For 661/661 co-relation queries the response was YES. [2023-11-06 22:33:15,673 INFO L83 FinitePrefix]: Finished finitePrefix Result has 729 conditions, 186 events. 81/186 cut-off events. For 661/661 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 750 event pairs, 1 based on Foata normal form. 0/179 useless extension candidates. Maximal degree in co-relation 601. Up to 41 conditions per place. [2023-11-06 22:33:15,675 INFO L140 encePairwiseOnDemand]: 403/412 looper letters, 36 selfloop transitions, 25 changer transitions 10/72 dead transitions. [2023-11-06 22:33:15,676 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 72 transitions, 585 flow [2023-11-06 22:33:15,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:33:15,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-06 22:33:15,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2301 transitions. [2023-11-06 22:33:15,687 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42961165048543687 [2023-11-06 22:33:15,687 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2301 transitions. [2023-11-06 22:33:15,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2301 transitions. [2023-11-06 22:33:15,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:15,690 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2301 transitions. [2023-11-06 22:33:15,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 177.0) internal successors, (2301), 13 states have internal predecessors, (2301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:15,710 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 412.0) internal successors, (5768), 14 states have internal predecessors, (5768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:15,712 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 412.0) internal successors, (5768), 14 states have internal predecessors, (5768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:15,712 INFO L175 Difference]: Start difference. First operand has 44 places, 32 transitions, 269 flow. Second operand 13 states and 2301 transitions. [2023-11-06 22:33:15,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 72 transitions, 585 flow [2023-11-06 22:33:15,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 72 transitions, 557 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-11-06 22:33:15,718 INFO L231 Difference]: Finished difference. Result has 58 places, 40 transitions, 380 flow [2023-11-06 22:33:15,718 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=380, PETRI_PLACES=58, PETRI_TRANSITIONS=40} [2023-11-06 22:33:15,719 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 28 predicate places. [2023-11-06 22:33:15,719 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 40 transitions, 380 flow [2023-11-06 22:33:15,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 173.125) internal successors, (1385), 8 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:15,721 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:15,721 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:15,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:33:15,721 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:15,722 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:15,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1286074060, now seen corresponding path program 1 times [2023-11-06 22:33:15,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:15,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178852057] [2023-11-06 22:33:15,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:15,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:16,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:16,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:16,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178852057] [2023-11-06 22:33:16,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178852057] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:16,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:16,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:33:16,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963383297] [2023-11-06 22:33:16,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:16,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:33:16,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:16,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:33:16,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:33:16,214 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 412 [2023-11-06 22:33:16,215 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 40 transitions, 380 flow. Second operand has 5 states, 5 states have (on average 179.8) internal successors, (899), 5 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:16,215 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:16,215 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 412 [2023-11-06 22:33:16,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:16,429 INFO L124 PetriNetUnfolderBase]: 74/191 cut-off events. [2023-11-06 22:33:16,429 INFO L125 PetriNetUnfolderBase]: For 836/836 co-relation queries the response was YES. [2023-11-06 22:33:16,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 797 conditions, 191 events. 74/191 cut-off events. For 836/836 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 812 event pairs, 9 based on Foata normal form. 6/195 useless extension candidates. Maximal degree in co-relation 656. Up to 70 conditions per place. [2023-11-06 22:33:16,432 INFO L140 encePairwiseOnDemand]: 404/412 looper letters, 38 selfloop transitions, 19 changer transitions 1/59 dead transitions. [2023-11-06 22:33:16,432 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 59 transitions, 576 flow [2023-11-06 22:33:16,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:33:16,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-06 22:33:16,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1288 transitions. [2023-11-06 22:33:16,437 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44660194174757284 [2023-11-06 22:33:16,438 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1288 transitions. [2023-11-06 22:33:16,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1288 transitions. [2023-11-06 22:33:16,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:16,439 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1288 transitions. [2023-11-06 22:33:16,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 184.0) internal successors, (1288), 7 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:16,448 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 412.0) internal successors, (3296), 8 states have internal predecessors, (3296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:16,449 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 412.0) internal successors, (3296), 8 states have internal predecessors, (3296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:16,450 INFO L175 Difference]: Start difference. First operand has 58 places, 40 transitions, 380 flow. Second operand 7 states and 1288 transitions. [2023-11-06 22:33:16,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 59 transitions, 576 flow [2023-11-06 22:33:16,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 59 transitions, 495 flow, removed 4 selfloop flow, removed 8 redundant places. [2023-11-06 22:33:16,455 INFO L231 Difference]: Finished difference. Result has 57 places, 44 transitions, 383 flow [2023-11-06 22:33:16,456 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=383, PETRI_PLACES=57, PETRI_TRANSITIONS=44} [2023-11-06 22:33:16,456 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 27 predicate places. [2023-11-06 22:33:16,457 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 44 transitions, 383 flow [2023-11-06 22:33:16,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 179.8) internal successors, (899), 5 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:16,457 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:16,458 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:16,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:33:16,458 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:16,458 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:16,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1286145669, now seen corresponding path program 2 times [2023-11-06 22:33:16,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:16,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872273731] [2023-11-06 22:33:16,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:16,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:17,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:17,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:17,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872273731] [2023-11-06 22:33:17,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872273731] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:17,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:17,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:33:17,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453526936] [2023-11-06 22:33:17,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:17,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:33:17,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:17,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:33:17,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:33:17,503 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 412 [2023-11-06 22:33:17,505 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 44 transitions, 383 flow. Second operand has 8 states, 8 states have (on average 171.125) internal successors, (1369), 8 states have internal predecessors, (1369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:17,505 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:17,505 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 412 [2023-11-06 22:33:17,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:17,920 INFO L124 PetriNetUnfolderBase]: 83/215 cut-off events. [2023-11-06 22:33:17,920 INFO L125 PetriNetUnfolderBase]: For 696/696 co-relation queries the response was YES. [2023-11-06 22:33:17,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 857 conditions, 215 events. 83/215 cut-off events. For 696/696 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 971 event pairs, 7 based on Foata normal form. 3/218 useless extension candidates. Maximal degree in co-relation 628. Up to 63 conditions per place. [2023-11-06 22:33:17,922 INFO L140 encePairwiseOnDemand]: 402/412 looper letters, 35 selfloop transitions, 31 changer transitions 3/70 dead transitions. [2023-11-06 22:33:17,923 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 70 transitions, 623 flow [2023-11-06 22:33:17,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:33:17,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-06 22:33:17,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1924 transitions. [2023-11-06 22:33:17,931 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4245366284201236 [2023-11-06 22:33:17,931 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1924 transitions. [2023-11-06 22:33:17,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1924 transitions. [2023-11-06 22:33:17,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:17,934 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1924 transitions. [2023-11-06 22:33:17,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 174.9090909090909) internal successors, (1924), 11 states have internal predecessors, (1924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:17,948 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 412.0) internal successors, (4944), 12 states have internal predecessors, (4944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:17,950 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 412.0) internal successors, (4944), 12 states have internal predecessors, (4944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:17,950 INFO L175 Difference]: Start difference. First operand has 57 places, 44 transitions, 383 flow. Second operand 11 states and 1924 transitions. [2023-11-06 22:33:17,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 70 transitions, 623 flow [2023-11-06 22:33:17,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 70 transitions, 566 flow, removed 9 selfloop flow, removed 4 redundant places. [2023-11-06 22:33:17,957 INFO L231 Difference]: Finished difference. Result has 66 places, 49 transitions, 468 flow [2023-11-06 22:33:17,957 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=329, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=468, PETRI_PLACES=66, PETRI_TRANSITIONS=49} [2023-11-06 22:33:17,958 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 36 predicate places. [2023-11-06 22:33:17,958 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 49 transitions, 468 flow [2023-11-06 22:33:17,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 171.125) internal successors, (1369), 8 states have internal predecessors, (1369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:17,959 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:17,959 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:17,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:33:17,960 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:17,960 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:17,960 INFO L85 PathProgramCache]: Analyzing trace with hash 786424766, now seen corresponding path program 2 times [2023-11-06 22:33:17,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:17,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822342160] [2023-11-06 22:33:17,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:17,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:18,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:18,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:18,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822342160] [2023-11-06 22:33:18,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822342160] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:18,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:18,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:33:18,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405178265] [2023-11-06 22:33:18,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:18,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:33:18,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:18,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:33:18,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:33:18,658 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 412 [2023-11-06 22:33:18,659 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 49 transitions, 468 flow. Second operand has 5 states, 5 states have (on average 179.8) internal successors, (899), 5 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:18,659 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:18,659 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 412 [2023-11-06 22:33:18,659 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:18,903 INFO L124 PetriNetUnfolderBase]: 80/208 cut-off events. [2023-11-06 22:33:18,904 INFO L125 PetriNetUnfolderBase]: For 791/791 co-relation queries the response was YES. [2023-11-06 22:33:18,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 858 conditions, 208 events. 80/208 cut-off events. For 791/791 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 911 event pairs, 12 based on Foata normal form. 3/211 useless extension candidates. Maximal degree in co-relation 644. Up to 100 conditions per place. [2023-11-06 22:33:18,907 INFO L140 encePairwiseOnDemand]: 402/412 looper letters, 32 selfloop transitions, 26 changer transitions 2/61 dead transitions. [2023-11-06 22:33:18,907 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 61 transitions, 604 flow [2023-11-06 22:33:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:33:18,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-06 22:33:18,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1467 transitions. [2023-11-06 22:33:18,914 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44508495145631066 [2023-11-06 22:33:18,914 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1467 transitions. [2023-11-06 22:33:18,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1467 transitions. [2023-11-06 22:33:18,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:18,916 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1467 transitions. [2023-11-06 22:33:18,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 183.375) internal successors, (1467), 8 states have internal predecessors, (1467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:18,927 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 412.0) internal successors, (3708), 9 states have internal predecessors, (3708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:18,928 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 412.0) internal successors, (3708), 9 states have internal predecessors, (3708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:18,929 INFO L175 Difference]: Start difference. First operand has 66 places, 49 transitions, 468 flow. Second operand 8 states and 1467 transitions. [2023-11-06 22:33:18,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 61 transitions, 604 flow [2023-11-06 22:33:18,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 61 transitions, 545 flow, removed 5 selfloop flow, removed 8 redundant places. [2023-11-06 22:33:18,936 INFO L231 Difference]: Finished difference. Result has 65 places, 47 transitions, 441 flow [2023-11-06 22:33:18,936 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=389, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=441, PETRI_PLACES=65, PETRI_TRANSITIONS=47} [2023-11-06 22:33:18,937 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 35 predicate places. [2023-11-06 22:33:18,937 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 47 transitions, 441 flow [2023-11-06 22:33:18,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 179.8) internal successors, (899), 5 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:18,938 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:18,938 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:18,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 22:33:18,939 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:18,939 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:18,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1280581869, now seen corresponding path program 1 times [2023-11-06 22:33:18,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:18,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063649441] [2023-11-06 22:33:18,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:18,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:19,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:19,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:19,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063649441] [2023-11-06 22:33:19,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063649441] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:19,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:19,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:33:19,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204123814] [2023-11-06 22:33:19,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:19,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:33:19,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:19,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:33:19,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:33:19,994 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 412 [2023-11-06 22:33:19,996 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 47 transitions, 441 flow. Second operand has 8 states, 8 states have (on average 171.125) internal successors, (1369), 8 states have internal predecessors, (1369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:19,996 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:19,996 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 412 [2023-11-06 22:33:19,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:20,388 INFO L124 PetriNetUnfolderBase]: 77/214 cut-off events. [2023-11-06 22:33:20,388 INFO L125 PetriNetUnfolderBase]: For 822/822 co-relation queries the response was YES. [2023-11-06 22:33:20,389 INFO L83 FinitePrefix]: Finished finitePrefix Result has 890 conditions, 214 events. 77/214 cut-off events. For 822/822 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 991 event pairs, 20 based on Foata normal form. 2/216 useless extension candidates. Maximal degree in co-relation 665. Up to 115 conditions per place. [2023-11-06 22:33:20,391 INFO L140 encePairwiseOnDemand]: 404/412 looper letters, 36 selfloop transitions, 17 changer transitions 12/66 dead transitions. [2023-11-06 22:33:20,391 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 66 transitions, 666 flow [2023-11-06 22:33:20,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:33:20,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-06 22:33:20,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1573 transitions. [2023-11-06 22:33:20,398 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.424217907227616 [2023-11-06 22:33:20,398 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1573 transitions. [2023-11-06 22:33:20,399 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1573 transitions. [2023-11-06 22:33:20,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:20,400 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1573 transitions. [2023-11-06 22:33:20,405 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 174.77777777777777) internal successors, (1573), 9 states have internal predecessors, (1573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:20,411 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 412.0) internal successors, (4120), 10 states have internal predecessors, (4120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:20,412 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 412.0) internal successors, (4120), 10 states have internal predecessors, (4120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:20,413 INFO L175 Difference]: Start difference. First operand has 65 places, 47 transitions, 441 flow. Second operand 9 states and 1573 transitions. [2023-11-06 22:33:20,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 66 transitions, 666 flow [2023-11-06 22:33:20,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 66 transitions, 627 flow, removed 8 selfloop flow, removed 5 redundant places. [2023-11-06 22:33:20,425 INFO L231 Difference]: Finished difference. Result has 70 places, 46 transitions, 437 flow [2023-11-06 22:33:20,425 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=406, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=437, PETRI_PLACES=70, PETRI_TRANSITIONS=46} [2023-11-06 22:33:20,426 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 40 predicate places. [2023-11-06 22:33:20,426 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 46 transitions, 437 flow [2023-11-06 22:33:20,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 171.125) internal successors, (1369), 8 states have internal predecessors, (1369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:20,427 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:20,427 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:20,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 22:33:20,427 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:20,428 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:20,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1286578509, now seen corresponding path program 2 times [2023-11-06 22:33:20,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:20,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145940252] [2023-11-06 22:33:20,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:20,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:21,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:21,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:21,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145940252] [2023-11-06 22:33:21,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145940252] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:21,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:21,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:33:21,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397524162] [2023-11-06 22:33:21,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:21,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:33:21,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:21,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:33:21,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:33:21,445 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 412 [2023-11-06 22:33:21,447 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 46 transitions, 437 flow. Second operand has 8 states, 8 states have (on average 173.125) internal successors, (1385), 8 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:21,447 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:21,447 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 412 [2023-11-06 22:33:21,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:21,931 INFO L124 PetriNetUnfolderBase]: 75/220 cut-off events. [2023-11-06 22:33:21,931 INFO L125 PetriNetUnfolderBase]: For 876/876 co-relation queries the response was YES. [2023-11-06 22:33:21,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 968 conditions, 220 events. 75/220 cut-off events. For 876/876 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1047 event pairs, 17 based on Foata normal form. 4/224 useless extension candidates. Maximal degree in co-relation 940. Up to 106 conditions per place. [2023-11-06 22:33:21,934 INFO L140 encePairwiseOnDemand]: 403/412 looper letters, 41 selfloop transitions, 26 changer transitions 9/77 dead transitions. [2023-11-06 22:33:21,935 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 77 transitions, 773 flow [2023-11-06 22:33:21,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:33:21,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-06 22:33:21,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2295 transitions. [2023-11-06 22:33:21,944 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42849141150112025 [2023-11-06 22:33:21,944 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2295 transitions. [2023-11-06 22:33:21,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2295 transitions. [2023-11-06 22:33:21,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:21,946 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2295 transitions. [2023-11-06 22:33:21,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 176.53846153846155) internal successors, (2295), 13 states have internal predecessors, (2295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:21,961 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 412.0) internal successors, (5768), 14 states have internal predecessors, (5768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:21,963 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 412.0) internal successors, (5768), 14 states have internal predecessors, (5768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:21,963 INFO L175 Difference]: Start difference. First operand has 70 places, 46 transitions, 437 flow. Second operand 13 states and 2295 transitions. [2023-11-06 22:33:21,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 77 transitions, 773 flow [2023-11-06 22:33:21,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 77 transitions, 731 flow, removed 4 selfloop flow, removed 4 redundant places. [2023-11-06 22:33:21,970 INFO L231 Difference]: Finished difference. Result has 78 places, 52 transitions, 536 flow [2023-11-06 22:33:21,971 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=407, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=536, PETRI_PLACES=78, PETRI_TRANSITIONS=52} [2023-11-06 22:33:21,972 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 48 predicate places. [2023-11-06 22:33:21,972 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 52 transitions, 536 flow [2023-11-06 22:33:21,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 173.125) internal successors, (1385), 8 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:21,973 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:21,973 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:21,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-06 22:33:21,973 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:21,974 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:21,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1286621290, now seen corresponding path program 1 times [2023-11-06 22:33:21,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:21,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774493488] [2023-11-06 22:33:21,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:21,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:22,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:22,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:22,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774493488] [2023-11-06 22:33:22,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774493488] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:22,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:22,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:33:22,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046409342] [2023-11-06 22:33:22,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:22,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:33:22,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:22,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:33:22,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:33:22,676 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 412 [2023-11-06 22:33:22,677 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 52 transitions, 536 flow. Second operand has 5 states, 5 states have (on average 175.8) internal successors, (879), 5 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:22,677 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:22,677 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 412 [2023-11-06 22:33:22,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:22,925 INFO L124 PetriNetUnfolderBase]: 55/172 cut-off events. [2023-11-06 22:33:22,925 INFO L125 PetriNetUnfolderBase]: For 743/743 co-relation queries the response was YES. [2023-11-06 22:33:22,926 INFO L83 FinitePrefix]: Finished finitePrefix Result has 839 conditions, 172 events. 55/172 cut-off events. For 743/743 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 785 event pairs, 10 based on Foata normal form. 2/174 useless extension candidates. Maximal degree in co-relation 772. Up to 56 conditions per place. [2023-11-06 22:33:22,928 INFO L140 encePairwiseOnDemand]: 404/412 looper letters, 34 selfloop transitions, 29 changer transitions 0/64 dead transitions. [2023-11-06 22:33:22,928 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 64 transitions, 711 flow [2023-11-06 22:33:22,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:33:22,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-06 22:33:22,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1259 transitions. [2023-11-06 22:33:22,934 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43654646324549234 [2023-11-06 22:33:22,934 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1259 transitions. [2023-11-06 22:33:22,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1259 transitions. [2023-11-06 22:33:22,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:22,936 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1259 transitions. [2023-11-06 22:33:22,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 179.85714285714286) internal successors, (1259), 7 states have internal predecessors, (1259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:22,944 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 412.0) internal successors, (3296), 8 states have internal predecessors, (3296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:22,945 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 412.0) internal successors, (3296), 8 states have internal predecessors, (3296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:22,945 INFO L175 Difference]: Start difference. First operand has 78 places, 52 transitions, 536 flow. Second operand 7 states and 1259 transitions. [2023-11-06 22:33:22,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 64 transitions, 711 flow [2023-11-06 22:33:22,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 64 transitions, 665 flow, removed 2 selfloop flow, removed 5 redundant places. [2023-11-06 22:33:22,953 INFO L231 Difference]: Finished difference. Result has 80 places, 53 transitions, 582 flow [2023-11-06 22:33:22,953 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=480, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=582, PETRI_PLACES=80, PETRI_TRANSITIONS=53} [2023-11-06 22:33:22,954 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 50 predicate places. [2023-11-06 22:33:22,954 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 53 transitions, 582 flow [2023-11-06 22:33:22,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 175.8) internal successors, (879), 5 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:22,955 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:22,955 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:22,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-06 22:33:22,955 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:22,956 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:22,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1286621289, now seen corresponding path program 3 times [2023-11-06 22:33:22,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:22,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306088117] [2023-11-06 22:33:22,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:22,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:23,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:23,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:23,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306088117] [2023-11-06 22:33:23,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306088117] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:23,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:23,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:33:23,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982055842] [2023-11-06 22:33:23,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:23,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:33:23,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:23,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:33:23,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:33:23,893 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 412 [2023-11-06 22:33:23,895 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 53 transitions, 582 flow. Second operand has 8 states, 8 states have (on average 171.125) internal successors, (1369), 8 states have internal predecessors, (1369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:23,895 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:23,895 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 412 [2023-11-06 22:33:23,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:24,319 INFO L124 PetriNetUnfolderBase]: 54/169 cut-off events. [2023-11-06 22:33:24,319 INFO L125 PetriNetUnfolderBase]: For 882/882 co-relation queries the response was YES. [2023-11-06 22:33:24,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 854 conditions, 169 events. 54/169 cut-off events. For 882/882 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 761 event pairs, 9 based on Foata normal form. 2/171 useless extension candidates. Maximal degree in co-relation 799. Up to 75 conditions per place. [2023-11-06 22:33:24,322 INFO L140 encePairwiseOnDemand]: 404/412 looper letters, 39 selfloop transitions, 23 changer transitions 4/67 dead transitions. [2023-11-06 22:33:24,322 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 67 transitions, 743 flow [2023-11-06 22:33:24,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:33:24,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-06 22:33:24,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1916 transitions. [2023-11-06 22:33:24,332 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4227714033539276 [2023-11-06 22:33:24,332 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1916 transitions. [2023-11-06 22:33:24,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1916 transitions. [2023-11-06 22:33:24,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:24,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1916 transitions. [2023-11-06 22:33:24,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 174.1818181818182) internal successors, (1916), 11 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:24,348 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 412.0) internal successors, (4944), 12 states have internal predecessors, (4944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:24,349 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 412.0) internal successors, (4944), 12 states have internal predecessors, (4944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:24,350 INFO L175 Difference]: Start difference. First operand has 80 places, 53 transitions, 582 flow. Second operand 11 states and 1916 transitions. [2023-11-06 22:33:24,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 67 transitions, 743 flow [2023-11-06 22:33:24,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 67 transitions, 694 flow, removed 5 selfloop flow, removed 6 redundant places. [2023-11-06 22:33:24,359 INFO L231 Difference]: Finished difference. Result has 83 places, 50 transitions, 549 flow [2023-11-06 22:33:24,360 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=523, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=549, PETRI_PLACES=83, PETRI_TRANSITIONS=50} [2023-11-06 22:33:24,361 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 53 predicate places. [2023-11-06 22:33:24,361 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 50 transitions, 549 flow [2023-11-06 22:33:24,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 171.125) internal successors, (1369), 8 states have internal predecessors, (1369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:24,362 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:24,362 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:24,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-06 22:33:24,363 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:24,363 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:24,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1286578510, now seen corresponding path program 2 times [2023-11-06 22:33:24,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:24,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949472785] [2023-11-06 22:33:24,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:24,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:24,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:24,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:24,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949472785] [2023-11-06 22:33:24,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949472785] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:24,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:24,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:33:24,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426684982] [2023-11-06 22:33:24,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:24,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:33:24,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:24,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:33:24,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:33:24,825 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 412 [2023-11-06 22:33:24,827 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 50 transitions, 549 flow. Second operand has 5 states, 5 states have (on average 179.8) internal successors, (899), 5 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:24,827 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:24,827 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 412 [2023-11-06 22:33:24,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:25,052 INFO L124 PetriNetUnfolderBase]: 48/150 cut-off events. [2023-11-06 22:33:25,052 INFO L125 PetriNetUnfolderBase]: For 866/866 co-relation queries the response was YES. [2023-11-06 22:33:25,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 756 conditions, 150 events. 48/150 cut-off events. For 866/866 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 633 event pairs, 9 based on Foata normal form. 7/157 useless extension candidates. Maximal degree in co-relation 740. Up to 52 conditions per place. [2023-11-06 22:33:25,054 INFO L140 encePairwiseOnDemand]: 403/412 looper letters, 31 selfloop transitions, 23 changer transitions 5/60 dead transitions. [2023-11-06 22:33:25,054 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 60 transitions, 690 flow [2023-11-06 22:33:25,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:33:25,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-06 22:33:25,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1287 transitions. [2023-11-06 22:33:25,059 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44625520110957007 [2023-11-06 22:33:25,059 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1287 transitions. [2023-11-06 22:33:25,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1287 transitions. [2023-11-06 22:33:25,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:25,060 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1287 transitions. [2023-11-06 22:33:25,062 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 183.85714285714286) internal successors, (1287), 7 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:25,067 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 412.0) internal successors, (3296), 8 states have internal predecessors, (3296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:25,069 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 412.0) internal successors, (3296), 8 states have internal predecessors, (3296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:25,069 INFO L175 Difference]: Start difference. First operand has 83 places, 50 transitions, 549 flow. Second operand 7 states and 1287 transitions. [2023-11-06 22:33:25,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 60 transitions, 690 flow [2023-11-06 22:33:25,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 60 transitions, 604 flow, removed 0 selfloop flow, removed 13 redundant places. [2023-11-06 22:33:25,076 INFO L231 Difference]: Finished difference. Result has 70 places, 43 transitions, 448 flow [2023-11-06 22:33:25,076 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=449, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=448, PETRI_PLACES=70, PETRI_TRANSITIONS=43} [2023-11-06 22:33:25,077 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 40 predicate places. [2023-11-06 22:33:25,077 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 43 transitions, 448 flow [2023-11-06 22:33:25,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 179.8) internal successors, (899), 5 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:25,077 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:25,078 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:25,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-06 22:33:25,078 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:25,078 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:25,079 INFO L85 PathProgramCache]: Analyzing trace with hash 903117822, now seen corresponding path program 3 times [2023-11-06 22:33:25,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:25,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736569475] [2023-11-06 22:33:25,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:25,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:25,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:25,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:25,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736569475] [2023-11-06 22:33:25,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736569475] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:25,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:25,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:33:25,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362896681] [2023-11-06 22:33:25,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:25,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:33:25,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:25,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:33:25,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:33:25,918 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 412 [2023-11-06 22:33:25,919 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 43 transitions, 448 flow. Second operand has 7 states, 7 states have (on average 174.28571428571428) internal successors, (1220), 7 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:25,919 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:25,919 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 412 [2023-11-06 22:33:25,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:26,128 INFO L124 PetriNetUnfolderBase]: 37/120 cut-off events. [2023-11-06 22:33:26,129 INFO L125 PetriNetUnfolderBase]: For 677/677 co-relation queries the response was YES. [2023-11-06 22:33:26,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 582 conditions, 120 events. 37/120 cut-off events. For 677/677 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 457 event pairs, 7 based on Foata normal form. 3/123 useless extension candidates. Maximal degree in co-relation 569. Up to 45 conditions per place. [2023-11-06 22:33:26,130 INFO L140 encePairwiseOnDemand]: 405/412 looper letters, 24 selfloop transitions, 25 changer transitions 0/50 dead transitions. [2023-11-06 22:33:26,131 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 50 transitions, 577 flow [2023-11-06 22:33:26,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:33:26,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-06 22:33:26,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1237 transitions. [2023-11-06 22:33:26,134 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4289181692094313 [2023-11-06 22:33:26,134 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1237 transitions. [2023-11-06 22:33:26,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1237 transitions. [2023-11-06 22:33:26,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:26,135 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1237 transitions. [2023-11-06 22:33:26,138 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 176.71428571428572) internal successors, (1237), 7 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:26,143 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 412.0) internal successors, (3296), 8 states have internal predecessors, (3296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:26,144 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 412.0) internal successors, (3296), 8 states have internal predecessors, (3296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:26,145 INFO L175 Difference]: Start difference. First operand has 70 places, 43 transitions, 448 flow. Second operand 7 states and 1237 transitions. [2023-11-06 22:33:26,145 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 50 transitions, 577 flow [2023-11-06 22:33:26,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 50 transitions, 526 flow, removed 2 selfloop flow, removed 4 redundant places. [2023-11-06 22:33:26,151 INFO L231 Difference]: Finished difference. Result has 68 places, 44 transitions, 502 flow [2023-11-06 22:33:26,151 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=389, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=502, PETRI_PLACES=68, PETRI_TRANSITIONS=44} [2023-11-06 22:33:26,152 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 38 predicate places. [2023-11-06 22:33:26,152 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 44 transitions, 502 flow [2023-11-06 22:33:26,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 174.28571428571428) internal successors, (1220), 7 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:26,153 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:26,153 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:26,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-06 22:33:26,153 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:26,154 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:26,154 INFO L85 PathProgramCache]: Analyzing trace with hash 903117823, now seen corresponding path program 3 times [2023-11-06 22:33:26,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:26,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950965772] [2023-11-06 22:33:26,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:26,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:26,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:26,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:26,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950965772] [2023-11-06 22:33:26,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950965772] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:26,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:26,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:33:26,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012892902] [2023-11-06 22:33:26,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:26,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:33:26,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:26,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:33:26,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:33:27,144 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 412 [2023-11-06 22:33:27,146 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 44 transitions, 502 flow. Second operand has 8 states, 8 states have (on average 171.125) internal successors, (1369), 8 states have internal predecessors, (1369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:27,146 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:27,146 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 412 [2023-11-06 22:33:27,146 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:27,556 INFO L124 PetriNetUnfolderBase]: 35/113 cut-off events. [2023-11-06 22:33:27,556 INFO L125 PetriNetUnfolderBase]: For 763/763 co-relation queries the response was YES. [2023-11-06 22:33:27,557 INFO L83 FinitePrefix]: Finished finitePrefix Result has 578 conditions, 113 events. 35/113 cut-off events. For 763/763 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 434 event pairs, 0 based on Foata normal form. 3/116 useless extension candidates. Maximal degree in co-relation 563. Up to 26 conditions per place. [2023-11-06 22:33:27,558 INFO L140 encePairwiseOnDemand]: 404/412 looper letters, 23 selfloop transitions, 30 changer transitions 0/54 dead transitions. [2023-11-06 22:33:27,558 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 54 transitions, 618 flow [2023-11-06 22:33:27,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:33:27,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-06 22:33:27,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1906 transitions. [2023-11-06 22:33:27,566 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4205648720211827 [2023-11-06 22:33:27,566 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1906 transitions. [2023-11-06 22:33:27,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1906 transitions. [2023-11-06 22:33:27,567 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:27,567 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1906 transitions. [2023-11-06 22:33:27,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 173.27272727272728) internal successors, (1906), 11 states have internal predecessors, (1906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:27,580 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 412.0) internal successors, (4944), 12 states have internal predecessors, (4944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:27,598 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 412.0) internal successors, (4944), 12 states have internal predecessors, (4944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:27,598 INFO L175 Difference]: Start difference. First operand has 68 places, 44 transitions, 502 flow. Second operand 11 states and 1906 transitions. [2023-11-06 22:33:27,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 54 transitions, 618 flow [2023-11-06 22:33:27,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 54 transitions, 588 flow, removed 2 selfloop flow, removed 3 redundant places. [2023-11-06 22:33:27,604 INFO L231 Difference]: Finished difference. Result has 75 places, 42 transitions, 506 flow [2023-11-06 22:33:27,605 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=506, PETRI_PLACES=75, PETRI_TRANSITIONS=42} [2023-11-06 22:33:27,605 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 45 predicate places. [2023-11-06 22:33:27,605 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 42 transitions, 506 flow [2023-11-06 22:33:27,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 171.125) internal successors, (1369), 8 states have internal predecessors, (1369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:27,606 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:27,606 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:27,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-06 22:33:27,607 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:27,607 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:27,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1589334942, now seen corresponding path program 1 times [2023-11-06 22:33:27,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:27,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237946091] [2023-11-06 22:33:27,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:27,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:28,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:28,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:28,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237946091] [2023-11-06 22:33:28,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237946091] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:28,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:28,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:33:28,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878574104] [2023-11-06 22:33:28,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:28,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:33:28,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:28,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:33:28,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:33:28,897 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 412 [2023-11-06 22:33:28,898 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 42 transitions, 506 flow. Second operand has 8 states, 8 states have (on average 164.5) internal successors, (1316), 8 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:28,899 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:28,899 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 412 [2023-11-06 22:33:28,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:29,242 INFO L124 PetriNetUnfolderBase]: 34/148 cut-off events. [2023-11-06 22:33:29,242 INFO L125 PetriNetUnfolderBase]: For 1216/1216 co-relation queries the response was YES. [2023-11-06 22:33:29,242 INFO L83 FinitePrefix]: Finished finitePrefix Result has 833 conditions, 148 events. 34/148 cut-off events. For 1216/1216 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 753 event pairs, 5 based on Foata normal form. 2/150 useless extension candidates. Maximal degree in co-relation 819. Up to 61 conditions per place. [2023-11-06 22:33:29,244 INFO L140 encePairwiseOnDemand]: 405/412 looper letters, 67 selfloop transitions, 15 changer transitions 0/83 dead transitions. [2023-11-06 22:33:29,244 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 83 transitions, 1235 flow [2023-11-06 22:33:29,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:33:29,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-06 22:33:29,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1496 transitions. [2023-11-06 22:33:29,253 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4034519956850054 [2023-11-06 22:33:29,253 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1496 transitions. [2023-11-06 22:33:29,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1496 transitions. [2023-11-06 22:33:29,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:29,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1496 transitions. [2023-11-06 22:33:29,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 166.22222222222223) internal successors, (1496), 9 states have internal predecessors, (1496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:29,264 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 412.0) internal successors, (4120), 10 states have internal predecessors, (4120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:29,265 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 412.0) internal successors, (4120), 10 states have internal predecessors, (4120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:29,266 INFO L175 Difference]: Start difference. First operand has 75 places, 42 transitions, 506 flow. Second operand 9 states and 1496 transitions. [2023-11-06 22:33:29,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 83 transitions, 1235 flow [2023-11-06 22:33:29,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 83 transitions, 1072 flow, removed 5 selfloop flow, removed 10 redundant places. [2023-11-06 22:33:29,276 INFO L231 Difference]: Finished difference. Result has 77 places, 54 transitions, 664 flow [2023-11-06 22:33:29,276 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=430, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=664, PETRI_PLACES=77, PETRI_TRANSITIONS=54} [2023-11-06 22:33:29,278 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 47 predicate places. [2023-11-06 22:33:29,278 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 54 transitions, 664 flow [2023-11-06 22:33:29,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 164.5) internal successors, (1316), 8 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:29,279 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:29,279 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:29,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-06 22:33:29,279 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:29,280 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:29,280 INFO L85 PathProgramCache]: Analyzing trace with hash -157182097, now seen corresponding path program 1 times [2023-11-06 22:33:29,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:29,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952677250] [2023-11-06 22:33:29,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:29,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:30,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:30,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:30,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952677250] [2023-11-06 22:33:30,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952677250] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:30,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:30,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:33:30,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749131962] [2023-11-06 22:33:30,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:30,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:33:30,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:30,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:33:30,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:33:30,849 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 412 [2023-11-06 22:33:30,851 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 54 transitions, 664 flow. Second operand has 10 states, 10 states have (on average 160.2) internal successors, (1602), 10 states have internal predecessors, (1602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:30,851 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:30,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 412 [2023-11-06 22:33:30,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:31,503 INFO L124 PetriNetUnfolderBase]: 31/170 cut-off events. [2023-11-06 22:33:31,503 INFO L125 PetriNetUnfolderBase]: For 1201/1201 co-relation queries the response was YES. [2023-11-06 22:33:31,504 INFO L83 FinitePrefix]: Finished finitePrefix Result has 941 conditions, 170 events. 31/170 cut-off events. For 1201/1201 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 970 event pairs, 2 based on Foata normal form. 4/174 useless extension candidates. Maximal degree in co-relation 924. Up to 37 conditions per place. [2023-11-06 22:33:31,506 INFO L140 encePairwiseOnDemand]: 402/412 looper letters, 35 selfloop transitions, 47 changer transitions 0/83 dead transitions. [2023-11-06 22:33:31,506 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 83 transitions, 1083 flow [2023-11-06 22:33:31,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:33:31,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-11-06 22:33:31,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2431 transitions. [2023-11-06 22:33:31,512 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3933656957928803 [2023-11-06 22:33:31,512 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2431 transitions. [2023-11-06 22:33:31,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2431 transitions. [2023-11-06 22:33:31,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:31,515 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2431 transitions. [2023-11-06 22:33:31,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 162.06666666666666) internal successors, (2431), 15 states have internal predecessors, (2431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:31,530 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 412.0) internal successors, (6592), 16 states have internal predecessors, (6592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:31,532 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 412.0) internal successors, (6592), 16 states have internal predecessors, (6592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:31,532 INFO L175 Difference]: Start difference. First operand has 77 places, 54 transitions, 664 flow. Second operand 15 states and 2431 transitions. [2023-11-06 22:33:31,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 83 transitions, 1083 flow [2023-11-06 22:33:31,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 83 transitions, 1068 flow, removed 2 selfloop flow, removed 2 redundant places. [2023-11-06 22:33:31,543 INFO L231 Difference]: Finished difference. Result has 95 places, 71 transitions, 1027 flow [2023-11-06 22:33:31,543 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=641, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1027, PETRI_PLACES=95, PETRI_TRANSITIONS=71} [2023-11-06 22:33:31,545 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 65 predicate places. [2023-11-06 22:33:31,545 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 71 transitions, 1027 flow [2023-11-06 22:33:31,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 160.2) internal successors, (1602), 10 states have internal predecessors, (1602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:31,546 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:31,546 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:31,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-06 22:33:31,547 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:31,547 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:31,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1776589596, now seen corresponding path program 2 times [2023-11-06 22:33:31,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:31,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507680730] [2023-11-06 22:33:31,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:31,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:31,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:32,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:32,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:32,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507680730] [2023-11-06 22:33:32,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507680730] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:32,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:32,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:33:32,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059747393] [2023-11-06 22:33:32,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:32,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:33:32,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:32,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:33:32,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:33:32,710 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 412 [2023-11-06 22:33:32,712 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 71 transitions, 1027 flow. Second operand has 8 states, 8 states have (on average 164.5) internal successors, (1316), 8 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:32,712 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:32,713 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 412 [2023-11-06 22:33:32,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:33,136 INFO L124 PetriNetUnfolderBase]: 25/232 cut-off events. [2023-11-06 22:33:33,137 INFO L125 PetriNetUnfolderBase]: For 2167/2167 co-relation queries the response was YES. [2023-11-06 22:33:33,138 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1519 conditions, 232 events. 25/232 cut-off events. For 2167/2167 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 1697 event pairs, 7 based on Foata normal form. 2/234 useless extension candidates. Maximal degree in co-relation 1497. Up to 86 conditions per place. [2023-11-06 22:33:33,140 INFO L140 encePairwiseOnDemand]: 403/412 looper letters, 88 selfloop transitions, 36 changer transitions 0/125 dead transitions. [2023-11-06 22:33:33,140 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 125 transitions, 1997 flow [2023-11-06 22:33:33,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:33:33,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-06 22:33:33,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1667 transitions. [2023-11-06 22:33:33,144 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4046116504854369 [2023-11-06 22:33:33,144 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1667 transitions. [2023-11-06 22:33:33,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1667 transitions. [2023-11-06 22:33:33,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:33,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1667 transitions. [2023-11-06 22:33:33,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 166.7) internal successors, (1667), 10 states have internal predecessors, (1667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:33,154 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 412.0) internal successors, (4532), 11 states have internal predecessors, (4532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:33,156 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 412.0) internal successors, (4532), 11 states have internal predecessors, (4532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:33,156 INFO L175 Difference]: Start difference. First operand has 95 places, 71 transitions, 1027 flow. Second operand 10 states and 1667 transitions. [2023-11-06 22:33:33,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 125 transitions, 1997 flow [2023-11-06 22:33:33,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 125 transitions, 1941 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-06 22:33:33,172 INFO L231 Difference]: Finished difference. Result has 102 places, 90 transitions, 1434 flow [2023-11-06 22:33:33,173 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=990, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1434, PETRI_PLACES=102, PETRI_TRANSITIONS=90} [2023-11-06 22:33:33,173 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 72 predicate places. [2023-11-06 22:33:33,174 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 90 transitions, 1434 flow [2023-11-06 22:33:33,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 164.5) internal successors, (1316), 8 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:33,175 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:33,175 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:33,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-06 22:33:33,175 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:33,176 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:33,176 INFO L85 PathProgramCache]: Analyzing trace with hash -144093277, now seen corresponding path program 2 times [2023-11-06 22:33:33,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:33,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690450906] [2023-11-06 22:33:33,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:33,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:34,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:34,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:34,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690450906] [2023-11-06 22:33:34,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690450906] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:34,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:34,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:33:34,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663021890] [2023-11-06 22:33:34,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:34,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:33:34,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:34,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:33:34,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:33:34,940 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 412 [2023-11-06 22:33:34,942 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 90 transitions, 1434 flow. Second operand has 10 states, 10 states have (on average 160.2) internal successors, (1602), 10 states have internal predecessors, (1602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:34,942 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:34,942 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 412 [2023-11-06 22:33:34,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:35,962 INFO L124 PetriNetUnfolderBase]: 23/230 cut-off events. [2023-11-06 22:33:35,962 INFO L125 PetriNetUnfolderBase]: For 2662/2662 co-relation queries the response was YES. [2023-11-06 22:33:35,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1565 conditions, 230 events. 23/230 cut-off events. For 2662/2662 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1681 event pairs, 2 based on Foata normal form. 9/239 useless extension candidates. Maximal degree in co-relation 1538. Up to 47 conditions per place. [2023-11-06 22:33:35,965 INFO L140 encePairwiseOnDemand]: 402/412 looper letters, 34 selfloop transitions, 76 changer transitions 3/114 dead transitions. [2023-11-06 22:33:35,965 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 114 transitions, 1866 flow [2023-11-06 22:33:35,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-06 22:33:35,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2023-11-06 22:33:35,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3397 transitions. [2023-11-06 22:33:35,972 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3926259824318077 [2023-11-06 22:33:35,972 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 3397 transitions. [2023-11-06 22:33:35,973 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 3397 transitions. [2023-11-06 22:33:35,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:35,974 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 3397 transitions. [2023-11-06 22:33:35,980 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 161.76190476190476) internal successors, (3397), 21 states have internal predecessors, (3397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:35,989 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 412.0) internal successors, (9064), 22 states have internal predecessors, (9064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:35,992 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 412.0) internal successors, (9064), 22 states have internal predecessors, (9064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:35,993 INFO L175 Difference]: Start difference. First operand has 102 places, 90 transitions, 1434 flow. Second operand 21 states and 3397 transitions. [2023-11-06 22:33:35,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 114 transitions, 1866 flow [2023-11-06 22:33:36,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 114 transitions, 1843 flow, removed 11 selfloop flow, removed 1 redundant places. [2023-11-06 22:33:36,016 INFO L231 Difference]: Finished difference. Result has 122 places, 101 transitions, 1719 flow [2023-11-06 22:33:36,017 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=1308, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1719, PETRI_PLACES=122, PETRI_TRANSITIONS=101} [2023-11-06 22:33:36,017 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 92 predicate places. [2023-11-06 22:33:36,017 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 101 transitions, 1719 flow [2023-11-06 22:33:36,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 160.2) internal successors, (1602), 10 states have internal predecessors, (1602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:36,018 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:36,018 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:36,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-06 22:33:36,019 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:36,020 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:36,020 INFO L85 PathProgramCache]: Analyzing trace with hash -157182098, now seen corresponding path program 3 times [2023-11-06 22:33:36,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:36,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726009131] [2023-11-06 22:33:36,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:36,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:36,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:36,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:36,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726009131] [2023-11-06 22:33:36,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726009131] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:36,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:36,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:33:36,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068059612] [2023-11-06 22:33:36,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:36,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:33:36,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:36,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:33:36,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:33:37,097 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 412 [2023-11-06 22:33:37,098 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 101 transitions, 1719 flow. Second operand has 8 states, 8 states have (on average 164.5) internal successors, (1316), 8 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:37,098 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:37,098 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 412 [2023-11-06 22:33:37,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:37,389 INFO L124 PetriNetUnfolderBase]: 21/221 cut-off events. [2023-11-06 22:33:37,389 INFO L125 PetriNetUnfolderBase]: For 2768/2768 co-relation queries the response was YES. [2023-11-06 22:33:37,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1652 conditions, 221 events. 21/221 cut-off events. For 2768/2768 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1615 event pairs, 4 based on Foata normal form. 1/222 useless extension candidates. Maximal degree in co-relation 1623. Up to 110 conditions per place. [2023-11-06 22:33:37,393 INFO L140 encePairwiseOnDemand]: 403/412 looper letters, 71 selfloop transitions, 45 changer transitions 4/121 dead transitions. [2023-11-06 22:33:37,393 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 121 transitions, 2191 flow [2023-11-06 22:33:37,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:33:37,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-06 22:33:37,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1335 transitions. [2023-11-06 22:33:37,396 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4050364077669903 [2023-11-06 22:33:37,397 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1335 transitions. [2023-11-06 22:33:37,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1335 transitions. [2023-11-06 22:33:37,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:37,398 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1335 transitions. [2023-11-06 22:33:37,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 166.875) internal successors, (1335), 8 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:37,404 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 412.0) internal successors, (3708), 9 states have internal predecessors, (3708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:37,405 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 412.0) internal successors, (3708), 9 states have internal predecessors, (3708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:37,406 INFO L175 Difference]: Start difference. First operand has 122 places, 101 transitions, 1719 flow. Second operand 8 states and 1335 transitions. [2023-11-06 22:33:37,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 121 transitions, 2191 flow [2023-11-06 22:33:37,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 121 transitions, 1926 flow, removed 53 selfloop flow, removed 15 redundant places. [2023-11-06 22:33:37,433 INFO L231 Difference]: Finished difference. Result has 116 places, 108 transitions, 1754 flow [2023-11-06 22:33:37,433 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=1484, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1754, PETRI_PLACES=116, PETRI_TRANSITIONS=108} [2023-11-06 22:33:37,434 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 86 predicate places. [2023-11-06 22:33:37,434 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 108 transitions, 1754 flow [2023-11-06 22:33:37,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 164.5) internal successors, (1316), 8 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:37,435 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:37,435 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:37,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-06 22:33:37,435 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:37,436 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:37,436 INFO L85 PathProgramCache]: Analyzing trace with hash -144093278, now seen corresponding path program 4 times [2023-11-06 22:33:37,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:37,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608713210] [2023-11-06 22:33:37,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:37,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:38,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:38,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:38,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608713210] [2023-11-06 22:33:38,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608713210] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:38,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:38,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:33:38,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628377792] [2023-11-06 22:33:38,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:38,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:33:38,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:38,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:33:38,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:33:38,681 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 412 [2023-11-06 22:33:38,682 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 108 transitions, 1754 flow. Second operand has 8 states, 8 states have (on average 164.5) internal successors, (1316), 8 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:38,682 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:38,682 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 412 [2023-11-06 22:33:38,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:39,046 INFO L124 PetriNetUnfolderBase]: 21/214 cut-off events. [2023-11-06 22:33:39,046 INFO L125 PetriNetUnfolderBase]: For 2555/2555 co-relation queries the response was YES. [2023-11-06 22:33:39,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1519 conditions, 214 events. 21/214 cut-off events. For 2555/2555 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1533 event pairs, 4 based on Foata normal form. 2/216 useless extension candidates. Maximal degree in co-relation 1493. Up to 99 conditions per place. [2023-11-06 22:33:39,049 INFO L140 encePairwiseOnDemand]: 403/412 looper letters, 74 selfloop transitions, 42 changer transitions 8/125 dead transitions. [2023-11-06 22:33:39,050 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 125 transitions, 2147 flow [2023-11-06 22:33:39,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:33:39,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-06 22:33:39,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1501 transitions. [2023-11-06 22:33:39,053 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4048004314994606 [2023-11-06 22:33:39,053 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1501 transitions. [2023-11-06 22:33:39,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1501 transitions. [2023-11-06 22:33:39,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:39,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1501 transitions. [2023-11-06 22:33:39,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 166.77777777777777) internal successors, (1501), 9 states have internal predecessors, (1501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:39,060 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 412.0) internal successors, (4120), 10 states have internal predecessors, (4120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:39,061 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 412.0) internal successors, (4120), 10 states have internal predecessors, (4120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:39,062 INFO L175 Difference]: Start difference. First operand has 116 places, 108 transitions, 1754 flow. Second operand 9 states and 1501 transitions. [2023-11-06 22:33:39,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 125 transitions, 2147 flow [2023-11-06 22:33:39,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 125 transitions, 2087 flow, removed 3 selfloop flow, removed 4 redundant places. [2023-11-06 22:33:39,085 INFO L231 Difference]: Finished difference. Result has 122 places, 106 transitions, 1797 flow [2023-11-06 22:33:39,085 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=1699, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1797, PETRI_PLACES=122, PETRI_TRANSITIONS=106} [2023-11-06 22:33:39,086 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 92 predicate places. [2023-11-06 22:33:39,086 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 106 transitions, 1797 flow [2023-11-06 22:33:39,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 164.5) internal successors, (1316), 8 states have internal predecessors, (1316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:39,087 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:39,087 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:39,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-06 22:33:39,087 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:39,088 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:39,088 INFO L85 PathProgramCache]: Analyzing trace with hash 2062843222, now seen corresponding path program 5 times [2023-11-06 22:33:39,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:39,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982196936] [2023-11-06 22:33:39,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:39,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:39,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:39,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:39,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982196936] [2023-11-06 22:33:39,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982196936] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:39,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:39,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:33:39,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298067515] [2023-11-06 22:33:39,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:39,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:33:39,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:39,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:33:39,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:33:40,060 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 412 [2023-11-06 22:33:40,061 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 106 transitions, 1797 flow. Second operand has 8 states, 8 states have (on average 168.5) internal successors, (1348), 8 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:40,061 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:40,062 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 412 [2023-11-06 22:33:40,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:40,432 INFO L124 PetriNetUnfolderBase]: 17/202 cut-off events. [2023-11-06 22:33:40,432 INFO L125 PetriNetUnfolderBase]: For 2678/2678 co-relation queries the response was YES. [2023-11-06 22:33:40,433 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1462 conditions, 202 events. 17/202 cut-off events. For 2678/2678 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1435 event pairs, 3 based on Foata normal form. 6/208 useless extension candidates. Maximal degree in co-relation 1434. Up to 64 conditions per place. [2023-11-06 22:33:40,435 INFO L140 encePairwiseOnDemand]: 404/412 looper letters, 56 selfloop transitions, 41 changer transitions 24/122 dead transitions. [2023-11-06 22:33:40,435 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 122 transitions, 2186 flow [2023-11-06 22:33:40,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:33:40,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-06 22:33:40,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1539 transitions. [2023-11-06 22:33:40,439 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41504854368932037 [2023-11-06 22:33:40,439 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1539 transitions. [2023-11-06 22:33:40,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1539 transitions. [2023-11-06 22:33:40,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:40,440 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1539 transitions. [2023-11-06 22:33:40,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 171.0) internal successors, (1539), 9 states have internal predecessors, (1539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:40,447 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 412.0) internal successors, (4120), 10 states have internal predecessors, (4120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:40,448 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 412.0) internal successors, (4120), 10 states have internal predecessors, (4120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:40,449 INFO L175 Difference]: Start difference. First operand has 122 places, 106 transitions, 1797 flow. Second operand 9 states and 1539 transitions. [2023-11-06 22:33:40,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 122 transitions, 2186 flow [2023-11-06 22:33:40,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 122 transitions, 2125 flow, removed 3 selfloop flow, removed 7 redundant places. [2023-11-06 22:33:40,477 INFO L231 Difference]: Finished difference. Result has 125 places, 90 transitions, 1558 flow [2023-11-06 22:33:40,478 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=1738, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1558, PETRI_PLACES=125, PETRI_TRANSITIONS=90} [2023-11-06 22:33:40,478 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 95 predicate places. [2023-11-06 22:33:40,480 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 90 transitions, 1558 flow [2023-11-06 22:33:40,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 168.5) internal successors, (1348), 8 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:40,481 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:40,481 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:40,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-06 22:33:40,482 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:40,482 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:40,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1678011474, now seen corresponding path program 6 times [2023-11-06 22:33:40,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:40,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430841272] [2023-11-06 22:33:40,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:40,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:40,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:40,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:40,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430841272] [2023-11-06 22:33:40,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430841272] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:40,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:40,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:33:40,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798587490] [2023-11-06 22:33:40,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:40,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:33:40,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:40,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:33:40,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:33:41,460 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 412 [2023-11-06 22:33:41,461 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 90 transitions, 1558 flow. Second operand has 8 states, 8 states have (on average 168.5) internal successors, (1348), 8 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:41,461 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:41,461 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 412 [2023-11-06 22:33:41,461 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:41,779 INFO L124 PetriNetUnfolderBase]: 12/159 cut-off events. [2023-11-06 22:33:41,779 INFO L125 PetriNetUnfolderBase]: For 2504/2504 co-relation queries the response was YES. [2023-11-06 22:33:41,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1195 conditions, 159 events. 12/159 cut-off events. For 2504/2504 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1022 event pairs, 4 based on Foata normal form. 4/163 useless extension candidates. Maximal degree in co-relation 1167. Up to 61 conditions per place. [2023-11-06 22:33:41,781 INFO L140 encePairwiseOnDemand]: 405/412 looper letters, 55 selfloop transitions, 26 changer transitions 17/99 dead transitions. [2023-11-06 22:33:41,782 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 99 transitions, 1833 flow [2023-11-06 22:33:41,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:33:41,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-06 22:33:41,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1536 transitions. [2023-11-06 22:33:41,785 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41423948220064727 [2023-11-06 22:33:41,785 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1536 transitions. [2023-11-06 22:33:41,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1536 transitions. [2023-11-06 22:33:41,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:41,786 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1536 transitions. [2023-11-06 22:33:41,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 170.66666666666666) internal successors, (1536), 9 states have internal predecessors, (1536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:41,791 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 412.0) internal successors, (4120), 10 states have internal predecessors, (4120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:41,792 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 412.0) internal successors, (4120), 10 states have internal predecessors, (4120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:41,792 INFO L175 Difference]: Start difference. First operand has 125 places, 90 transitions, 1558 flow. Second operand 9 states and 1536 transitions. [2023-11-06 22:33:41,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 99 transitions, 1833 flow [2023-11-06 22:33:41,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 99 transitions, 1717 flow, removed 7 selfloop flow, removed 8 redundant places. [2023-11-06 22:33:41,811 INFO L231 Difference]: Finished difference. Result has 127 places, 74 transitions, 1229 flow [2023-11-06 22:33:41,811 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=1431, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1229, PETRI_PLACES=127, PETRI_TRANSITIONS=74} [2023-11-06 22:33:41,812 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 97 predicate places. [2023-11-06 22:33:41,812 INFO L495 AbstractCegarLoop]: Abstraction has has 127 places, 74 transitions, 1229 flow [2023-11-06 22:33:41,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 168.5) internal successors, (1348), 8 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:41,813 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:41,813 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:41,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-06 22:33:41,813 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:41,814 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:41,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1662937933, now seen corresponding path program 3 times [2023-11-06 22:33:41,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:41,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401907604] [2023-11-06 22:33:41,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:41,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:42,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:42,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:42,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401907604] [2023-11-06 22:33:42,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401907604] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:42,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:42,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:33:42,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131334474] [2023-11-06 22:33:42,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:42,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:33:42,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:42,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:33:42,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:33:43,323 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 412 [2023-11-06 22:33:43,325 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 74 transitions, 1229 flow. Second operand has 10 states, 10 states have (on average 162.2) internal successors, (1622), 10 states have internal predecessors, (1622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:43,325 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:43,325 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 412 [2023-11-06 22:33:43,325 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:44,098 INFO L124 PetriNetUnfolderBase]: 9/122 cut-off events. [2023-11-06 22:33:44,098 INFO L125 PetriNetUnfolderBase]: For 1731/1731 co-relation queries the response was YES. [2023-11-06 22:33:44,099 INFO L83 FinitePrefix]: Finished finitePrefix Result has 912 conditions, 122 events. 9/122 cut-off events. For 1731/1731 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 698 event pairs, 4 based on Foata normal form. 3/125 useless extension candidates. Maximal degree in co-relation 884. Up to 42 conditions per place. [2023-11-06 22:33:44,100 INFO L140 encePairwiseOnDemand]: 403/412 looper letters, 48 selfloop transitions, 35 changer transitions 0/84 dead transitions. [2023-11-06 22:33:44,101 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 84 transitions, 1416 flow [2023-11-06 22:33:44,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-06 22:33:44,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2023-11-06 22:33:44,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 3275 transitions. [2023-11-06 22:33:44,108 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39745145631067963 [2023-11-06 22:33:44,109 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 3275 transitions. [2023-11-06 22:33:44,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 3275 transitions. [2023-11-06 22:33:44,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:44,110 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 3275 transitions. [2023-11-06 22:33:44,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 163.75) internal successors, (3275), 20 states have internal predecessors, (3275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:44,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 412.0) internal successors, (8652), 21 states have internal predecessors, (8652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:44,147 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 412.0) internal successors, (8652), 21 states have internal predecessors, (8652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:44,147 INFO L175 Difference]: Start difference. First operand has 127 places, 74 transitions, 1229 flow. Second operand 20 states and 3275 transitions. [2023-11-06 22:33:44,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 84 transitions, 1416 flow [2023-11-06 22:33:44,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 84 transitions, 1307 flow, removed 7 selfloop flow, removed 9 redundant places. [2023-11-06 22:33:44,163 INFO L231 Difference]: Finished difference. Result has 136 places, 78 transitions, 1218 flow [2023-11-06 22:33:44,163 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=1074, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=1218, PETRI_PLACES=136, PETRI_TRANSITIONS=78} [2023-11-06 22:33:44,164 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 106 predicate places. [2023-11-06 22:33:44,164 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 78 transitions, 1218 flow [2023-11-06 22:33:44,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 162.2) internal successors, (1622), 10 states have internal predecessors, (1622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:44,165 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:44,165 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:44,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-06 22:33:44,166 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:44,166 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:44,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1850090414, now seen corresponding path program 7 times [2023-11-06 22:33:44,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:44,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90071724] [2023-11-06 22:33:44,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:44,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:44,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:44,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:44,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90071724] [2023-11-06 22:33:44,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90071724] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:44,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:44,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:33:44,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136925093] [2023-11-06 22:33:44,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:44,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:33:44,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:44,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:33:44,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:33:45,214 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 412 [2023-11-06 22:33:45,215 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 78 transitions, 1218 flow. Second operand has 8 states, 8 states have (on average 168.5) internal successors, (1348), 8 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:45,215 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:45,215 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 412 [2023-11-06 22:33:45,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:45,459 INFO L124 PetriNetUnfolderBase]: 9/121 cut-off events. [2023-11-06 22:33:45,459 INFO L125 PetriNetUnfolderBase]: For 1454/1454 co-relation queries the response was YES. [2023-11-06 22:33:45,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 912 conditions, 121 events. 9/121 cut-off events. For 1454/1454 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 691 event pairs, 1 based on Foata normal form. 1/122 useless extension candidates. Maximal degree in co-relation 883. Up to 60 conditions per place. [2023-11-06 22:33:45,461 INFO L140 encePairwiseOnDemand]: 403/412 looper letters, 43 selfloop transitions, 35 changer transitions 4/83 dead transitions. [2023-11-06 22:33:45,461 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 83 transitions, 1386 flow [2023-11-06 22:33:45,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:33:45,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-06 22:33:45,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1534 transitions. [2023-11-06 22:33:45,464 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41370010787486516 [2023-11-06 22:33:45,465 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1534 transitions. [2023-11-06 22:33:45,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1534 transitions. [2023-11-06 22:33:45,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:45,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1534 transitions. [2023-11-06 22:33:45,469 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 170.44444444444446) internal successors, (1534), 9 states have internal predecessors, (1534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:45,473 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 412.0) internal successors, (4120), 10 states have internal predecessors, (4120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:45,474 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 412.0) internal successors, (4120), 10 states have internal predecessors, (4120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:45,474 INFO L175 Difference]: Start difference. First operand has 136 places, 78 transitions, 1218 flow. Second operand 9 states and 1534 transitions. [2023-11-06 22:33:45,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 83 transitions, 1386 flow [2023-11-06 22:33:45,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 83 transitions, 1327 flow, removed 5 selfloop flow, removed 6 redundant places. [2023-11-06 22:33:45,490 INFO L231 Difference]: Finished difference. Result has 138 places, 74 transitions, 1164 flow [2023-11-06 22:33:45,491 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=1142, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1164, PETRI_PLACES=138, PETRI_TRANSITIONS=74} [2023-11-06 22:33:45,491 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 108 predicate places. [2023-11-06 22:33:45,491 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 74 transitions, 1164 flow [2023-11-06 22:33:45,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 168.5) internal successors, (1348), 8 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:45,492 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:45,492 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:45,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-06 22:33:45,493 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:45,493 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:45,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1863179234, now seen corresponding path program 8 times [2023-11-06 22:33:45,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:45,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665542066] [2023-11-06 22:33:45,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:45,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:46,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:46,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:46,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665542066] [2023-11-06 22:33:46,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665542066] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:46,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:46,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:33:46,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895423741] [2023-11-06 22:33:46,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:46,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:33:46,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:46,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:33:46,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:33:46,525 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 412 [2023-11-06 22:33:46,527 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 74 transitions, 1164 flow. Second operand has 8 states, 8 states have (on average 168.5) internal successors, (1348), 8 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:46,527 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:46,527 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 412 [2023-11-06 22:33:46,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:46,875 INFO L124 PetriNetUnfolderBase]: 9/125 cut-off events. [2023-11-06 22:33:46,875 INFO L125 PetriNetUnfolderBase]: For 1605/1605 co-relation queries the response was YES. [2023-11-06 22:33:46,876 INFO L83 FinitePrefix]: Finished finitePrefix Result has 953 conditions, 125 events. 9/125 cut-off events. For 1605/1605 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 737 event pairs, 1 based on Foata normal form. 2/127 useless extension candidates. Maximal degree in co-relation 924. Up to 58 conditions per place. [2023-11-06 22:33:46,877 INFO L140 encePairwiseOnDemand]: 403/412 looper letters, 43 selfloop transitions, 34 changer transitions 8/86 dead transitions. [2023-11-06 22:33:46,877 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 86 transitions, 1452 flow [2023-11-06 22:33:46,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:33:46,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-06 22:33:46,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1704 transitions. [2023-11-06 22:33:46,887 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41359223300970877 [2023-11-06 22:33:46,888 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1704 transitions. [2023-11-06 22:33:46,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1704 transitions. [2023-11-06 22:33:46,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:46,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1704 transitions. [2023-11-06 22:33:46,899 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 170.4) internal successors, (1704), 10 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) [2023-11-06 22:33:46,903 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 412.0) internal successors, (4532), 11 states have internal predecessors, (4532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:46,904 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 412.0) internal successors, (4532), 11 states have internal predecessors, (4532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:46,905 INFO L175 Difference]: Start difference. First operand has 138 places, 74 transitions, 1164 flow. Second operand 10 states and 1704 transitions. [2023-11-06 22:33:46,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 86 transitions, 1452 flow [2023-11-06 22:33:46,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 86 transitions, 1354 flow, removed 1 selfloop flow, removed 9 redundant places. [2023-11-06 22:33:46,919 INFO L231 Difference]: Finished difference. Result has 139 places, 72 transitions, 1123 flow [2023-11-06 22:33:46,919 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=1074, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1123, PETRI_PLACES=139, PETRI_TRANSITIONS=72} [2023-11-06 22:33:46,926 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 109 predicate places. [2023-11-06 22:33:46,926 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 72 transitions, 1123 flow [2023-11-06 22:33:46,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 168.5) internal successors, (1348), 8 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:46,927 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:46,927 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:46,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-06 22:33:46,928 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:46,928 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:46,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1586812272, now seen corresponding path program 9 times [2023-11-06 22:33:46,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:46,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402979337] [2023-11-06 22:33:46,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:46,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:47,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:47,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:47,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402979337] [2023-11-06 22:33:47,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402979337] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:47,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:47,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:33:47,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567069154] [2023-11-06 22:33:47,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:47,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:33:47,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:47,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:33:47,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:33:47,887 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 412 [2023-11-06 22:33:47,889 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 72 transitions, 1123 flow. Second operand has 8 states, 8 states have (on average 168.5) internal successors, (1348), 8 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:47,889 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:47,889 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 412 [2023-11-06 22:33:47,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:48,182 INFO L124 PetriNetUnfolderBase]: 7/110 cut-off events. [2023-11-06 22:33:48,182 INFO L125 PetriNetUnfolderBase]: For 1300/1300 co-relation queries the response was YES. [2023-11-06 22:33:48,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 836 conditions, 110 events. 7/110 cut-off events. For 1300/1300 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 606 event pairs, 2 based on Foata normal form. 2/112 useless extension candidates. Maximal degree in co-relation 808. Up to 38 conditions per place. [2023-11-06 22:33:48,184 INFO L140 encePairwiseOnDemand]: 404/412 looper letters, 41 selfloop transitions, 23 changer transitions 11/76 dead transitions. [2023-11-06 22:33:48,184 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 76 transitions, 1286 flow [2023-11-06 22:33:48,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:33:48,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-06 22:33:48,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1534 transitions. [2023-11-06 22:33:48,190 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41370010787486516 [2023-11-06 22:33:48,190 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1534 transitions. [2023-11-06 22:33:48,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1534 transitions. [2023-11-06 22:33:48,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:48,191 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1534 transitions. [2023-11-06 22:33:48,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 170.44444444444446) internal successors, (1534), 9 states have internal predecessors, (1534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:48,197 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 412.0) internal successors, (4120), 10 states have internal predecessors, (4120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:48,198 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 412.0) internal successors, (4120), 10 states have internal predecessors, (4120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:48,198 INFO L175 Difference]: Start difference. First operand has 139 places, 72 transitions, 1123 flow. Second operand 9 states and 1534 transitions. [2023-11-06 22:33:48,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 76 transitions, 1286 flow [2023-11-06 22:33:48,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 76 transitions, 1216 flow, removed 2 selfloop flow, removed 9 redundant places. [2023-11-06 22:33:48,211 INFO L231 Difference]: Finished difference. Result has 137 places, 61 transitions, 938 flow [2023-11-06 22:33:48,212 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=1037, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=938, PETRI_PLACES=137, PETRI_TRANSITIONS=61} [2023-11-06 22:33:48,214 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 107 predicate places. [2023-11-06 22:33:48,214 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 61 transitions, 938 flow [2023-11-06 22:33:48,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 168.5) internal successors, (1348), 8 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:48,215 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:48,215 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:48,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-06 22:33:48,215 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:48,216 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:48,216 INFO L85 PathProgramCache]: Analyzing trace with hash 255658048, now seen corresponding path program 10 times [2023-11-06 22:33:48,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:48,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232385974] [2023-11-06 22:33:48,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:48,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:48,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:48,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:48,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232385974] [2023-11-06 22:33:48,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232385974] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:48,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:48,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:33:48,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637606087] [2023-11-06 22:33:48,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:48,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:33:48,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:48,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:33:48,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:33:49,177 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 412 [2023-11-06 22:33:49,178 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 61 transitions, 938 flow. Second operand has 8 states, 8 states have (on average 168.5) internal successors, (1348), 8 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:49,178 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:49,178 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 412 [2023-11-06 22:33:49,178 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:49,449 INFO L124 PetriNetUnfolderBase]: 6/94 cut-off events. [2023-11-06 22:33:49,449 INFO L125 PetriNetUnfolderBase]: For 1069/1069 co-relation queries the response was YES. [2023-11-06 22:33:49,449 INFO L83 FinitePrefix]: Finished finitePrefix Result has 709 conditions, 94 events. 6/94 cut-off events. For 1069/1069 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 473 event pairs, 4 based on Foata normal form. 2/96 useless extension candidates. Maximal degree in co-relation 683. Up to 45 conditions per place. [2023-11-06 22:33:49,450 INFO L140 encePairwiseOnDemand]: 405/412 looper letters, 40 selfloop transitions, 12 changer transitions 11/64 dead transitions. [2023-11-06 22:33:49,450 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 64 transitions, 1058 flow [2023-11-06 22:33:49,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:33:49,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-06 22:33:49,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1533 transitions. [2023-11-06 22:33:49,452 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4134304207119741 [2023-11-06 22:33:49,452 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1533 transitions. [2023-11-06 22:33:49,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1533 transitions. [2023-11-06 22:33:49,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:49,453 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1533 transitions. [2023-11-06 22:33:49,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 170.33333333333334) internal successors, (1533), 9 states have internal predecessors, (1533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:49,457 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 412.0) internal successors, (4120), 10 states have internal predecessors, (4120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:49,458 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 412.0) internal successors, (4120), 10 states have internal predecessors, (4120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:49,458 INFO L175 Difference]: Start difference. First operand has 137 places, 61 transitions, 938 flow. Second operand 9 states and 1533 transitions. [2023-11-06 22:33:49,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 64 transitions, 1058 flow [2023-11-06 22:33:49,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 64 transitions, 905 flow, removed 2 selfloop flow, removed 21 redundant places. [2023-11-06 22:33:49,468 INFO L231 Difference]: Finished difference. Result has 118 places, 51 transitions, 683 flow [2023-11-06 22:33:49,469 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=766, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=683, PETRI_PLACES=118, PETRI_TRANSITIONS=51} [2023-11-06 22:33:49,469 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 88 predicate places. [2023-11-06 22:33:49,469 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 51 transitions, 683 flow [2023-11-06 22:33:49,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 168.5) internal successors, (1348), 8 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:49,470 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:49,470 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:49,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-06 22:33:49,470 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:49,471 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:49,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1126207134, now seen corresponding path program 11 times [2023-11-06 22:33:49,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:49,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797536612] [2023-11-06 22:33:49,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:49,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:49,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:50,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:50,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:50,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797536612] [2023-11-06 22:33:50,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797536612] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:50,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:50,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:33:50,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243099496] [2023-11-06 22:33:50,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:50,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:33:50,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:50,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:33:50,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:33:50,912 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 412 [2023-11-06 22:33:50,913 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 51 transitions, 683 flow. Second operand has 9 states, 9 states have (on average 163.33333333333334) internal successors, (1470), 9 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:50,913 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:50,913 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 412 [2023-11-06 22:33:50,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:51,414 INFO L124 PetriNetUnfolderBase]: 2/73 cut-off events. [2023-11-06 22:33:51,414 INFO L125 PetriNetUnfolderBase]: For 595/595 co-relation queries the response was YES. [2023-11-06 22:33:51,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 510 conditions, 73 events. 2/73 cut-off events. For 595/595 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 334 event pairs, 0 based on Foata normal form. 2/75 useless extension candidates. Maximal degree in co-relation 489. Up to 19 conditions per place. [2023-11-06 22:33:51,415 INFO L140 encePairwiseOnDemand]: 404/412 looper letters, 29 selfloop transitions, 27 changer transitions 0/57 dead transitions. [2023-11-06 22:33:51,415 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 57 transitions, 820 flow [2023-11-06 22:33:51,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:33:51,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-06 22:33:51,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1652 transitions. [2023-11-06 22:33:51,418 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4009708737864078 [2023-11-06 22:33:51,419 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1652 transitions. [2023-11-06 22:33:51,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1652 transitions. [2023-11-06 22:33:51,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:51,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1652 transitions. [2023-11-06 22:33:51,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 165.2) internal successors, (1652), 10 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:51,426 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 412.0) internal successors, (4532), 11 states have internal predecessors, (4532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:51,427 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 412.0) internal successors, (4532), 11 states have internal predecessors, (4532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:51,428 INFO L175 Difference]: Start difference. First operand has 118 places, 51 transitions, 683 flow. Second operand 10 states and 1652 transitions. [2023-11-06 22:33:51,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 57 transitions, 820 flow [2023-11-06 22:33:51,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 57 transitions, 736 flow, removed 9 selfloop flow, removed 12 redundant places. [2023-11-06 22:33:51,435 INFO L231 Difference]: Finished difference. Result has 112 places, 52 transitions, 671 flow [2023-11-06 22:33:51,435 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=599, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=671, PETRI_PLACES=112, PETRI_TRANSITIONS=52} [2023-11-06 22:33:51,436 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 82 predicate places. [2023-11-06 22:33:51,436 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 52 transitions, 671 flow [2023-11-06 22:33:51,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 163.33333333333334) internal successors, (1470), 9 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:51,437 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:51,437 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:51,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-06 22:33:51,437 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:51,449 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:51,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1773165806, now seen corresponding path program 12 times [2023-11-06 22:33:51,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:51,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843262907] [2023-11-06 22:33:51,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:51,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:51,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:51,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:51,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843262907] [2023-11-06 22:33:51,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843262907] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:51,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:51,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:33:51,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357890315] [2023-11-06 22:33:51,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:51,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:33:51,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:51,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:33:51,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:33:52,262 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 412 [2023-11-06 22:33:52,263 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 52 transitions, 671 flow. Second operand has 8 states, 8 states have (on average 168.5) internal successors, (1348), 8 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:52,263 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:52,263 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 412 [2023-11-06 22:33:52,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:52,530 INFO L124 PetriNetUnfolderBase]: 2/72 cut-off events. [2023-11-06 22:33:52,531 INFO L125 PetriNetUnfolderBase]: For 526/526 co-relation queries the response was YES. [2023-11-06 22:33:52,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 491 conditions, 72 events. 2/72 cut-off events. For 526/526 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 327 event pairs, 0 based on Foata normal form. 1/73 useless extension candidates. Maximal degree in co-relation 472. Up to 22 conditions per place. [2023-11-06 22:33:52,532 INFO L140 encePairwiseOnDemand]: 405/412 looper letters, 32 selfloop transitions, 16 changer transitions 6/55 dead transitions. [2023-11-06 22:33:52,532 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 55 transitions, 787 flow [2023-11-06 22:33:52,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:33:52,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-06 22:33:52,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1532 transitions. [2023-11-06 22:33:52,535 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41316073354908306 [2023-11-06 22:33:52,535 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1532 transitions. [2023-11-06 22:33:52,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1532 transitions. [2023-11-06 22:33:52,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:52,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1532 transitions. [2023-11-06 22:33:52,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 170.22222222222223) internal successors, (1532), 9 states have internal predecessors, (1532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:52,542 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 412.0) internal successors, (4120), 10 states have internal predecessors, (4120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:52,543 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 412.0) internal successors, (4120), 10 states have internal predecessors, (4120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:52,543 INFO L175 Difference]: Start difference. First operand has 112 places, 52 transitions, 671 flow. Second operand 9 states and 1532 transitions. [2023-11-06 22:33:52,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 55 transitions, 787 flow [2023-11-06 22:33:52,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 55 transitions, 740 flow, removed 5 selfloop flow, removed 5 redundant places. [2023-11-06 22:33:52,549 INFO L231 Difference]: Finished difference. Result has 116 places, 48 transitions, 608 flow [2023-11-06 22:33:52,550 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=608, PETRI_PLACES=116, PETRI_TRANSITIONS=48} [2023-11-06 22:33:52,550 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 86 predicate places. [2023-11-06 22:33:52,551 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 48 transitions, 608 flow [2023-11-06 22:33:52,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 168.5) internal successors, (1348), 8 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:52,551 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:52,551 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:52,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-06 22:33:52,552 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:52,552 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:52,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1662937932, now seen corresponding path program 13 times [2023-11-06 22:33:52,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:52,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019937843] [2023-11-06 22:33:52,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:52,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:52,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:52,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:52,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019937843] [2023-11-06 22:33:52,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019937843] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:52,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:52,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:33:52,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200216267] [2023-11-06 22:33:52,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:52,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:33:52,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:52,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:33:52,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:33:53,461 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 412 [2023-11-06 22:33:53,462 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 48 transitions, 608 flow. Second operand has 8 states, 8 states have (on average 168.5) internal successors, (1348), 8 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:53,463 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:53,463 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 412 [2023-11-06 22:33:53,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:53,711 INFO L124 PetriNetUnfolderBase]: 2/63 cut-off events. [2023-11-06 22:33:53,711 INFO L125 PetriNetUnfolderBase]: For 439/439 co-relation queries the response was YES. [2023-11-06 22:33:53,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 432 conditions, 63 events. 2/63 cut-off events. For 439/439 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 256 event pairs, 1 based on Foata normal form. 2/65 useless extension candidates. Maximal degree in co-relation 414. Up to 14 conditions per place. [2023-11-06 22:33:53,712 INFO L140 encePairwiseOnDemand]: 405/412 looper letters, 26 selfloop transitions, 14 changer transitions 8/49 dead transitions. [2023-11-06 22:33:53,712 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 49 transitions, 682 flow [2023-11-06 22:33:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:33:53,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-06 22:33:53,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1365 transitions. [2023-11-06 22:33:53,719 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41413834951456313 [2023-11-06 22:33:53,720 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1365 transitions. [2023-11-06 22:33:53,720 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1365 transitions. [2023-11-06 22:33:53,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:53,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1365 transitions. [2023-11-06 22:33:53,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 170.625) internal successors, (1365), 8 states have internal predecessors, (1365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:53,726 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 412.0) internal successors, (3708), 9 states have internal predecessors, (3708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:53,727 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 412.0) internal successors, (3708), 9 states have internal predecessors, (3708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:53,727 INFO L175 Difference]: Start difference. First operand has 116 places, 48 transitions, 608 flow. Second operand 8 states and 1365 transitions. [2023-11-06 22:33:53,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 49 transitions, 682 flow [2023-11-06 22:33:53,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 49 transitions, 636 flow, removed 0 selfloop flow, removed 10 redundant places. [2023-11-06 22:33:53,735 INFO L231 Difference]: Finished difference. Result has 110 places, 39 transitions, 470 flow [2023-11-06 22:33:53,736 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=531, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=470, PETRI_PLACES=110, PETRI_TRANSITIONS=39} [2023-11-06 22:33:53,736 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 80 predicate places. [2023-11-06 22:33:53,737 INFO L495 AbstractCegarLoop]: Abstraction has has 110 places, 39 transitions, 470 flow [2023-11-06 22:33:53,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 168.5) internal successors, (1348), 8 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:53,737 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:53,737 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:53,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-06 22:33:53,738 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:53,738 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:53,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1589334943, now seen corresponding path program 4 times [2023-11-06 22:33:53,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:53,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154867481] [2023-11-06 22:33:53,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:53,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:54,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:54,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:54,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154867481] [2023-11-06 22:33:54,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154867481] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:54,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:54,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:33:54,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299807042] [2023-11-06 22:33:54,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:54,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:33:54,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:54,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:33:54,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:33:55,079 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 412 [2023-11-06 22:33:55,081 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 39 transitions, 470 flow. Second operand has 10 states, 10 states have (on average 160.2) internal successors, (1602), 10 states have internal predecessors, (1602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:55,081 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:55,081 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 412 [2023-11-06 22:33:55,081 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:55,540 INFO L124 PetriNetUnfolderBase]: 2/50 cut-off events. [2023-11-06 22:33:55,540 INFO L125 PetriNetUnfolderBase]: For 316/316 co-relation queries the response was YES. [2023-11-06 22:33:55,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 326 conditions, 50 events. 2/50 cut-off events. For 316/316 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 163 event pairs, 1 based on Foata normal form. 2/52 useless extension candidates. Maximal degree in co-relation 309. Up to 19 conditions per place. [2023-11-06 22:33:55,541 INFO L140 encePairwiseOnDemand]: 403/412 looper letters, 20 selfloop transitions, 10 changer transitions 10/41 dead transitions. [2023-11-06 22:33:55,541 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 41 transitions, 508 flow [2023-11-06 22:33:55,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:33:55,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2023-11-06 22:33:55,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2259 transitions. [2023-11-06 22:33:55,546 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39164355062413314 [2023-11-06 22:33:55,546 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2259 transitions. [2023-11-06 22:33:55,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2259 transitions. [2023-11-06 22:33:55,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:55,548 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2259 transitions. [2023-11-06 22:33:55,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 161.35714285714286) internal successors, (2259), 14 states have internal predecessors, (2259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:55,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 412.0) internal successors, (6180), 15 states have internal predecessors, (6180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:55,562 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 412.0) internal successors, (6180), 15 states have internal predecessors, (6180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:55,562 INFO L175 Difference]: Start difference. First operand has 110 places, 39 transitions, 470 flow. Second operand 14 states and 2259 transitions. [2023-11-06 22:33:55,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 41 transitions, 508 flow [2023-11-06 22:33:55,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 41 transitions, 429 flow, removed 1 selfloop flow, removed 14 redundant places. [2023-11-06 22:33:55,567 INFO L231 Difference]: Finished difference. Result has 100 places, 29 transitions, 280 flow [2023-11-06 22:33:55,567 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=280, PETRI_PLACES=100, PETRI_TRANSITIONS=29} [2023-11-06 22:33:55,568 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 70 predicate places. [2023-11-06 22:33:55,568 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 29 transitions, 280 flow [2023-11-06 22:33:55,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 160.2) internal successors, (1602), 10 states have internal predecessors, (1602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:55,569 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:55,569 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:55,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-06 22:33:55,570 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:55,570 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:55,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1846901910, now seen corresponding path program 14 times [2023-11-06 22:33:55,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:55,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962941470] [2023-11-06 22:33:55,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:55,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:55,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:55,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:55,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962941470] [2023-11-06 22:33:55,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962941470] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:55,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:55,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:33:55,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820984831] [2023-11-06 22:33:55,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:55,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:33:55,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:55,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:33:55,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:33:56,283 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 412 [2023-11-06 22:33:56,284 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 29 transitions, 280 flow. Second operand has 8 states, 8 states have (on average 168.5) internal successors, (1348), 8 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:56,284 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:56,284 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 412 [2023-11-06 22:33:56,284 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:56,511 INFO L124 PetriNetUnfolderBase]: 1/36 cut-off events. [2023-11-06 22:33:56,511 INFO L125 PetriNetUnfolderBase]: For 138/138 co-relation queries the response was YES. [2023-11-06 22:33:56,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 220 conditions, 36 events. 1/36 cut-off events. For 138/138 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 81 event pairs, 0 based on Foata normal form. 1/37 useless extension candidates. Maximal degree in co-relation 204. Up to 12 conditions per place. [2023-11-06 22:33:56,512 INFO L140 encePairwiseOnDemand]: 405/412 looper letters, 14 selfloop transitions, 8 changer transitions 8/31 dead transitions. [2023-11-06 22:33:56,512 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 31 transitions, 338 flow [2023-11-06 22:33:56,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:33:56,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-06 22:33:56,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1528 transitions. [2023-11-06 22:33:56,515 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4120819848975189 [2023-11-06 22:33:56,515 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1528 transitions. [2023-11-06 22:33:56,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1528 transitions. [2023-11-06 22:33:56,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:56,516 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1528 transitions. [2023-11-06 22:33:56,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 169.77777777777777) internal successors, (1528), 9 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:56,521 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 412.0) internal successors, (4120), 10 states have internal predecessors, (4120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:56,522 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 412.0) internal successors, (4120), 10 states have internal predecessors, (4120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:56,523 INFO L175 Difference]: Start difference. First operand has 100 places, 29 transitions, 280 flow. Second operand 9 states and 1528 transitions. [2023-11-06 22:33:56,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 31 transitions, 338 flow [2023-11-06 22:33:56,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 31 transitions, 302 flow, removed 3 selfloop flow, removed 12 redundant places. [2023-11-06 22:33:56,525 INFO L231 Difference]: Finished difference. Result has 85 places, 21 transitions, 208 flow [2023-11-06 22:33:56,525 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=208, PETRI_PLACES=85, PETRI_TRANSITIONS=21} [2023-11-06 22:33:56,526 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 55 predicate places. [2023-11-06 22:33:56,526 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 21 transitions, 208 flow [2023-11-06 22:33:56,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 168.5) internal successors, (1348), 8 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:56,527 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:56,527 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:56,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-06 22:33:56,527 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:56,528 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:56,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1126207135, now seen corresponding path program 5 times [2023-11-06 22:33:56,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:56,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376335533] [2023-11-06 22:33:56,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:56,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:57,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:57,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:57,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376335533] [2023-11-06 22:33:57,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376335533] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:57,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:57,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:33:57,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65482439] [2023-11-06 22:33:57,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:57,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:33:57,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:57,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:33:57,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:33:58,027 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 412 [2023-11-06 22:33:58,028 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 21 transitions, 208 flow. Second operand has 10 states, 10 states have (on average 160.2) internal successors, (1602), 10 states have internal predecessors, (1602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:58,028 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:58,028 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 412 [2023-11-06 22:33:58,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:33:58,438 INFO L124 PetriNetUnfolderBase]: 1/24 cut-off events. [2023-11-06 22:33:58,439 INFO L125 PetriNetUnfolderBase]: For 96/96 co-relation queries the response was YES. [2023-11-06 22:33:58,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 24 events. 1/24 cut-off events. For 96/96 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 36 event pairs, 0 based on Foata normal form. 2/26 useless extension candidates. Maximal degree in co-relation 127. Up to 6 conditions per place. [2023-11-06 22:33:58,439 INFO L140 encePairwiseOnDemand]: 403/412 looper letters, 5 selfloop transitions, 8 changer transitions 7/21 dead transitions. [2023-11-06 22:33:58,441 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 21 transitions, 211 flow [2023-11-06 22:33:58,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:33:58,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-06 22:33:58,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1610 transitions. [2023-11-06 22:33:58,444 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3907766990291262 [2023-11-06 22:33:58,444 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1610 transitions. [2023-11-06 22:33:58,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1610 transitions. [2023-11-06 22:33:58,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:33:58,445 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1610 transitions. [2023-11-06 22:33:58,447 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 161.0) internal successors, (1610), 10 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:58,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 412.0) internal successors, (4532), 11 states have internal predecessors, (4532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:58,451 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 412.0) internal successors, (4532), 11 states have internal predecessors, (4532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:58,451 INFO L175 Difference]: Start difference. First operand has 85 places, 21 transitions, 208 flow. Second operand 10 states and 1610 transitions. [2023-11-06 22:33:58,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 21 transitions, 211 flow [2023-11-06 22:33:58,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 21 transitions, 158 flow, removed 4 selfloop flow, removed 15 redundant places. [2023-11-06 22:33:58,453 INFO L231 Difference]: Finished difference. Result has 63 places, 14 transitions, 96 flow [2023-11-06 22:33:58,453 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=96, PETRI_PLACES=63, PETRI_TRANSITIONS=14} [2023-11-06 22:33:58,454 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 33 predicate places. [2023-11-06 22:33:58,454 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 14 transitions, 96 flow [2023-11-06 22:33:58,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 160.2) internal successors, (1602), 10 states have internal predecessors, (1602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:58,454 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:33:58,455 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:33:58,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-11-06 22:33:58,455 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:33:58,455 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:33:58,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1113118315, now seen corresponding path program 6 times [2023-11-06 22:33:58,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:33:58,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793022952] [2023-11-06 22:33:58,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:58,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:33:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:59,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:33:59,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:33:59,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793022952] [2023-11-06 22:33:59,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793022952] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:33:59,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:33:59,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:33:59,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279730385] [2023-11-06 22:33:59,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:33:59,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:33:59,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:33:59,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:33:59,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:33:59,827 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 412 [2023-11-06 22:33:59,829 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 14 transitions, 96 flow. Second operand has 10 states, 10 states have (on average 160.2) internal successors, (1602), 10 states have internal predecessors, (1602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:33:59,829 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:33:59,829 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 412 [2023-11-06 22:33:59,829 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:34:00,077 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events. [2023-11-06 22:34:00,078 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2023-11-06 22:34:00,078 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 13 events. 0/13 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 1 event pairs, 0 based on Foata normal form. 1/14 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2023-11-06 22:34:00,078 INFO L140 encePairwiseOnDemand]: 405/412 looper letters, 6 selfloop transitions, 6 changer transitions 0/13 dead transitions. [2023-11-06 22:34:00,078 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 13 transitions, 99 flow [2023-11-06 22:34:00,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:34:00,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-06 22:34:00,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1285 transitions. [2023-11-06 22:34:00,080 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3898665048543689 [2023-11-06 22:34:00,081 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1285 transitions. [2023-11-06 22:34:00,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1285 transitions. [2023-11-06 22:34:00,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:34:00,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1285 transitions. [2023-11-06 22:34:00,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 160.625) internal successors, (1285), 8 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:00,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 412.0) internal successors, (3708), 9 states have internal predecessors, (3708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:00,087 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 412.0) internal successors, (3708), 9 states have internal predecessors, (3708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:00,088 INFO L175 Difference]: Start difference. First operand has 63 places, 14 transitions, 96 flow. Second operand 8 states and 1285 transitions. [2023-11-06 22:34:00,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 13 transitions, 99 flow [2023-11-06 22:34:00,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 13 transitions, 61 flow, removed 1 selfloop flow, removed 18 redundant places. [2023-11-06 22:34:00,089 INFO L231 Difference]: Finished difference. Result has 34 places, 13 transitions, 49 flow [2023-11-06 22:34:00,089 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=37, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=7, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=49, PETRI_PLACES=34, PETRI_TRANSITIONS=13} [2023-11-06 22:34:00,090 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 4 predicate places. [2023-11-06 22:34:00,090 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 13 transitions, 49 flow [2023-11-06 22:34:00,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 160.2) internal successors, (1602), 10 states have internal predecessors, (1602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:00,090 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:34:00,091 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:00,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-11-06 22:34:00,091 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-06 22:34:00,092 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:00,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1113118314, now seen corresponding path program 15 times [2023-11-06 22:34:00,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:00,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598412638] [2023-11-06 22:34:00,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:00,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:00,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:34:00,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:00,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598412638] [2023-11-06 22:34:00,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598412638] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:00,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:00,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:34:00,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144671318] [2023-11-06 22:34:00,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:00,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:34:00,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:00,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:34:00,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:34:01,326 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 412 [2023-11-06 22:34:01,327 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 13 transitions, 49 flow. Second operand has 9 states, 9 states have (on average 163.33333333333334) internal successors, (1470), 9 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:01,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:34:01,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 412 [2023-11-06 22:34:01,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:34:01,522 INFO L124 PetriNetUnfolderBase]: 0/12 cut-off events. [2023-11-06 22:34:01,522 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:34:01,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 12 events. 0/12 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 1/13 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2023-11-06 22:34:01,523 INFO L140 encePairwiseOnDemand]: 406/412 looper letters, 0 selfloop transitions, 0 changer transitions 12/12 dead transitions. [2023-11-06 22:34:01,523 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 12 transitions, 62 flow [2023-11-06 22:34:01,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:34:01,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-06 22:34:01,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1146 transitions. [2023-11-06 22:34:01,525 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3973647711511789 [2023-11-06 22:34:01,525 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1146 transitions. [2023-11-06 22:34:01,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1146 transitions. [2023-11-06 22:34:01,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:34:01,525 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1146 transitions. [2023-11-06 22:34:01,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 163.71428571428572) internal successors, (1146), 7 states have internal predecessors, (1146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:01,529 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 412.0) internal successors, (3296), 8 states have internal predecessors, (3296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:01,530 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 412.0) internal successors, (3296), 8 states have internal predecessors, (3296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:01,530 INFO L175 Difference]: Start difference. First operand has 34 places, 13 transitions, 49 flow. Second operand 7 states and 1146 transitions. [2023-11-06 22:34:01,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 12 transitions, 62 flow [2023-11-06 22:34:01,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 12 transitions, 51 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-06 22:34:01,531 INFO L231 Difference]: Finished difference. Result has 26 places, 0 transitions, 0 flow [2023-11-06 22:34:01,531 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=412, PETRI_DIFFERENCE_MINUEND_FLOW=29, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=26, PETRI_TRANSITIONS=0} [2023-11-06 22:34:01,532 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, -4 predicate places. [2023-11-06 22:34:01,532 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 0 transitions, 0 flow [2023-11-06 22:34:01,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 163.33333333333334) internal successors, (1470), 9 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:01,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2023-11-06 22:34:01,536 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2023-11-06 22:34:01,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-06 22:34:01,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-06 22:34:01,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-06 22:34:01,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-06 22:34:01,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-06 22:34:01,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-06 22:34:01,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-11-06 22:34:01,545 INFO L445 BasicCegarLoop]: Path program histogram: [15, 6, 3, 3, 3, 2, 2, 1, 1, 1, 1] [2023-11-06 22:34:01,551 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 22:34:01,551 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:34:01,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:34:01 BasicIcfg [2023-11-06 22:34:01,555 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:34:01,556 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:34:01,556 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:34:01,556 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:34:01,557 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:32:50" (3/4) ... [2023-11-06 22:34:01,559 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:34:01,562 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2023-11-06 22:34:01,573 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-06 22:34:01,574 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-06 22:34:01,575 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:34:01,575 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:34:01,662 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e2ab0e-2f72-4f2b-9416-b7f66fa03267/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:34:01,663 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e2ab0e-2f72-4f2b-9416-b7f66fa03267/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:34:01,663 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:34:01,669 INFO L158 Benchmark]: Toolchain (without parser) took 73403.84ms. Allocated memory was 163.6MB in the beginning and 629.1MB in the end (delta: 465.6MB). Free memory was 115.2MB in the beginning and 422.2MB in the end (delta: -306.9MB). Peak memory consumption was 160.4MB. Max. memory is 16.1GB. [2023-11-06 22:34:01,672 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 163.6MB. Free memory is still 136.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:34:01,672 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1585.50ms. Allocated memory is still 163.6MB. Free memory was 114.9MB in the beginning and 60.4MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2023-11-06 22:34:01,672 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.70ms. Allocated memory is still 163.6MB. Free memory was 60.4MB in the beginning and 57.2MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:34:01,674 INFO L158 Benchmark]: Boogie Preprocessor took 105.67ms. Allocated memory is still 163.6MB. Free memory was 133.7MB in the beginning and 130.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:34:01,674 INFO L158 Benchmark]: RCFGBuilder took 817.89ms. Allocated memory is still 163.6MB. Free memory was 130.7MB in the beginning and 105.4MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-06 22:34:01,675 INFO L158 Benchmark]: TraceAbstraction took 70629.49ms. Allocated memory was 163.6MB in the beginning and 629.1MB in the end (delta: 465.6MB). Free memory was 104.5MB in the beginning and 426.4MB in the end (delta: -321.8MB). Peak memory consumption was 143.5MB. Max. memory is 16.1GB. [2023-11-06 22:34:01,675 INFO L158 Benchmark]: Witness Printer took 107.44ms. Allocated memory is still 629.1MB. Free memory was 426.4MB in the beginning and 422.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:34:01,677 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 163.6MB. Free memory is still 136.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1585.50ms. Allocated memory is still 163.6MB. Free memory was 114.9MB in the beginning and 60.4MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.70ms. Allocated memory is still 163.6MB. Free memory was 60.4MB in the beginning and 57.2MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.67ms. Allocated memory is still 163.6MB. Free memory was 133.7MB in the beginning and 130.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 817.89ms. Allocated memory is still 163.6MB. Free memory was 130.7MB in the beginning and 105.4MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 70629.49ms. Allocated memory was 163.6MB in the beginning and 629.1MB in the end (delta: 465.6MB). Free memory was 104.5MB in the beginning and 426.4MB in the end (delta: -321.8MB). Peak memory consumption was 143.5MB. Max. memory is 16.1GB. * Witness Printer took 107.44ms. Allocated memory is still 629.1MB. Free memory was 426.4MB in the beginning and 422.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16.1s, 170 PlacesBefore, 30 PlacesAfterwards, 171 TransitionsBefore, 25 TransitionsAfterwards, 4004 CoEnabledTransitionPairs, 8 FixpointIterations, 68 TrivialSequentialCompositions, 81 ConcurrentSequentialCompositions, 20 TrivialYvCompositions, 21 ConcurrentYvCompositions, 6 ChoiceCompositions, 196 TotalNumberOfCompositions, 8417 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3703, independent: 3450, independent conditional: 0, independent unconditional: 3450, dependent: 253, dependent conditional: 0, dependent unconditional: 253, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2341, independent: 2289, independent conditional: 0, independent unconditional: 2289, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3703, independent: 1161, independent conditional: 0, independent unconditional: 1161, dependent: 201, dependent conditional: 0, dependent unconditional: 201, unknown: 2341, unknown conditional: 0, unknown unconditional: 2341] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 26, Positive conditional cache size: 0, Positive unconditional cache size: 26, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 1699]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1699]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 219 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 70.4s, OverallIterations: 38, TraceHistogramMax: 1, PathProgramHistogramMax: 15, EmptinessCheckTime: 0.0s, AutomataDifference: 30.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 16.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7691 SdHoareTripleChecker+Valid, 21.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5714 mSDsluCounter, 4082 SdHoareTripleChecker+Invalid, 18.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3792 mSDsCounter, 845 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20233 IncrementalHoareTripleChecker+Invalid, 21078 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 845 mSolverCounterUnsat, 290 mSDtfsCounter, 20233 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 422 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 418 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 628 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1797occurred in iteration=23, InterpolantAutomatonStates: 350, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 21.6s InterpolantComputationTime, 385 NumberOfCodeBlocks, 385 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 347 ConstructedInterpolants, 0 QuantifiedInterpolants, 5211 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 38 InterpolantComputations, 38 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 22:34:01,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31e2ab0e-2f72-4f2b-9416-b7f66fa03267/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE