./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-2_1-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85185db-3878-489f-a3a4-c179c14a3647/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85185db-3878-489f-a3a4-c179c14a3647/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85185db-3878-489f-a3a4-c179c14a3647/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85185db-3878-489f-a3a4-c179c14a3647/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_1-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85185db-3878-489f-a3a4-c179c14a3647/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85185db-3878-489f-a3a4-c179c14a3647/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash edceb7bcc6473f68e1454dc7ab02ec33e8dca99fdd725419b9e71852c466530e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:16:44,530 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:16:44,627 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85185db-3878-489f-a3a4-c179c14a3647/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 03:16:44,634 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:16:44,634 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:16:44,665 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:16:44,666 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:16:44,666 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:16:44,667 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:16:44,667 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:16:44,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:16:44,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:16:44,668 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:16:44,668 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:16:44,668 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:16:44,668 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:16:44,668 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:16:44,669 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:16:44,669 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:16:44,669 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:16:44,669 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:16:44,669 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:16:44,669 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:16:44,669 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:16:44,670 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 03:16:44,670 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:16:44,670 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:16:44,670 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:16:44,670 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:16:44,670 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:16:44,670 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:16:44,670 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:16:44,671 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:16:44,671 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:16:44,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:16:44,671 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:16:44,671 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:16:44,671 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:16:44,671 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:16:44,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:16:44,671 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:16:44,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:16:44,672 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:16:44,672 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:16:44,672 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:16:44,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:16:44,672 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:16:44,672 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:16:44,672 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:16:44,672 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:16:44,672 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_e85185db-3878-489f-a3a4-c179c14a3647/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> edceb7bcc6473f68e1454dc7ab02ec33e8dca99fdd725419b9e71852c466530e [2024-11-28 03:16:45,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:16:45,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:16:45,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:16:45,124 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:16:45,125 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:16:45,126 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85185db-3878-489f-a3a4-c179c14a3647/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2024-11-28 03:16:48,899 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85185db-3878-489f-a3a4-c179c14a3647/bin/uautomizer-verify-aQ6SnzHsRB/data/fe00c56b7/7f2dd6052a394c8ba31b2762769305c7/FLAGb86a24e15 [2024-11-28 03:16:49,435 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:16:49,438 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85185db-3878-489f-a3a4-c179c14a3647/sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2024-11-28 03:16:49,498 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85185db-3878-489f-a3a4-c179c14a3647/bin/uautomizer-verify-aQ6SnzHsRB/data/fe00c56b7/7f2dd6052a394c8ba31b2762769305c7/FLAGb86a24e15 [2024-11-28 03:16:49,530 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85185db-3878-489f-a3a4-c179c14a3647/bin/uautomizer-verify-aQ6SnzHsRB/data/fe00c56b7/7f2dd6052a394c8ba31b2762769305c7 [2024-11-28 03:16:49,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:16:49,536 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:16:49,539 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:16:49,540 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:16:49,550 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:16:49,551 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:16:49" (1/1) ... [2024-11-28 03:16:49,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fbd872d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:49, skipping insertion in model container [2024-11-28 03:16:49,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:16:49" (1/1) ... [2024-11-28 03:16:49,654 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:16:50,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:16:50,294 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:16:50,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:16:50,462 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:16:50,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:50 WrapperNode [2024-11-28 03:16:50,463 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:16:50,466 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:16:50,466 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:16:50,466 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:16:50,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:50" (1/1) ... [2024-11-28 03:16:50,517 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:50" (1/1) ... [2024-11-28 03:16:50,561 INFO L138 Inliner]: procedures = 246, calls = 40, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 144 [2024-11-28 03:16:50,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:16:50,562 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:16:50,563 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:16:50,563 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:16:50,574 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:50" (1/1) ... [2024-11-28 03:16:50,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:50" (1/1) ... [2024-11-28 03:16:50,584 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:50" (1/1) ... [2024-11-28 03:16:50,624 INFO L175 MemorySlicer]: Split 17 memory accesses to 3 slices as follows [2, 2, 13]. 76 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 8 writes are split as follows [0, 2, 6]. [2024-11-28 03:16:50,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:50" (1/1) ... [2024-11-28 03:16:50,625 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:50" (1/1) ... [2024-11-28 03:16:50,655 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:50" (1/1) ... [2024-11-28 03:16:50,656 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:50" (1/1) ... [2024-11-28 03:16:50,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:50" (1/1) ... [2024-11-28 03:16:50,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:50" (1/1) ... [2024-11-28 03:16:50,676 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:50" (1/1) ... [2024-11-28 03:16:50,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:16:50,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:16:50,687 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:16:50,687 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:16:50,692 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:50" (1/1) ... [2024-11-28 03:16:50,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:16:50,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85185db-3878-489f-a3a4-c179c14a3647/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:16:50,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85185db-3878-489f-a3a4-c179c14a3647/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:16:50,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85185db-3878-489f-a3a4-c179c14a3647/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:16:50,782 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-28 03:16:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-28 03:16:50,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:16:50,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:16:50,783 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-28 03:16:50,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:16:50,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:16:50,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 03:16:50,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:16:50,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:16:50,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 03:16:50,784 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-28 03:16:50,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:16:50,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 03:16:50,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 03:16:50,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 03:16:50,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:16:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:16:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:16:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:16:50,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:16:50,788 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 03:16:51,236 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:16:51,238 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:16:51,725 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:16:51,726 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:16:52,139 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:16:52,140 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:16:52,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:52 BoogieIcfgContainer [2024-11-28 03:16:52,140 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:16:52,144 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:16:52,144 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:16:52,151 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:16:52,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:16:49" (1/3) ... [2024-11-28 03:16:52,152 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34fabcbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:16:52, skipping insertion in model container [2024-11-28 03:16:52,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:50" (2/3) ... [2024-11-28 03:16:52,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34fabcbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:16:52, skipping insertion in model container [2024-11-28 03:16:52,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:52" (3/3) ... [2024-11-28 03:16:52,156 INFO L128 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2024-11-28 03:16:52,177 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:16:52,180 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-2_1-container_of.i that has 2 procedures, 26 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-28 03:16:52,181 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:16:52,276 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-28 03:16:52,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 38 transitions, 90 flow [2024-11-28 03:16:52,397 INFO L124 PetriNetUnfolderBase]: 2/41 cut-off events. [2024-11-28 03:16:52,403 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 03:16:52,411 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 41 events. 2/41 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 79 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 23. Up to 3 conditions per place. [2024-11-28 03:16:52,411 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 38 transitions, 90 flow [2024-11-28 03:16:52,417 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 39 places, 32 transitions, 73 flow [2024-11-28 03:16:52,436 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:16:52,458 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5598c662, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:16:52,460 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-28 03:16:52,478 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:16:52,478 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events. [2024-11-28 03:16:52,478 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:16:52,478 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:16:52,479 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:16:52,480 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:16:52,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:16:52,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1341841268, now seen corresponding path program 1 times [2024-11-28 03:16:52,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:16:52,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211714756] [2024-11-28 03:16:52,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:52,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:16:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:54,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:16:54,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:16:54,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211714756] [2024-11-28 03:16:54,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211714756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:16:54,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:16:54,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:16:54,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872689068] [2024-11-28 03:16:54,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:16:54,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:16:54,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:16:54,149 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:16:54,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:16:54,183 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-28 03:16:54,187 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 32 transitions, 73 flow. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:16:54,188 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:16:54,188 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-28 03:16:54,189 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:16:55,124 INFO L124 PetriNetUnfolderBase]: 621/1208 cut-off events. [2024-11-28 03:16:55,125 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-11-28 03:16:55,134 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2271 conditions, 1208 events. 621/1208 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 6849 event pairs, 193 based on Foata normal form. 44/1176 useless extension candidates. Maximal degree in co-relation 2198. Up to 862 conditions per place. [2024-11-28 03:16:55,151 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 58 selfloop transitions, 18 changer transitions 3/84 dead transitions. [2024-11-28 03:16:55,152 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 84 transitions, 344 flow [2024-11-28 03:16:55,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:16:55,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-28 03:16:55,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 155 transitions. [2024-11-28 03:16:55,180 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.45321637426900585 [2024-11-28 03:16:55,183 INFO L175 Difference]: Start difference. First operand has 39 places, 32 transitions, 73 flow. Second operand 9 states and 155 transitions. [2024-11-28 03:16:55,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 84 transitions, 344 flow [2024-11-28 03:16:55,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 84 transitions, 336 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-28 03:16:55,199 INFO L231 Difference]: Finished difference. Result has 48 places, 50 transitions, 182 flow [2024-11-28 03:16:55,203 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=182, PETRI_PLACES=48, PETRI_TRANSITIONS=50} [2024-11-28 03:16:55,208 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 9 predicate places. [2024-11-28 03:16:55,208 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 50 transitions, 182 flow [2024-11-28 03:16:55,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:16:55,208 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:16:55,209 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:16:55,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:16:55,211 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:16:55,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:16:55,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1669751059, now seen corresponding path program 1 times [2024-11-28 03:16:55,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:16:55,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492489766] [2024-11-28 03:16:55,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:55,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:16:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:55,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:16:55,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:16:55,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492489766] [2024-11-28 03:16:55,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492489766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:16:55,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:16:55,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:16:55,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492765546] [2024-11-28 03:16:55,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:16:55,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:16:55,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:16:55,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:16:55,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:16:55,921 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-28 03:16:55,922 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 50 transitions, 182 flow. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:16:55,922 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:16:55,922 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-28 03:16:55,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:16:56,635 INFO L124 PetriNetUnfolderBase]: 672/1245 cut-off events. [2024-11-28 03:16:56,635 INFO L125 PetriNetUnfolderBase]: For 467/467 co-relation queries the response was YES. [2024-11-28 03:16:56,644 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2979 conditions, 1245 events. 672/1245 cut-off events. For 467/467 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 6746 event pairs, 267 based on Foata normal form. 44/1255 useless extension candidates. Maximal degree in co-relation 2506. Up to 951 conditions per place. [2024-11-28 03:16:56,650 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 62 selfloop transitions, 25 changer transitions 5/97 dead transitions. [2024-11-28 03:16:56,651 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 97 transitions, 516 flow [2024-11-28 03:16:56,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:16:56,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-28 03:16:56,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 156 transitions. [2024-11-28 03:16:56,654 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.45614035087719296 [2024-11-28 03:16:56,654 INFO L175 Difference]: Start difference. First operand has 48 places, 50 transitions, 182 flow. Second operand 9 states and 156 transitions. [2024-11-28 03:16:56,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 97 transitions, 516 flow [2024-11-28 03:16:56,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 97 transitions, 514 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:16:56,667 INFO L231 Difference]: Finished difference. Result has 58 places, 64 transitions, 316 flow [2024-11-28 03:16:56,668 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=316, PETRI_PLACES=58, PETRI_TRANSITIONS=64} [2024-11-28 03:16:56,669 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 19 predicate places. [2024-11-28 03:16:56,670 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 64 transitions, 316 flow [2024-11-28 03:16:56,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:16:56,671 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:16:56,671 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:16:56,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:16:56,672 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:16:56,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:16:56,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1308206955, now seen corresponding path program 1 times [2024-11-28 03:16:56,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:16:56,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042465803] [2024-11-28 03:16:56,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:56,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:16:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:57,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:16:57,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:16:57,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042465803] [2024-11-28 03:16:57,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042465803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:16:57,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:16:57,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:16:57,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252796302] [2024-11-28 03:16:57,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:16:57,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:16:57,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:16:57,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:16:57,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:16:57,670 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-28 03:16:57,671 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 64 transitions, 316 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:16:57,671 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:16:57,671 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-28 03:16:57,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:16:58,944 INFO L124 PetriNetUnfolderBase]: 846/1560 cut-off events. [2024-11-28 03:16:58,944 INFO L125 PetriNetUnfolderBase]: For 1307/1307 co-relation queries the response was YES. [2024-11-28 03:16:58,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4350 conditions, 1560 events. 846/1560 cut-off events. For 1307/1307 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 8821 event pairs, 281 based on Foata normal form. 52/1612 useless extension candidates. Maximal degree in co-relation 3598. Up to 1146 conditions per place. [2024-11-28 03:16:58,958 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 81 selfloop transitions, 37 changer transitions 17/140 dead transitions. [2024-11-28 03:16:58,959 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 140 transitions, 915 flow [2024-11-28 03:16:58,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 03:16:58,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-28 03:16:58,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 184 transitions. [2024-11-28 03:16:58,964 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.44019138755980863 [2024-11-28 03:16:58,965 INFO L175 Difference]: Start difference. First operand has 58 places, 64 transitions, 316 flow. Second operand 11 states and 184 transitions. [2024-11-28 03:16:58,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 140 transitions, 915 flow [2024-11-28 03:16:58,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 140 transitions, 915 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:16:58,986 INFO L231 Difference]: Finished difference. Result has 75 places, 93 transitions, 660 flow [2024-11-28 03:16:58,986 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=660, PETRI_PLACES=75, PETRI_TRANSITIONS=93} [2024-11-28 03:16:58,988 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 36 predicate places. [2024-11-28 03:16:58,988 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 93 transitions, 660 flow [2024-11-28 03:16:58,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:16:58,989 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:16:58,989 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:16:58,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:16:58,990 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:16:58,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:16:58,991 INFO L85 PathProgramCache]: Analyzing trace with hash 764593993, now seen corresponding path program 2 times [2024-11-28 03:16:58,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:16:58,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37224639] [2024-11-28 03:16:58,992 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:16:58,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:16:59,052 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:16:59,052 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:16:59,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:16:59,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:16:59,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37224639] [2024-11-28 03:16:59,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37224639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:16:59,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:16:59,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:16:59,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630290023] [2024-11-28 03:16:59,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:16:59,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:16:59,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:16:59,856 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:16:59,856 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:16:59,879 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-28 03:16:59,879 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 93 transitions, 660 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:16:59,880 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:16:59,880 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-28 03:16:59,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:17:01,134 INFO L124 PetriNetUnfolderBase]: 888/1620 cut-off events. [2024-11-28 03:17:01,134 INFO L125 PetriNetUnfolderBase]: For 3454/3454 co-relation queries the response was YES. [2024-11-28 03:17:01,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5465 conditions, 1620 events. 888/1620 cut-off events. For 3454/3454 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 9011 event pairs, 225 based on Foata normal form. 52/1672 useless extension candidates. Maximal degree in co-relation 5042. Up to 1077 conditions per place. [2024-11-28 03:17:01,150 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 90 selfloop transitions, 55 changer transitions 13/163 dead transitions. [2024-11-28 03:17:01,150 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 163 transitions, 1317 flow [2024-11-28 03:17:01,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 03:17:01,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-28 03:17:01,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 223 transitions. [2024-11-28 03:17:01,152 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4191729323308271 [2024-11-28 03:17:01,152 INFO L175 Difference]: Start difference. First operand has 75 places, 93 transitions, 660 flow. Second operand 14 states and 223 transitions. [2024-11-28 03:17:01,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 163 transitions, 1317 flow [2024-11-28 03:17:01,177 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 163 transitions, 1269 flow, removed 16 selfloop flow, removed 3 redundant places. [2024-11-28 03:17:01,180 INFO L231 Difference]: Finished difference. Result has 91 places, 110 transitions, 968 flow [2024-11-28 03:17:01,181 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=968, PETRI_PLACES=91, PETRI_TRANSITIONS=110} [2024-11-28 03:17:01,182 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 52 predicate places. [2024-11-28 03:17:01,182 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 110 transitions, 968 flow [2024-11-28 03:17:01,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:01,186 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:01,186 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:01,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:17:01,186 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:17:01,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:01,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1256486864, now seen corresponding path program 1 times [2024-11-28 03:17:01,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:01,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151825725] [2024-11-28 03:17:01,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:01,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:02,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:17:02,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:02,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151825725] [2024-11-28 03:17:02,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151825725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:02,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:02,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:17:02,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426455742] [2024-11-28 03:17:02,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:02,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:17:02,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:02,574 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:17:02,574 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:17:02,600 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-28 03:17:02,600 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 110 transitions, 968 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:02,600 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:17:02,600 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-28 03:17:02,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:17:03,970 INFO L124 PetriNetUnfolderBase]: 1017/1882 cut-off events. [2024-11-28 03:17:03,970 INFO L125 PetriNetUnfolderBase]: For 6262/6274 co-relation queries the response was YES. [2024-11-28 03:17:03,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7256 conditions, 1882 events. 1017/1882 cut-off events. For 6262/6274 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 11176 event pairs, 313 based on Foata normal form. 48/1926 useless extension candidates. Maximal degree in co-relation 6457. Up to 1298 conditions per place. [2024-11-28 03:17:03,988 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 105 selfloop transitions, 60 changer transitions 12/182 dead transitions. [2024-11-28 03:17:03,988 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 182 transitions, 1733 flow [2024-11-28 03:17:03,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 03:17:03,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-28 03:17:03,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 261 transitions. [2024-11-28 03:17:03,991 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4040247678018576 [2024-11-28 03:17:03,991 INFO L175 Difference]: Start difference. First operand has 91 places, 110 transitions, 968 flow. Second operand 17 states and 261 transitions. [2024-11-28 03:17:03,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 182 transitions, 1733 flow [2024-11-28 03:17:04,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 182 transitions, 1591 flow, removed 17 selfloop flow, removed 8 redundant places. [2024-11-28 03:17:04,034 INFO L231 Difference]: Finished difference. Result has 106 places, 127 transitions, 1233 flow [2024-11-28 03:17:04,035 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=867, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1233, PETRI_PLACES=106, PETRI_TRANSITIONS=127} [2024-11-28 03:17:04,037 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 67 predicate places. [2024-11-28 03:17:04,040 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 127 transitions, 1233 flow [2024-11-28 03:17:04,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:04,041 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:04,041 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:04,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:17:04,041 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:17:04,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:04,042 INFO L85 PathProgramCache]: Analyzing trace with hash 411275081, now seen corresponding path program 3 times [2024-11-28 03:17:04,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:04,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644750057] [2024-11-28 03:17:04,042 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:17:04,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:04,085 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 03:17:04,085 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:17:04,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:17:04,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:04,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644750057] [2024-11-28 03:17:04,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644750057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:04,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:04,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:17:04,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945239336] [2024-11-28 03:17:04,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:04,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:17:04,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:04,680 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:17:04,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:17:04,706 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-28 03:17:04,706 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 127 transitions, 1233 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:04,707 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:17:04,707 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-28 03:17:04,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:17:06,285 INFO L124 PetriNetUnfolderBase]: 948/1761 cut-off events. [2024-11-28 03:17:06,286 INFO L125 PetriNetUnfolderBase]: For 6881/6899 co-relation queries the response was YES. [2024-11-28 03:17:06,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6924 conditions, 1761 events. 948/1761 cut-off events. For 6881/6899 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 10167 event pairs, 234 based on Foata normal form. 60/1821 useless extension candidates. Maximal degree in co-relation 6083. Up to 1092 conditions per place. [2024-11-28 03:17:06,306 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 97 selfloop transitions, 82 changer transitions 18/202 dead transitions. [2024-11-28 03:17:06,306 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 202 transitions, 2002 flow [2024-11-28 03:17:06,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 03:17:06,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-28 03:17:06,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 269 transitions. [2024-11-28 03:17:06,309 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.41640866873065013 [2024-11-28 03:17:06,309 INFO L175 Difference]: Start difference. First operand has 106 places, 127 transitions, 1233 flow. Second operand 17 states and 269 transitions. [2024-11-28 03:17:06,309 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 202 transitions, 2002 flow [2024-11-28 03:17:06,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 202 transitions, 1888 flow, removed 24 selfloop flow, removed 8 redundant places. [2024-11-28 03:17:06,369 INFO L231 Difference]: Finished difference. Result has 118 places, 137 transitions, 1453 flow [2024-11-28 03:17:06,370 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1131, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1453, PETRI_PLACES=118, PETRI_TRANSITIONS=137} [2024-11-28 03:17:06,372 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 79 predicate places. [2024-11-28 03:17:06,373 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 137 transitions, 1453 flow [2024-11-28 03:17:06,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:06,374 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:06,374 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:06,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:17:06,374 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:17:06,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:06,375 INFO L85 PathProgramCache]: Analyzing trace with hash 411266720, now seen corresponding path program 2 times [2024-11-28 03:17:06,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:06,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424942074] [2024-11-28 03:17:06,375 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:17:06,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:06,425 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:17:06,426 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:17:07,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:17:07,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:07,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424942074] [2024-11-28 03:17:07,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424942074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:07,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:07,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:17:07,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722172270] [2024-11-28 03:17:07,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:07,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:17:07,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:07,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:17:07,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:17:07,326 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-28 03:17:07,326 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 137 transitions, 1453 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:07,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:17:07,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-28 03:17:07,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:17:09,033 INFO L124 PetriNetUnfolderBase]: 903/1694 cut-off events. [2024-11-28 03:17:09,033 INFO L125 PetriNetUnfolderBase]: For 8336/8368 co-relation queries the response was YES. [2024-11-28 03:17:09,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7150 conditions, 1694 events. 903/1694 cut-off events. For 8336/8368 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 9786 event pairs, 249 based on Foata normal form. 48/1742 useless extension candidates. Maximal degree in co-relation 6482. Up to 1071 conditions per place. [2024-11-28 03:17:09,053 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 90 selfloop transitions, 84 changer transitions 15/194 dead transitions. [2024-11-28 03:17:09,054 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 194 transitions, 2047 flow [2024-11-28 03:17:09,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-28 03:17:09,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-28 03:17:09,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 307 transitions. [2024-11-28 03:17:09,058 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.38471177944862156 [2024-11-28 03:17:09,058 INFO L175 Difference]: Start difference. First operand has 118 places, 137 transitions, 1453 flow. Second operand 21 states and 307 transitions. [2024-11-28 03:17:09,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 194 transitions, 2047 flow [2024-11-28 03:17:09,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 194 transitions, 1889 flow, removed 25 selfloop flow, removed 11 redundant places. [2024-11-28 03:17:09,122 INFO L231 Difference]: Finished difference. Result has 131 places, 138 transitions, 1515 flow [2024-11-28 03:17:09,122 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1306, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1515, PETRI_PLACES=131, PETRI_TRANSITIONS=138} [2024-11-28 03:17:09,123 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 92 predicate places. [2024-11-28 03:17:09,123 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 138 transitions, 1515 flow [2024-11-28 03:17:09,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:09,125 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:09,125 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:09,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:17:09,125 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:17:09,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:09,126 INFO L85 PathProgramCache]: Analyzing trace with hash 764585632, now seen corresponding path program 3 times [2024-11-28 03:17:09,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:09,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392159684] [2024-11-28 03:17:09,126 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:17:09,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:09,174 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 03:17:09,175 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:17:09,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:17:09,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:09,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392159684] [2024-11-28 03:17:09,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392159684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:09,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:09,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:17:09,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068229962] [2024-11-28 03:17:09,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:09,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:17:09,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:09,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:17:09,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:17:09,867 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 38 [2024-11-28 03:17:09,867 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 138 transitions, 1515 flow. Second operand has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:09,867 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:17:09,867 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 38 [2024-11-28 03:17:09,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:17:11,354 INFO L124 PetriNetUnfolderBase]: 882/1641 cut-off events. [2024-11-28 03:17:11,354 INFO L125 PetriNetUnfolderBase]: For 10061/10103 co-relation queries the response was YES. [2024-11-28 03:17:11,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7339 conditions, 1641 events. 882/1641 cut-off events. For 10061/10103 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 9303 event pairs, 216 based on Foata normal form. 50/1687 useless extension candidates. Maximal degree in co-relation 6799. Up to 993 conditions per place. [2024-11-28 03:17:11,408 INFO L140 encePairwiseOnDemand]: 25/38 looper letters, 80 selfloop transitions, 94 changer transitions 15/194 dead transitions. [2024-11-28 03:17:11,408 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 194 transitions, 2121 flow [2024-11-28 03:17:11,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 03:17:11,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-28 03:17:11,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 281 transitions. [2024-11-28 03:17:11,411 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.389196675900277 [2024-11-28 03:17:11,412 INFO L175 Difference]: Start difference. First operand has 131 places, 138 transitions, 1515 flow. Second operand 19 states and 281 transitions. [2024-11-28 03:17:11,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 194 transitions, 2121 flow [2024-11-28 03:17:11,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 194 transitions, 1788 flow, removed 26 selfloop flow, removed 22 redundant places. [2024-11-28 03:17:11,468 INFO L231 Difference]: Finished difference. Result has 130 places, 141 transitions, 1443 flow [2024-11-28 03:17:11,469 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1195, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1443, PETRI_PLACES=130, PETRI_TRANSITIONS=141} [2024-11-28 03:17:11,469 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 91 predicate places. [2024-11-28 03:17:11,470 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 141 transitions, 1443 flow [2024-11-28 03:17:11,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.444444444444445) internal successors, (85), 9 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:11,470 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:11,470 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:11,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:17:11,471 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:17:11,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:11,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1844619444, now seen corresponding path program 1 times [2024-11-28 03:17:11,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:11,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037670695] [2024-11-28 03:17:11,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:11,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:11,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:11,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:17:11,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:11,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037670695] [2024-11-28 03:17:11,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037670695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:11,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:11,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:17:11,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776550440] [2024-11-28 03:17:11,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:11,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:17:11,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:11,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:17:11,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:17:11,581 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 38 [2024-11-28 03:17:11,582 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 141 transitions, 1443 flow. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:11,582 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:17:11,582 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 38 [2024-11-28 03:17:11,582 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:17:11,896 INFO L124 PetriNetUnfolderBase]: 461/873 cut-off events. [2024-11-28 03:17:11,896 INFO L125 PetriNetUnfolderBase]: For 3753/3817 co-relation queries the response was YES. [2024-11-28 03:17:11,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3515 conditions, 873 events. 461/873 cut-off events. For 3753/3817 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 4351 event pairs, 86 based on Foata normal form. 6/879 useless extension candidates. Maximal degree in co-relation 3486. Up to 465 conditions per place. [2024-11-28 03:17:11,909 INFO L140 encePairwiseOnDemand]: 35/38 looper letters, 131 selfloop transitions, 18 changer transitions 6/161 dead transitions. [2024-11-28 03:17:11,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 161 transitions, 1796 flow [2024-11-28 03:17:11,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:17:11,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 03:17:11,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 84 transitions. [2024-11-28 03:17:11,914 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5526315789473685 [2024-11-28 03:17:11,914 INFO L175 Difference]: Start difference. First operand has 130 places, 141 transitions, 1443 flow. Second operand 4 states and 84 transitions. [2024-11-28 03:17:11,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 161 transitions, 1796 flow [2024-11-28 03:17:11,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 161 transitions, 1613 flow, removed 40 selfloop flow, removed 15 redundant places. [2024-11-28 03:17:11,940 INFO L231 Difference]: Finished difference. Result has 109 places, 109 transitions, 962 flow [2024-11-28 03:17:11,943 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=940, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=962, PETRI_PLACES=109, PETRI_TRANSITIONS=109} [2024-11-28 03:17:11,944 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 70 predicate places. [2024-11-28 03:17:11,944 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 109 transitions, 962 flow [2024-11-28 03:17:11,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:11,944 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:11,944 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:11,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:17:11,944 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:17:11,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:11,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1238178995, now seen corresponding path program 1 times [2024-11-28 03:17:11,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:11,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279207117] [2024-11-28 03:17:11,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:11,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:12,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:17:12,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:12,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279207117] [2024-11-28 03:17:12,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279207117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:12,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:12,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:17:12,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145862071] [2024-11-28 03:17:12,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:12,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:17:12,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:12,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:17:12,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:17:13,053 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-28 03:17:13,053 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 109 transitions, 962 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:13,054 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:17:13,054 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-28 03:17:13,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:17:14,190 INFO L124 PetriNetUnfolderBase]: 603/1168 cut-off events. [2024-11-28 03:17:14,190 INFO L125 PetriNetUnfolderBase]: For 2973/2973 co-relation queries the response was YES. [2024-11-28 03:17:14,195 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4184 conditions, 1168 events. 603/1168 cut-off events. For 2973/2973 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 6234 event pairs, 143 based on Foata normal form. 14/1182 useless extension candidates. Maximal degree in co-relation 4159. Up to 581 conditions per place. [2024-11-28 03:17:14,202 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 119 selfloop transitions, 45 changer transitions 0/166 dead transitions. [2024-11-28 03:17:14,202 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 166 transitions, 1487 flow [2024-11-28 03:17:14,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 03:17:14,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-28 03:17:14,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 202 transitions. [2024-11-28 03:17:14,205 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3543859649122807 [2024-11-28 03:17:14,205 INFO L175 Difference]: Start difference. First operand has 109 places, 109 transitions, 962 flow. Second operand 15 states and 202 transitions. [2024-11-28 03:17:14,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 166 transitions, 1487 flow [2024-11-28 03:17:14,224 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 166 transitions, 1416 flow, removed 9 selfloop flow, removed 4 redundant places. [2024-11-28 03:17:14,228 INFO L231 Difference]: Finished difference. Result has 122 places, 114 transitions, 1077 flow [2024-11-28 03:17:14,228 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=919, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1077, PETRI_PLACES=122, PETRI_TRANSITIONS=114} [2024-11-28 03:17:14,229 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 83 predicate places. [2024-11-28 03:17:14,229 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 114 transitions, 1077 flow [2024-11-28 03:17:14,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:14,229 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:14,230 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:14,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 03:17:14,232 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:17:14,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:14,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1246767164, now seen corresponding path program 1 times [2024-11-28 03:17:14,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:14,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608394897] [2024-11-28 03:17:14,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:14,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:15,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:17:15,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:15,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608394897] [2024-11-28 03:17:15,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608394897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:15,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:15,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:17:15,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032886046] [2024-11-28 03:17:15,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:15,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:17:15,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:15,121 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:17:15,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:17:15,171 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-28 03:17:15,172 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 114 transitions, 1077 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:15,172 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:17:15,172 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-28 03:17:15,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:17:16,198 INFO L124 PetriNetUnfolderBase]: 586/1141 cut-off events. [2024-11-28 03:17:16,198 INFO L125 PetriNetUnfolderBase]: For 2892/2892 co-relation queries the response was YES. [2024-11-28 03:17:16,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4073 conditions, 1141 events. 586/1141 cut-off events. For 2892/2892 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 6103 event pairs, 156 based on Foata normal form. 12/1153 useless extension candidates. Maximal degree in co-relation 4048. Up to 711 conditions per place. [2024-11-28 03:17:16,210 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 107 selfloop transitions, 44 changer transitions 0/153 dead transitions. [2024-11-28 03:17:16,210 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 153 transitions, 1480 flow [2024-11-28 03:17:16,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 03:17:16,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-28 03:17:16,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 179 transitions. [2024-11-28 03:17:16,212 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.33646616541353386 [2024-11-28 03:17:16,213 INFO L175 Difference]: Start difference. First operand has 122 places, 114 transitions, 1077 flow. Second operand 14 states and 179 transitions. [2024-11-28 03:17:16,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 153 transitions, 1480 flow [2024-11-28 03:17:16,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 153 transitions, 1422 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-28 03:17:16,233 INFO L231 Difference]: Finished difference. Result has 130 places, 116 transitions, 1152 flow [2024-11-28 03:17:16,233 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1019, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1152, PETRI_PLACES=130, PETRI_TRANSITIONS=116} [2024-11-28 03:17:16,234 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 91 predicate places. [2024-11-28 03:17:16,234 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 116 transitions, 1152 flow [2024-11-28 03:17:16,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:16,235 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:16,235 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:16,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 03:17:16,235 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:17:16,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:16,236 INFO L85 PathProgramCache]: Analyzing trace with hash -103437457, now seen corresponding path program 2 times [2024-11-28 03:17:16,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:16,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965057548] [2024-11-28 03:17:16,236 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:17:16,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:16,270 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:17:16,271 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:17:17,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:17:17,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:17,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965057548] [2024-11-28 03:17:17,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965057548] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:17,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:17,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:17:17,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882823160] [2024-11-28 03:17:17,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:17,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:17:17,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:17,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:17:17,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:17:17,177 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-28 03:17:17,177 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 116 transitions, 1152 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:17,178 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:17:17,178 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-28 03:17:17,178 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:17:18,629 INFO L124 PetriNetUnfolderBase]: 665/1293 cut-off events. [2024-11-28 03:17:18,629 INFO L125 PetriNetUnfolderBase]: For 3735/3735 co-relation queries the response was YES. [2024-11-28 03:17:18,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4752 conditions, 1293 events. 665/1293 cut-off events. For 3735/3735 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 7170 event pairs, 176 based on Foata normal form. 14/1307 useless extension candidates. Maximal degree in co-relation 4724. Up to 678 conditions per place. [2024-11-28 03:17:18,641 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 121 selfloop transitions, 56 changer transitions 0/179 dead transitions. [2024-11-28 03:17:18,642 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 179 transitions, 1737 flow [2024-11-28 03:17:18,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 03:17:18,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-28 03:17:18,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 230 transitions. [2024-11-28 03:17:18,645 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3362573099415205 [2024-11-28 03:17:18,645 INFO L175 Difference]: Start difference. First operand has 130 places, 116 transitions, 1152 flow. Second operand 18 states and 230 transitions. [2024-11-28 03:17:18,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 179 transitions, 1737 flow [2024-11-28 03:17:18,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 179 transitions, 1661 flow, removed 3 selfloop flow, removed 8 redundant places. [2024-11-28 03:17:18,673 INFO L231 Difference]: Finished difference. Result has 142 places, 126 transitions, 1337 flow [2024-11-28 03:17:18,673 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1088, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=1337, PETRI_PLACES=142, PETRI_TRANSITIONS=126} [2024-11-28 03:17:18,674 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 103 predicate places. [2024-11-28 03:17:18,674 INFO L471 AbstractCegarLoop]: Abstraction has has 142 places, 126 transitions, 1337 flow [2024-11-28 03:17:18,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:18,675 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:18,675 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:18,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 03:17:18,675 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:17:18,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:18,676 INFO L85 PathProgramCache]: Analyzing trace with hash 281270063, now seen corresponding path program 3 times [2024-11-28 03:17:18,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:18,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812608847] [2024-11-28 03:17:18,676 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:17:18,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:18,708 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 03:17:18,709 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:17:19,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:17:19,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:19,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812608847] [2024-11-28 03:17:19,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812608847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:19,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:19,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:17:19,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939933746] [2024-11-28 03:17:19,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:19,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:17:19,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:19,570 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:17:19,570 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:17:19,645 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-28 03:17:19,646 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 126 transitions, 1337 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:19,646 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:17:19,646 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-28 03:17:19,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:17:21,129 INFO L124 PetriNetUnfolderBase]: 746/1475 cut-off events. [2024-11-28 03:17:21,130 INFO L125 PetriNetUnfolderBase]: For 4929/4929 co-relation queries the response was YES. [2024-11-28 03:17:21,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5502 conditions, 1475 events. 746/1475 cut-off events. For 4929/4929 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 8565 event pairs, 185 based on Foata normal form. 14/1489 useless extension candidates. Maximal degree in co-relation 5471. Up to 476 conditions per place. [2024-11-28 03:17:21,141 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 111 selfloop transitions, 82 changer transitions 0/195 dead transitions. [2024-11-28 03:17:21,142 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 195 transitions, 1913 flow [2024-11-28 03:17:21,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-28 03:17:21,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-28 03:17:21,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 276 transitions. [2024-11-28 03:17:21,144 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.33014354066985646 [2024-11-28 03:17:21,144 INFO L175 Difference]: Start difference. First operand has 142 places, 126 transitions, 1337 flow. Second operand 22 states and 276 transitions. [2024-11-28 03:17:21,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 195 transitions, 1913 flow [2024-11-28 03:17:21,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 195 transitions, 1852 flow, removed 2 selfloop flow, removed 8 redundant places. [2024-11-28 03:17:21,172 INFO L231 Difference]: Finished difference. Result has 159 places, 129 transitions, 1555 flow [2024-11-28 03:17:21,172 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1276, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=1555, PETRI_PLACES=159, PETRI_TRANSITIONS=129} [2024-11-28 03:17:21,174 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 120 predicate places. [2024-11-28 03:17:21,176 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 129 transitions, 1555 flow [2024-11-28 03:17:21,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:21,176 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:21,176 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:21,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 03:17:21,177 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:17:21,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:21,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1156661969, now seen corresponding path program 4 times [2024-11-28 03:17:21,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:21,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700653200] [2024-11-28 03:17:21,178 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 03:17:21,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:21,228 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 03:17:21,228 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:17:22,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:17:22,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:22,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700653200] [2024-11-28 03:17:22,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700653200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:22,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:22,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:17:22,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538932122] [2024-11-28 03:17:22,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:22,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:17:22,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:22,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:17:22,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:17:22,318 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-28 03:17:22,318 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 129 transitions, 1555 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:22,318 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:17:22,319 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-28 03:17:22,319 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:17:23,395 INFO L124 PetriNetUnfolderBase]: 808/1595 cut-off events. [2024-11-28 03:17:23,395 INFO L125 PetriNetUnfolderBase]: For 7113/7113 co-relation queries the response was YES. [2024-11-28 03:17:23,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6341 conditions, 1595 events. 808/1595 cut-off events. For 7113/7113 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 9512 event pairs, 288 based on Foata normal form. 14/1609 useless extension candidates. Maximal degree in co-relation 6306. Up to 1059 conditions per place. [2024-11-28 03:17:23,411 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 118 selfloop transitions, 49 changer transitions 0/169 dead transitions. [2024-11-28 03:17:23,411 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 169 transitions, 2006 flow [2024-11-28 03:17:23,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 03:17:23,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-28 03:17:23,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 168 transitions. [2024-11-28 03:17:23,413 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.340080971659919 [2024-11-28 03:17:23,413 INFO L175 Difference]: Start difference. First operand has 159 places, 129 transitions, 1555 flow. Second operand 13 states and 168 transitions. [2024-11-28 03:17:23,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 169 transitions, 2006 flow [2024-11-28 03:17:23,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 169 transitions, 1896 flow, removed 5 selfloop flow, removed 16 redundant places. [2024-11-28 03:17:23,462 INFO L231 Difference]: Finished difference. Result has 158 places, 131 transitions, 1607 flow [2024-11-28 03:17:23,463 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1445, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1607, PETRI_PLACES=158, PETRI_TRANSITIONS=131} [2024-11-28 03:17:23,464 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 119 predicate places. [2024-11-28 03:17:23,464 INFO L471 AbstractCegarLoop]: Abstraction has has 158 places, 131 transitions, 1607 flow [2024-11-28 03:17:23,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:23,464 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:23,464 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:23,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 03:17:23,464 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:17:23,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:23,465 INFO L85 PathProgramCache]: Analyzing trace with hash 2028751423, now seen corresponding path program 5 times [2024-11-28 03:17:23,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:23,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541130753] [2024-11-28 03:17:23,465 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 03:17:23,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:23,501 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:17:23,502 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:17:24,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:17:24,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:24,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541130753] [2024-11-28 03:17:24,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541130753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:24,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:24,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:17:24,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109549688] [2024-11-28 03:17:24,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:24,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:17:24,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:24,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:17:24,339 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:17:24,408 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-28 03:17:24,409 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 131 transitions, 1607 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:24,409 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:17:24,409 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-28 03:17:24,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:17:25,939 INFO L124 PetriNetUnfolderBase]: 889/1768 cut-off events. [2024-11-28 03:17:25,939 INFO L125 PetriNetUnfolderBase]: For 8495/8495 co-relation queries the response was YES. [2024-11-28 03:17:25,948 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7100 conditions, 1768 events. 889/1768 cut-off events. For 8495/8495 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 10865 event pairs, 250 based on Foata normal form. 14/1782 useless extension candidates. Maximal degree in co-relation 7063. Up to 514 conditions per place. [2024-11-28 03:17:25,957 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 106 selfloop transitions, 86 changer transitions 0/194 dead transitions. [2024-11-28 03:17:25,957 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 194 transitions, 2181 flow [2024-11-28 03:17:25,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-28 03:17:25,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-28 03:17:25,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 254 transitions. [2024-11-28 03:17:25,959 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3182957393483709 [2024-11-28 03:17:25,960 INFO L175 Difference]: Start difference. First operand has 158 places, 131 transitions, 1607 flow. Second operand 21 states and 254 transitions. [2024-11-28 03:17:25,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 194 transitions, 2181 flow [2024-11-28 03:17:26,014 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 194 transitions, 2078 flow, removed 5 selfloop flow, removed 10 redundant places. [2024-11-28 03:17:26,018 INFO L231 Difference]: Finished difference. Result has 172 places, 134 transitions, 1818 flow [2024-11-28 03:17:26,019 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1504, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1818, PETRI_PLACES=172, PETRI_TRANSITIONS=134} [2024-11-28 03:17:26,019 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 133 predicate places. [2024-11-28 03:17:26,019 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 134 transitions, 1818 flow [2024-11-28 03:17:26,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:26,020 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:26,020 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:26,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 03:17:26,021 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:17:26,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:26,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1059649019, now seen corresponding path program 6 times [2024-11-28 03:17:26,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:26,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316693218] [2024-11-28 03:17:26,022 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-28 03:17:26,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:26,052 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-28 03:17:26,052 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:17:26,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:17:26,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:26,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316693218] [2024-11-28 03:17:26,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316693218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:26,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:26,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:17:26,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584920664] [2024-11-28 03:17:26,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:26,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:17:26,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:26,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:17:26,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:17:26,921 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-28 03:17:26,921 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 134 transitions, 1818 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:26,921 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:17:26,921 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-28 03:17:26,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:17:28,374 INFO L124 PetriNetUnfolderBase]: 970/1911 cut-off events. [2024-11-28 03:17:28,374 INFO L125 PetriNetUnfolderBase]: For 11797/11797 co-relation queries the response was YES. [2024-11-28 03:17:28,380 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8215 conditions, 1911 events. 970/1911 cut-off events. For 11797/11797 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 11889 event pairs, 165 based on Foata normal form. 14/1922 useless extension candidates. Maximal degree in co-relation 8174. Up to 430 conditions per place. [2024-11-28 03:17:28,389 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 117 selfloop transitions, 105 changer transitions 0/224 dead transitions. [2024-11-28 03:17:28,389 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 224 transitions, 2766 flow [2024-11-28 03:17:28,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-28 03:17:28,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-28 03:17:28,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 260 transitions. [2024-11-28 03:17:28,391 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3258145363408521 [2024-11-28 03:17:28,391 INFO L175 Difference]: Start difference. First operand has 172 places, 134 transitions, 1818 flow. Second operand 21 states and 260 transitions. [2024-11-28 03:17:28,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 224 transitions, 2766 flow [2024-11-28 03:17:28,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 224 transitions, 2673 flow, removed 4 selfloop flow, removed 14 redundant places. [2024-11-28 03:17:28,471 INFO L231 Difference]: Finished difference. Result has 186 places, 149 transitions, 2291 flow [2024-11-28 03:17:28,471 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1730, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=2291, PETRI_PLACES=186, PETRI_TRANSITIONS=149} [2024-11-28 03:17:28,472 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 147 predicate places. [2024-11-28 03:17:28,472 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 149 transitions, 2291 flow [2024-11-28 03:17:28,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:28,472 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:28,473 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:28,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 03:17:28,473 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:17:28,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:28,473 INFO L85 PathProgramCache]: Analyzing trace with hash 335774635, now seen corresponding path program 7 times [2024-11-28 03:17:28,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:28,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842736865] [2024-11-28 03:17:28,475 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-28 03:17:28,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:29,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:17:29,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:29,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842736865] [2024-11-28 03:17:29,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842736865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:29,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:29,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:17:29,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182870822] [2024-11-28 03:17:29,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:29,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:17:29,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:29,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:17:29,296 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:17:29,347 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-28 03:17:29,348 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 149 transitions, 2291 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:29,348 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:17:29,348 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-28 03:17:29,348 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:17:30,736 INFO L124 PetriNetUnfolderBase]: 1046/2087 cut-off events. [2024-11-28 03:17:30,736 INFO L125 PetriNetUnfolderBase]: For 17761/17761 co-relation queries the response was YES. [2024-11-28 03:17:30,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9868 conditions, 2087 events. 1046/2087 cut-off events. For 17761/17761 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 13363 event pairs, 334 based on Foata normal form. 14/2101 useless extension candidates. Maximal degree in co-relation 9819. Up to 908 conditions per place. [2024-11-28 03:17:30,760 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 130 selfloop transitions, 75 changer transitions 0/207 dead transitions. [2024-11-28 03:17:30,760 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 207 transitions, 3008 flow [2024-11-28 03:17:30,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-28 03:17:30,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-28 03:17:30,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 204 transitions. [2024-11-28 03:17:30,763 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3355263157894737 [2024-11-28 03:17:30,763 INFO L175 Difference]: Start difference. First operand has 186 places, 149 transitions, 2291 flow. Second operand 16 states and 204 transitions. [2024-11-28 03:17:30,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 207 transitions, 3008 flow [2024-11-28 03:17:30,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 207 transitions, 2862 flow, removed 27 selfloop flow, removed 12 redundant places. [2024-11-28 03:17:30,865 INFO L231 Difference]: Finished difference. Result has 192 places, 155 transitions, 2509 flow [2024-11-28 03:17:30,865 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2165, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=2509, PETRI_PLACES=192, PETRI_TRANSITIONS=155} [2024-11-28 03:17:30,865 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 153 predicate places. [2024-11-28 03:17:30,866 INFO L471 AbstractCegarLoop]: Abstraction has has 192 places, 155 transitions, 2509 flow [2024-11-28 03:17:30,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:30,866 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:30,866 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:30,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 03:17:30,866 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:17:30,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:30,867 INFO L85 PathProgramCache]: Analyzing trace with hash 327186466, now seen corresponding path program 2 times [2024-11-28 03:17:30,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:30,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858399736] [2024-11-28 03:17:30,867 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:17:30,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:30,893 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:17:30,894 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:17:31,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:17:31,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:31,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858399736] [2024-11-28 03:17:31,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858399736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:31,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:31,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:17:31,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040325611] [2024-11-28 03:17:31,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:31,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:17:31,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:31,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:17:31,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:17:31,704 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-28 03:17:31,705 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 155 transitions, 2509 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:31,705 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:17:31,706 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-28 03:17:31,706 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:17:33,024 INFO L124 PetriNetUnfolderBase]: 1112/2219 cut-off events. [2024-11-28 03:17:33,024 INFO L125 PetriNetUnfolderBase]: For 19786/19790 co-relation queries the response was YES. [2024-11-28 03:17:33,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10443 conditions, 2219 events. 1112/2219 cut-off events. For 19786/19790 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 14472 event pairs, 444 based on Foata normal form. 16/2235 useless extension candidates. Maximal degree in co-relation 10393. Up to 1549 conditions per place. [2024-11-28 03:17:33,042 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 139 selfloop transitions, 57 changer transitions 0/198 dead transitions. [2024-11-28 03:17:33,042 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 198 transitions, 3068 flow [2024-11-28 03:17:33,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 03:17:33,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-28 03:17:33,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 188 transitions. [2024-11-28 03:17:33,044 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3298245614035088 [2024-11-28 03:17:33,044 INFO L175 Difference]: Start difference. First operand has 192 places, 155 transitions, 2509 flow. Second operand 15 states and 188 transitions. [2024-11-28 03:17:33,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 198 transitions, 3068 flow [2024-11-28 03:17:33,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 198 transitions, 2975 flow, removed 1 selfloop flow, removed 11 redundant places. [2024-11-28 03:17:33,174 INFO L231 Difference]: Finished difference. Result has 198 places, 160 transitions, 2635 flow [2024-11-28 03:17:33,175 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2418, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2635, PETRI_PLACES=198, PETRI_TRANSITIONS=160} [2024-11-28 03:17:33,175 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 159 predicate places. [2024-11-28 03:17:33,176 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 160 transitions, 2635 flow [2024-11-28 03:17:33,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:33,176 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:33,176 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:33,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 03:17:33,177 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:17:33,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:33,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1611612988, now seen corresponding path program 3 times [2024-11-28 03:17:33,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:33,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229973295] [2024-11-28 03:17:33,178 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:17:33,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:33,213 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 03:17:33,213 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:17:33,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:17:33,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:33,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229973295] [2024-11-28 03:17:33,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229973295] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:33,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:33,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:17:33,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235867985] [2024-11-28 03:17:33,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:33,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:17:33,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:33,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:17:33,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:17:34,000 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-28 03:17:34,001 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 160 transitions, 2635 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:34,001 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:17:34,001 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-28 03:17:34,002 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:17:35,038 INFO L124 PetriNetUnfolderBase]: 1168/2335 cut-off events. [2024-11-28 03:17:35,039 INFO L125 PetriNetUnfolderBase]: For 20857/20861 co-relation queries the response was YES. [2024-11-28 03:17:35,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10984 conditions, 2335 events. 1168/2335 cut-off events. For 20857/20861 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 15463 event pairs, 469 based on Foata normal form. 16/2351 useless extension candidates. Maximal degree in co-relation 10931. Up to 1650 conditions per place. [2024-11-28 03:17:35,057 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 134 selfloop transitions, 62 changer transitions 0/198 dead transitions. [2024-11-28 03:17:35,057 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 198 transitions, 3142 flow [2024-11-28 03:17:35,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 03:17:35,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-28 03:17:35,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 180 transitions. [2024-11-28 03:17:35,059 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3157894736842105 [2024-11-28 03:17:35,059 INFO L175 Difference]: Start difference. First operand has 198 places, 160 transitions, 2635 flow. Second operand 15 states and 180 transitions. [2024-11-28 03:17:35,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 198 transitions, 3142 flow [2024-11-28 03:17:35,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 198 transitions, 3076 flow, removed 4 selfloop flow, removed 6 redundant places. [2024-11-28 03:17:35,172 INFO L231 Difference]: Finished difference. Result has 209 places, 162 transitions, 2751 flow [2024-11-28 03:17:35,173 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2569, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2751, PETRI_PLACES=209, PETRI_TRANSITIONS=162} [2024-11-28 03:17:35,173 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 170 predicate places. [2024-11-28 03:17:35,173 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 162 transitions, 2751 flow [2024-11-28 03:17:35,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:35,173 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:35,174 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:35,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 03:17:35,174 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:17:35,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:35,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1758300028, now seen corresponding path program 4 times [2024-11-28 03:17:35,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:35,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675323300] [2024-11-28 03:17:35,175 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 03:17:35,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:35,216 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 03:17:35,216 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:17:35,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:17:35,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:35,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675323300] [2024-11-28 03:17:35,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675323300] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:35,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:35,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:17:35,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573275602] [2024-11-28 03:17:35,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:35,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:17:35,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:35,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:17:35,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:17:36,039 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-28 03:17:36,039 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 162 transitions, 2751 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:36,039 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:17:36,039 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-28 03:17:36,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:17:37,183 INFO L124 PetriNetUnfolderBase]: 1224/2451 cut-off events. [2024-11-28 03:17:37,183 INFO L125 PetriNetUnfolderBase]: For 22953/22957 co-relation queries the response was YES. [2024-11-28 03:17:37,195 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11634 conditions, 2451 events. 1224/2451 cut-off events. For 22953/22957 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 16496 event pairs, 461 based on Foata normal form. 12/2463 useless extension candidates. Maximal degree in co-relation 11578. Up to 1339 conditions per place. [2024-11-28 03:17:37,203 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 135 selfloop transitions, 62 changer transitions 0/199 dead transitions. [2024-11-28 03:17:37,203 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 199 transitions, 3270 flow [2024-11-28 03:17:37,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 03:17:37,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-28 03:17:37,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 170 transitions. [2024-11-28 03:17:37,205 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.31954887218045114 [2024-11-28 03:17:37,205 INFO L175 Difference]: Start difference. First operand has 209 places, 162 transitions, 2751 flow. Second operand 14 states and 170 transitions. [2024-11-28 03:17:37,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 199 transitions, 3270 flow [2024-11-28 03:17:37,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 199 transitions, 3139 flow, removed 6 selfloop flow, removed 12 redundant places. [2024-11-28 03:17:37,329 INFO L231 Difference]: Finished difference. Result has 213 places, 164 transitions, 2795 flow [2024-11-28 03:17:37,330 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2620, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=2795, PETRI_PLACES=213, PETRI_TRANSITIONS=164} [2024-11-28 03:17:37,330 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 174 predicate places. [2024-11-28 03:17:37,330 INFO L471 AbstractCegarLoop]: Abstraction has has 213 places, 164 transitions, 2795 flow [2024-11-28 03:17:37,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:37,330 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:37,330 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:37,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 03:17:37,331 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:17:37,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:37,331 INFO L85 PathProgramCache]: Analyzing trace with hash 98716587, now seen corresponding path program 8 times [2024-11-28 03:17:37,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:37,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232043460] [2024-11-28 03:17:37,332 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:17:37,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:37,361 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:17:37,361 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:17:38,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:17:38,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:38,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232043460] [2024-11-28 03:17:38,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232043460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:38,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:38,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:17:38,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551737018] [2024-11-28 03:17:38,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:38,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:17:38,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:38,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:17:38,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:17:38,245 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-28 03:17:38,245 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 164 transitions, 2795 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:38,246 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:17:38,246 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-28 03:17:38,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:17:39,717 INFO L124 PetriNetUnfolderBase]: 1286/2583 cut-off events. [2024-11-28 03:17:39,718 INFO L125 PetriNetUnfolderBase]: For 24838/24842 co-relation queries the response was YES. [2024-11-28 03:17:39,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12399 conditions, 2583 events. 1286/2583 cut-off events. For 24838/24842 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 17591 event pairs, 417 based on Foata normal form. 14/2597 useless extension candidates. Maximal degree in co-relation 12339. Up to 963 conditions per place. [2024-11-28 03:17:39,752 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 145 selfloop transitions, 83 changer transitions 0/230 dead transitions. [2024-11-28 03:17:39,752 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 230 transitions, 3497 flow [2024-11-28 03:17:39,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 03:17:39,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-28 03:17:39,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 248 transitions. [2024-11-28 03:17:39,754 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.34349030470914127 [2024-11-28 03:17:39,754 INFO L175 Difference]: Start difference. First operand has 213 places, 164 transitions, 2795 flow. Second operand 19 states and 248 transitions. [2024-11-28 03:17:39,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 230 transitions, 3497 flow [2024-11-28 03:17:39,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 230 transitions, 3368 flow, removed 6 selfloop flow, removed 10 redundant places. [2024-11-28 03:17:39,910 INFO L231 Difference]: Finished difference. Result has 224 places, 167 transitions, 2974 flow [2024-11-28 03:17:39,910 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2666, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=2974, PETRI_PLACES=224, PETRI_TRANSITIONS=167} [2024-11-28 03:17:39,910 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 185 predicate places. [2024-11-28 03:17:39,911 INFO L471 AbstractCegarLoop]: Abstraction has has 224 places, 167 transitions, 2974 flow [2024-11-28 03:17:39,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:39,911 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:39,911 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:39,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-28 03:17:39,911 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:17:39,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:39,912 INFO L85 PathProgramCache]: Analyzing trace with hash 90128418, now seen corresponding path program 5 times [2024-11-28 03:17:39,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:39,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920131271] [2024-11-28 03:17:39,912 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 03:17:39,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:39,947 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:17:39,948 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:17:40,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:17:40,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:40,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920131271] [2024-11-28 03:17:40,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920131271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:40,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:40,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:17:40,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424112284] [2024-11-28 03:17:40,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:40,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:17:40,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:40,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:17:40,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:17:40,730 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-28 03:17:40,730 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 167 transitions, 2974 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:40,730 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:17:40,730 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-28 03:17:40,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:17:41,879 INFO L124 PetriNetUnfolderBase]: 1269/2554 cut-off events. [2024-11-28 03:17:41,879 INFO L125 PetriNetUnfolderBase]: For 27370/27374 co-relation queries the response was YES. [2024-11-28 03:17:41,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12576 conditions, 2554 events. 1269/2554 cut-off events. For 27370/27374 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 17422 event pairs, 498 based on Foata normal form. 12/2566 useless extension candidates. Maximal degree in co-relation 12515. Up to 1793 conditions per place. [2024-11-28 03:17:41,902 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 147 selfloop transitions, 57 changer transitions 0/206 dead transitions. [2024-11-28 03:17:41,902 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 206 transitions, 3469 flow [2024-11-28 03:17:41,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 03:17:41,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-28 03:17:41,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 190 transitions. [2024-11-28 03:17:41,904 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3333333333333333 [2024-11-28 03:17:41,904 INFO L175 Difference]: Start difference. First operand has 224 places, 167 transitions, 2974 flow. Second operand 15 states and 190 transitions. [2024-11-28 03:17:41,904 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 206 transitions, 3469 flow [2024-11-28 03:17:42,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 206 transitions, 3354 flow, removed 7 selfloop flow, removed 17 redundant places. [2024-11-28 03:17:42,092 INFO L231 Difference]: Finished difference. Result has 220 places, 166 transitions, 2959 flow [2024-11-28 03:17:42,092 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2845, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2959, PETRI_PLACES=220, PETRI_TRANSITIONS=166} [2024-11-28 03:17:42,093 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 181 predicate places. [2024-11-28 03:17:42,093 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 166 transitions, 2959 flow [2024-11-28 03:17:42,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:42,093 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:42,093 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:42,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-28 03:17:42,093 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:17:42,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:42,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1233458125, now seen corresponding path program 9 times [2024-11-28 03:17:42,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:42,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717372773] [2024-11-28 03:17:42,094 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:17:42,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:42,122 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 03:17:42,122 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:17:42,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:17:42,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:42,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717372773] [2024-11-28 03:17:42,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717372773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:42,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:42,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:17:42,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988507249] [2024-11-28 03:17:42,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:42,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:17:42,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:42,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:17:42,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:17:42,982 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-28 03:17:42,982 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 166 transitions, 2959 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:42,982 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:17:42,982 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-28 03:17:42,982 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:17:44,313 INFO L124 PetriNetUnfolderBase]: 1331/2684 cut-off events. [2024-11-28 03:17:44,314 INFO L125 PetriNetUnfolderBase]: For 28589/28593 co-relation queries the response was YES. [2024-11-28 03:17:44,333 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13261 conditions, 2684 events. 1331/2684 cut-off events. For 28589/28593 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 18524 event pairs, 436 based on Foata normal form. 14/2698 useless extension candidates. Maximal degree in co-relation 13203. Up to 1048 conditions per place. [2024-11-28 03:17:44,342 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 134 selfloop transitions, 89 changer transitions 0/225 dead transitions. [2024-11-28 03:17:44,342 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 225 transitions, 3647 flow [2024-11-28 03:17:44,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 03:17:44,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-28 03:17:44,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 226 transitions. [2024-11-28 03:17:44,344 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3304093567251462 [2024-11-28 03:17:44,345 INFO L175 Difference]: Start difference. First operand has 220 places, 166 transitions, 2959 flow. Second operand 18 states and 226 transitions. [2024-11-28 03:17:44,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 225 transitions, 3647 flow [2024-11-28 03:17:44,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 225 transitions, 3551 flow, removed 7 selfloop flow, removed 13 redundant places. [2024-11-28 03:17:44,506 INFO L231 Difference]: Finished difference. Result has 227 places, 169 transitions, 3199 flow [2024-11-28 03:17:44,506 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2864, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=3199, PETRI_PLACES=227, PETRI_TRANSITIONS=169} [2024-11-28 03:17:44,507 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 188 predicate places. [2024-11-28 03:17:44,507 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 169 transitions, 3199 flow [2024-11-28 03:17:44,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:44,507 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:44,507 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:44,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-28 03:17:44,507 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:17:44,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:44,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1618165645, now seen corresponding path program 10 times [2024-11-28 03:17:44,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:44,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878220547] [2024-11-28 03:17:44,508 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 03:17:44,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:44,529 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 03:17:44,529 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:17:45,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:17:45,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:45,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878220547] [2024-11-28 03:17:45,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878220547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:45,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:45,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:17:45,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113212479] [2024-11-28 03:17:45,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:45,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:17:45,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:45,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:17:45,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:17:45,347 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-28 03:17:45,347 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 169 transitions, 3199 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:45,347 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:17:45,347 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-28 03:17:45,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:17:46,698 INFO L124 PetriNetUnfolderBase]: 1312/2651 cut-off events. [2024-11-28 03:17:46,698 INFO L125 PetriNetUnfolderBase]: For 31588/31592 co-relation queries the response was YES. [2024-11-28 03:17:46,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13451 conditions, 2651 events. 1312/2651 cut-off events. For 31588/31592 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 18284 event pairs, 370 based on Foata normal form. 14/2665 useless extension candidates. Maximal degree in co-relation 13394. Up to 683 conditions per place. [2024-11-28 03:17:46,719 INFO L140 encePairwiseOnDemand]: 26/38 looper letters, 137 selfloop transitions, 96 changer transitions 0/235 dead transitions. [2024-11-28 03:17:46,719 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 235 transitions, 3814 flow [2024-11-28 03:17:46,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 03:17:46,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-28 03:17:46,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 245 transitions. [2024-11-28 03:17:46,720 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.33933518005540164 [2024-11-28 03:17:46,720 INFO L175 Difference]: Start difference. First operand has 227 places, 169 transitions, 3199 flow. Second operand 19 states and 245 transitions. [2024-11-28 03:17:46,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 235 transitions, 3814 flow [2024-11-28 03:17:46,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 235 transitions, 3505 flow, removed 15 selfloop flow, removed 24 redundant places. [2024-11-28 03:17:46,891 INFO L231 Difference]: Finished difference. Result has 220 places, 168 transitions, 3060 flow [2024-11-28 03:17:46,891 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2868, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=3060, PETRI_PLACES=220, PETRI_TRANSITIONS=168} [2024-11-28 03:17:46,891 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 181 predicate places. [2024-11-28 03:17:46,892 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 168 transitions, 3060 flow [2024-11-28 03:17:46,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:46,892 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:46,892 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:46,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-28 03:17:46,892 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:17:46,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:46,893 INFO L85 PathProgramCache]: Analyzing trace with hash 271157345, now seen corresponding path program 1 times [2024-11-28 03:17:46,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:46,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854300155] [2024-11-28 03:17:46,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:46,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:47,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:17:47,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:47,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854300155] [2024-11-28 03:17:47,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854300155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:47,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:47,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:17:47,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818910647] [2024-11-28 03:17:47,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:47,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:17:47,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:47,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:17:47,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:17:47,662 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-28 03:17:47,663 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 168 transitions, 3060 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:47,663 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:17:47,663 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-28 03:17:47,663 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:17:48,719 INFO L124 PetriNetUnfolderBase]: 1293/2608 cut-off events. [2024-11-28 03:17:48,719 INFO L125 PetriNetUnfolderBase]: For 27996/28000 co-relation queries the response was YES. [2024-11-28 03:17:48,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12990 conditions, 2608 events. 1293/2608 cut-off events. For 27996/28000 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 18100 event pairs, 627 based on Foata normal form. 14/2622 useless extension candidates. Maximal degree in co-relation 12943. Up to 2071 conditions per place. [2024-11-28 03:17:48,737 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 131 selfloop transitions, 47 changer transitions 25/205 dead transitions. [2024-11-28 03:17:48,737 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 205 transitions, 3496 flow [2024-11-28 03:17:48,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 03:17:48,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-28 03:17:48,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 180 transitions. [2024-11-28 03:17:48,739 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3383458646616541 [2024-11-28 03:17:48,739 INFO L175 Difference]: Start difference. First operand has 220 places, 168 transitions, 3060 flow. Second operand 14 states and 180 transitions. [2024-11-28 03:17:48,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 205 transitions, 3496 flow [2024-11-28 03:17:48,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 205 transitions, 3325 flow, removed 6 selfloop flow, removed 16 redundant places. [2024-11-28 03:17:48,904 INFO L231 Difference]: Finished difference. Result has 217 places, 160 transitions, 2788 flow [2024-11-28 03:17:48,905 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2829, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=2788, PETRI_PLACES=217, PETRI_TRANSITIONS=160} [2024-11-28 03:17:48,905 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 178 predicate places. [2024-11-28 03:17:48,905 INFO L471 AbstractCegarLoop]: Abstraction has has 217 places, 160 transitions, 2788 flow [2024-11-28 03:17:48,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:48,905 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:48,906 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:48,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-28 03:17:48,906 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:17:48,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:48,906 INFO L85 PathProgramCache]: Analyzing trace with hash 4924115, now seen corresponding path program 1 times [2024-11-28 03:17:48,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:48,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816430998] [2024-11-28 03:17:48,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:48,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:49,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:17:49,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:49,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816430998] [2024-11-28 03:17:49,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816430998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:49,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:49,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:17:49,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501271790] [2024-11-28 03:17:49,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:49,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:17:49,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:49,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:17:49,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:17:49,695 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-28 03:17:49,695 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 160 transitions, 2788 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:49,695 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:17:49,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-28 03:17:49,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:17:50,879 INFO L124 PetriNetUnfolderBase]: 1223/2474 cut-off events. [2024-11-28 03:17:50,879 INFO L125 PetriNetUnfolderBase]: For 24561/24565 co-relation queries the response was YES. [2024-11-28 03:17:50,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12173 conditions, 2474 events. 1223/2474 cut-off events. For 24561/24565 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 17037 event pairs, 637 based on Foata normal form. 12/2486 useless extension candidates. Maximal degree in co-relation 12127. Up to 1865 conditions per place. [2024-11-28 03:17:50,900 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 121 selfloop transitions, 57 changer transitions 26/206 dead transitions. [2024-11-28 03:17:50,900 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 206 transitions, 3375 flow [2024-11-28 03:17:50,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 03:17:50,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-28 03:17:50,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 216 transitions. [2024-11-28 03:17:50,902 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3157894736842105 [2024-11-28 03:17:50,902 INFO L175 Difference]: Start difference. First operand has 217 places, 160 transitions, 2788 flow. Second operand 18 states and 216 transitions. [2024-11-28 03:17:50,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 206 transitions, 3375 flow [2024-11-28 03:17:51,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 206 transitions, 3175 flow, removed 11 selfloop flow, removed 14 redundant places. [2024-11-28 03:17:51,005 INFO L231 Difference]: Finished difference. Result has 214 places, 152 transitions, 2592 flow [2024-11-28 03:17:51,006 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2571, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2592, PETRI_PLACES=214, PETRI_TRANSITIONS=152} [2024-11-28 03:17:51,006 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 175 predicate places. [2024-11-28 03:17:51,006 INFO L471 AbstractCegarLoop]: Abstraction has has 214 places, 152 transitions, 2592 flow [2024-11-28 03:17:51,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:51,006 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:51,007 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:51,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-28 03:17:51,007 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:17:51,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:51,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1433386435, now seen corresponding path program 2 times [2024-11-28 03:17:51,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:51,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274189138] [2024-11-28 03:17:51,008 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:17:51,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:51,031 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:17:51,031 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:17:51,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:17:51,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:51,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274189138] [2024-11-28 03:17:51,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274189138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:51,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:51,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:17:51,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593594686] [2024-11-28 03:17:51,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:51,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:17:51,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:51,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:17:51,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:17:51,744 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-28 03:17:51,745 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 152 transitions, 2592 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:51,745 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:17:51,745 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-28 03:17:51,745 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:17:52,808 INFO L124 PetriNetUnfolderBase]: 1127/2286 cut-off events. [2024-11-28 03:17:52,808 INFO L125 PetriNetUnfolderBase]: For 20199/20203 co-relation queries the response was YES. [2024-11-28 03:17:52,820 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11001 conditions, 2286 events. 1127/2286 cut-off events. For 20199/20203 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 15541 event pairs, 591 based on Foata normal form. 14/2300 useless extension candidates. Maximal degree in co-relation 10956. Up to 1849 conditions per place. [2024-11-28 03:17:52,826 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 122 selfloop transitions, 37 changer transitions 25/186 dead transitions. [2024-11-28 03:17:52,826 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 186 transitions, 2988 flow [2024-11-28 03:17:52,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 03:17:52,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-28 03:17:52,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 182 transitions. [2024-11-28 03:17:52,827 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3192982456140351 [2024-11-28 03:17:52,828 INFO L175 Difference]: Start difference. First operand has 214 places, 152 transitions, 2592 flow. Second operand 15 states and 182 transitions. [2024-11-28 03:17:52,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 186 transitions, 2988 flow [2024-11-28 03:17:52,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 186 transitions, 2734 flow, removed 11 selfloop flow, removed 27 redundant places. [2024-11-28 03:17:52,911 INFO L231 Difference]: Finished difference. Result has 190 places, 144 transitions, 2279 flow [2024-11-28 03:17:52,911 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2282, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2279, PETRI_PLACES=190, PETRI_TRANSITIONS=144} [2024-11-28 03:17:52,911 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 151 predicate places. [2024-11-28 03:17:52,912 INFO L471 AbstractCegarLoop]: Abstraction has has 190 places, 144 transitions, 2279 flow [2024-11-28 03:17:52,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:52,912 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:52,912 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:52,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-28 03:17:52,912 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:17:52,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:52,913 INFO L85 PathProgramCache]: Analyzing trace with hash 129437887, now seen corresponding path program 3 times [2024-11-28 03:17:52,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:52,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075290719] [2024-11-28 03:17:52,913 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:17:52,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:52,940 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 03:17:52,940 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:17:53,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:17:53,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:53,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075290719] [2024-11-28 03:17:53,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075290719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:53,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:53,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:17:53,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173184604] [2024-11-28 03:17:53,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:53,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:17:53,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:53,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:17:53,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:17:53,543 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-28 03:17:53,544 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 144 transitions, 2279 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:53,544 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:17:53,544 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-28 03:17:53,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:17:54,535 INFO L124 PetriNetUnfolderBase]: 1051/2144 cut-off events. [2024-11-28 03:17:54,535 INFO L125 PetriNetUnfolderBase]: For 17479/17483 co-relation queries the response was YES. [2024-11-28 03:17:54,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9898 conditions, 2144 events. 1051/2144 cut-off events. For 17479/17483 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 14195 event pairs, 372 based on Foata normal form. 14/2158 useless extension candidates. Maximal degree in co-relation 9856. Up to 1474 conditions per place. [2024-11-28 03:17:54,548 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 96 selfloop transitions, 60 changer transitions 30/188 dead transitions. [2024-11-28 03:17:54,548 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 188 transitions, 2707 flow [2024-11-28 03:17:54,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 03:17:54,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-28 03:17:54,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 220 transitions. [2024-11-28 03:17:54,549 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3216374269005848 [2024-11-28 03:17:54,549 INFO L175 Difference]: Start difference. First operand has 190 places, 144 transitions, 2279 flow. Second operand 18 states and 220 transitions. [2024-11-28 03:17:54,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 188 transitions, 2707 flow [2024-11-28 03:17:54,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 188 transitions, 2560 flow, removed 1 selfloop flow, removed 13 redundant places. [2024-11-28 03:17:54,617 INFO L231 Difference]: Finished difference. Result has 187 places, 133 transitions, 2070 flow [2024-11-28 03:17:54,617 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=2078, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2070, PETRI_PLACES=187, PETRI_TRANSITIONS=133} [2024-11-28 03:17:54,618 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 148 predicate places. [2024-11-28 03:17:54,618 INFO L471 AbstractCegarLoop]: Abstraction has has 187 places, 133 transitions, 2070 flow [2024-11-28 03:17:54,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:54,618 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:54,619 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:54,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-28 03:17:54,619 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:17:54,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:54,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1533214801, now seen corresponding path program 4 times [2024-11-28 03:17:54,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:54,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123574159] [2024-11-28 03:17:54,620 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 03:17:54,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:54,646 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 03:17:54,646 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:17:55,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:17:55,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:55,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123574159] [2024-11-28 03:17:55,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123574159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:55,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:55,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:17:55,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856375354] [2024-11-28 03:17:55,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:55,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:17:55,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:55,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:17:55,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:17:55,368 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-28 03:17:55,368 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 133 transitions, 2070 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:55,368 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:17:55,368 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-28 03:17:55,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:17:56,632 INFO L124 PetriNetUnfolderBase]: 959/1956 cut-off events. [2024-11-28 03:17:56,633 INFO L125 PetriNetUnfolderBase]: For 15715/15719 co-relation queries the response was YES. [2024-11-28 03:17:56,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9006 conditions, 1956 events. 959/1956 cut-off events. For 15715/15719 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 12750 event pairs, 307 based on Foata normal form. 14/1970 useless extension candidates. Maximal degree in co-relation 8965. Up to 1193 conditions per place. [2024-11-28 03:17:56,646 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 100 selfloop transitions, 62 changer transitions 15/179 dead transitions. [2024-11-28 03:17:56,646 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 179 transitions, 2491 flow [2024-11-28 03:17:56,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 03:17:56,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-28 03:17:56,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 227 transitions. [2024-11-28 03:17:56,647 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.314404432132964 [2024-11-28 03:17:56,647 INFO L175 Difference]: Start difference. First operand has 187 places, 133 transitions, 2070 flow. Second operand 19 states and 227 transitions. [2024-11-28 03:17:56,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 179 transitions, 2491 flow [2024-11-28 03:17:56,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 179 transitions, 2208 flow, removed 12 selfloop flow, removed 23 redundant places. [2024-11-28 03:17:56,706 INFO L231 Difference]: Finished difference. Result has 176 places, 127 transitions, 1813 flow [2024-11-28 03:17:56,706 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1737, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1813, PETRI_PLACES=176, PETRI_TRANSITIONS=127} [2024-11-28 03:17:56,707 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 137 predicate places. [2024-11-28 03:17:56,707 INFO L471 AbstractCegarLoop]: Abstraction has has 176 places, 127 transitions, 1813 flow [2024-11-28 03:17:56,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:56,707 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:56,707 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:56,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-28 03:17:56,708 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:17:56,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:56,708 INFO L85 PathProgramCache]: Analyzing trace with hash -241778473, now seen corresponding path program 5 times [2024-11-28 03:17:56,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:56,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657883589] [2024-11-28 03:17:56,708 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 03:17:56,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:56,729 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:17:56,729 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:17:57,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:17:57,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:57,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657883589] [2024-11-28 03:17:57,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657883589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:57,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:57,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:17:57,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286877182] [2024-11-28 03:17:57,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:57,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:17:57,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:57,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:17:57,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:17:57,369 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-28 03:17:57,370 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 127 transitions, 1813 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:57,370 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:17:57,370 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-28 03:17:57,370 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:17:58,322 INFO L124 PetriNetUnfolderBase]: 874/1779 cut-off events. [2024-11-28 03:17:58,322 INFO L125 PetriNetUnfolderBase]: For 11979/11983 co-relation queries the response was YES. [2024-11-28 03:17:58,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7850 conditions, 1779 events. 874/1779 cut-off events. For 11979/11983 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 11436 event pairs, 434 based on Foata normal form. 14/1793 useless extension candidates. Maximal degree in co-relation 7813. Up to 1413 conditions per place. [2024-11-28 03:17:58,332 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 100 selfloop transitions, 25 changer transitions 29/156 dead transitions. [2024-11-28 03:17:58,332 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 156 transitions, 2147 flow [2024-11-28 03:17:58,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:17:58,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-28 03:17:58,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 149 transitions. [2024-11-28 03:17:58,334 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3267543859649123 [2024-11-28 03:17:58,334 INFO L175 Difference]: Start difference. First operand has 176 places, 127 transitions, 1813 flow. Second operand 12 states and 149 transitions. [2024-11-28 03:17:58,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 156 transitions, 2147 flow [2024-11-28 03:17:58,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 156 transitions, 1921 flow, removed 0 selfloop flow, removed 23 redundant places. [2024-11-28 03:17:58,380 INFO L231 Difference]: Finished difference. Result has 163 places, 117 transitions, 1527 flow [2024-11-28 03:17:58,380 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1539, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1527, PETRI_PLACES=163, PETRI_TRANSITIONS=117} [2024-11-28 03:17:58,380 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 124 predicate places. [2024-11-28 03:17:58,380 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 117 transitions, 1527 flow [2024-11-28 03:17:58,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:58,381 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:58,381 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:58,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-28 03:17:58,381 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:17:58,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:58,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1510618253, now seen corresponding path program 6 times [2024-11-28 03:17:58,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:58,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563006373] [2024-11-28 03:17:58,382 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-28 03:17:58,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:58,401 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-28 03:17:58,401 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:17:58,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:17:58,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:58,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563006373] [2024-11-28 03:17:58,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563006373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:58,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:58,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:17:58,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948667681] [2024-11-28 03:17:58,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:58,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:17:58,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:58,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:17:58,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:17:58,951 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-28 03:17:58,951 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 117 transitions, 1527 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:58,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:17:58,951 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-28 03:17:58,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:17:59,926 INFO L124 PetriNetUnfolderBase]: 798/1630 cut-off events. [2024-11-28 03:17:59,926 INFO L125 PetriNetUnfolderBase]: For 9518/9522 co-relation queries the response was YES. [2024-11-28 03:17:59,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6902 conditions, 1630 events. 798/1630 cut-off events. For 9518/9522 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 10165 event pairs, 196 based on Foata normal form. 11/1641 useless extension candidates. Maximal degree in co-relation 6867. Up to 819 conditions per place. [2024-11-28 03:17:59,939 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 75 selfloop transitions, 58 changer transitions 36/171 dead transitions. [2024-11-28 03:17:59,939 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 171 transitions, 2010 flow [2024-11-28 03:17:59,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 03:17:59,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-28 03:17:59,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 230 transitions. [2024-11-28 03:17:59,941 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3185595567867036 [2024-11-28 03:17:59,941 INFO L175 Difference]: Start difference. First operand has 163 places, 117 transitions, 1527 flow. Second operand 19 states and 230 transitions. [2024-11-28 03:17:59,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 171 transitions, 2010 flow [2024-11-28 03:17:59,977 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 171 transitions, 1909 flow, removed 1 selfloop flow, removed 10 redundant places. [2024-11-28 03:17:59,979 INFO L231 Difference]: Finished difference. Result has 159 places, 106 transitions, 1443 flow [2024-11-28 03:17:59,979 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1403, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1443, PETRI_PLACES=159, PETRI_TRANSITIONS=106} [2024-11-28 03:17:59,980 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 120 predicate places. [2024-11-28 03:17:59,980 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 106 transitions, 1443 flow [2024-11-28 03:17:59,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:17:59,980 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:17:59,981 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:59,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-28 03:17:59,981 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:17:59,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:59,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1552846389, now seen corresponding path program 2 times [2024-11-28 03:17:59,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:59,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414114856] [2024-11-28 03:17:59,981 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:17:59,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:00,002 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:18:00,002 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:18:00,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:18:00,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:00,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414114856] [2024-11-28 03:18:00,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414114856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:18:00,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:18:00,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:18:00,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896939983] [2024-11-28 03:18:00,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:18:00,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:18:00,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:00,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:18:00,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:18:00,508 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-28 03:18:00,509 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 106 transitions, 1443 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:18:00,509 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:18:00,509 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-28 03:18:00,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:18:01,494 INFO L124 PetriNetUnfolderBase]: 710/1449 cut-off events. [2024-11-28 03:18:01,494 INFO L125 PetriNetUnfolderBase]: For 9128/9132 co-relation queries the response was YES. [2024-11-28 03:18:01,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6339 conditions, 1449 events. 710/1449 cut-off events. For 9128/9132 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 8797 event pairs, 167 based on Foata normal form. 16/1465 useless extension candidates. Maximal degree in co-relation 6307. Up to 914 conditions per place. [2024-11-28 03:18:01,502 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 74 selfloop transitions, 50 changer transitions 21/147 dead transitions. [2024-11-28 03:18:01,502 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 147 transitions, 1819 flow [2024-11-28 03:18:01,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 03:18:01,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-28 03:18:01,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 226 transitions. [2024-11-28 03:18:01,504 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.29736842105263156 [2024-11-28 03:18:01,504 INFO L175 Difference]: Start difference. First operand has 159 places, 106 transitions, 1443 flow. Second operand 20 states and 226 transitions. [2024-11-28 03:18:01,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 147 transitions, 1819 flow [2024-11-28 03:18:01,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 147 transitions, 1469 flow, removed 12 selfloop flow, removed 28 redundant places. [2024-11-28 03:18:01,536 INFO L231 Difference]: Finished difference. Result has 143 places, 97 transitions, 1081 flow [2024-11-28 03:18:01,536 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=1087, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=1081, PETRI_PLACES=143, PETRI_TRANSITIONS=97} [2024-11-28 03:18:01,536 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 104 predicate places. [2024-11-28 03:18:01,537 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 97 transitions, 1081 flow [2024-11-28 03:18:01,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:18:01,537 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:18:01,537 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:18:01,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-28 03:18:01,537 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:18:01,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:01,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1234752573, now seen corresponding path program 7 times [2024-11-28 03:18:01,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:01,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124937147] [2024-11-28 03:18:01,539 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-28 03:18:01,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:01,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:18:02,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:18:02,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:02,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124937147] [2024-11-28 03:18:02,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124937147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:18:02,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:18:02,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:18:02,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615892506] [2024-11-28 03:18:02,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:18:02,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:18:02,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:02,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:18:02,083 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:18:02,137 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-28 03:18:02,137 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 97 transitions, 1081 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:18:02,137 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:18:02,137 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-28 03:18:02,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:18:03,108 INFO L124 PetriNetUnfolderBase]: 626/1281 cut-off events. [2024-11-28 03:18:03,108 INFO L125 PetriNetUnfolderBase]: For 4884/4884 co-relation queries the response was YES. [2024-11-28 03:18:03,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4850 conditions, 1281 events. 626/1281 cut-off events. For 4884/4884 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 7513 event pairs, 147 based on Foata normal form. 14/1295 useless extension candidates. Maximal degree in co-relation 4827. Up to 784 conditions per place. [2024-11-28 03:18:03,113 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 76 selfloop transitions, 41 changer transitions 24/143 dead transitions. [2024-11-28 03:18:03,114 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 143 transitions, 1436 flow [2024-11-28 03:18:03,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 03:18:03,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-28 03:18:03,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 215 transitions. [2024-11-28 03:18:03,115 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.31432748538011696 [2024-11-28 03:18:03,115 INFO L175 Difference]: Start difference. First operand has 143 places, 97 transitions, 1081 flow. Second operand 18 states and 215 transitions. [2024-11-28 03:18:03,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 143 transitions, 1436 flow [2024-11-28 03:18:03,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 143 transitions, 1293 flow, removed 1 selfloop flow, removed 19 redundant places. [2024-11-28 03:18:03,133 INFO L231 Difference]: Finished difference. Result has 134 places, 88 transitions, 878 flow [2024-11-28 03:18:03,133 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=900, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=878, PETRI_PLACES=134, PETRI_TRANSITIONS=88} [2024-11-28 03:18:03,134 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 95 predicate places. [2024-11-28 03:18:03,134 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 88 transitions, 878 flow [2024-11-28 03:18:03,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:18:03,134 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:18:03,134 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:18:03,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-28 03:18:03,134 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:18:03,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:03,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1819079619, now seen corresponding path program 8 times [2024-11-28 03:18:03,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:03,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553835523] [2024-11-28 03:18:03,135 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:18:03,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:03,153 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:18:03,154 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:18:03,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:18:03,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:03,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553835523] [2024-11-28 03:18:03,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553835523] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:18:03,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:18:03,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:18:03,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798847329] [2024-11-28 03:18:03,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:18:03,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:18:03,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:03,655 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:18:03,655 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:18:03,711 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-28 03:18:03,711 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 88 transitions, 878 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:18:03,711 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:18:03,711 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-28 03:18:03,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:18:04,468 INFO L124 PetriNetUnfolderBase]: 538/1101 cut-off events. [2024-11-28 03:18:04,468 INFO L125 PetriNetUnfolderBase]: For 3669/3677 co-relation queries the response was YES. [2024-11-28 03:18:04,471 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3972 conditions, 1101 events. 538/1101 cut-off events. For 3669/3677 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 6173 event pairs, 142 based on Foata normal form. 18/1119 useless extension candidates. Maximal degree in co-relation 3950. Up to 684 conditions per place. [2024-11-28 03:18:04,473 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 61 selfloop transitions, 28 changer transitions 35/126 dead transitions. [2024-11-28 03:18:04,473 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 126 transitions, 1178 flow [2024-11-28 03:18:04,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 03:18:04,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-28 03:18:04,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 178 transitions. [2024-11-28 03:18:04,474 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.312280701754386 [2024-11-28 03:18:04,475 INFO L175 Difference]: Start difference. First operand has 134 places, 88 transitions, 878 flow. Second operand 15 states and 178 transitions. [2024-11-28 03:18:04,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 126 transitions, 1178 flow [2024-11-28 03:18:04,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 126 transitions, 1041 flow, removed 3 selfloop flow, removed 20 redundant places. [2024-11-28 03:18:04,487 INFO L231 Difference]: Finished difference. Result has 125 places, 75 transitions, 654 flow [2024-11-28 03:18:04,487 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=705, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=654, PETRI_PLACES=125, PETRI_TRANSITIONS=75} [2024-11-28 03:18:04,488 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 86 predicate places. [2024-11-28 03:18:04,488 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 75 transitions, 654 flow [2024-11-28 03:18:04,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:18:04,488 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:18:04,488 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:18:04,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-28 03:18:04,488 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:18:04,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:04,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1413371679, now seen corresponding path program 3 times [2024-11-28 03:18:04,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:04,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305442662] [2024-11-28 03:18:04,489 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:18:04,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:04,512 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 03:18:04,513 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:18:04,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:18:04,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:04,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305442662] [2024-11-28 03:18:04,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305442662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:18:04,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:18:04,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:18:04,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721155046] [2024-11-28 03:18:04,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:18:04,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:18:04,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:04,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:18:04,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:18:05,035 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-28 03:18:05,035 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 75 transitions, 654 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:18:05,036 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:18:05,036 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-28 03:18:05,036 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:18:05,896 INFO L124 PetriNetUnfolderBase]: 411/846 cut-off events. [2024-11-28 03:18:05,896 INFO L125 PetriNetUnfolderBase]: For 2346/2350 co-relation queries the response was YES. [2024-11-28 03:18:05,898 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2868 conditions, 846 events. 411/846 cut-off events. For 2346/2350 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 4467 event pairs, 92 based on Foata normal form. 28/874 useless extension candidates. Maximal degree in co-relation 2849. Up to 426 conditions per place. [2024-11-28 03:18:05,899 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 45 selfloop transitions, 24 changer transitions 40/111 dead transitions. [2024-11-28 03:18:05,899 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 111 transitions, 929 flow [2024-11-28 03:18:05,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 03:18:05,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-28 03:18:05,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 212 transitions. [2024-11-28 03:18:05,901 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2789473684210526 [2024-11-28 03:18:05,901 INFO L175 Difference]: Start difference. First operand has 125 places, 75 transitions, 654 flow. Second operand 20 states and 212 transitions. [2024-11-28 03:18:05,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 111 transitions, 929 flow [2024-11-28 03:18:05,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 111 transitions, 816 flow, removed 2 selfloop flow, removed 15 redundant places. [2024-11-28 03:18:05,911 INFO L231 Difference]: Finished difference. Result has 118 places, 56 transitions, 412 flow [2024-11-28 03:18:05,912 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=514, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=412, PETRI_PLACES=118, PETRI_TRANSITIONS=56} [2024-11-28 03:18:05,912 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 79 predicate places. [2024-11-28 03:18:05,913 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 56 transitions, 412 flow [2024-11-28 03:18:05,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:18:05,913 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:18:05,913 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:18:05,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-28 03:18:05,913 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:18:05,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:05,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1327274515, now seen corresponding path program 4 times [2024-11-28 03:18:05,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:05,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448958852] [2024-11-28 03:18:05,914 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 03:18:05,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:05,934 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 03:18:05,934 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:18:06,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:18:06,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:06,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448958852] [2024-11-28 03:18:06,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448958852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:18:06,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:18:06,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:18:06,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691664120] [2024-11-28 03:18:06,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:18:06,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:18:06,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:06,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:18:06,430 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:18:06,466 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-28 03:18:06,466 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 56 transitions, 412 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:18:06,466 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:18:06,466 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-28 03:18:06,466 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:18:06,950 INFO L124 PetriNetUnfolderBase]: 248/519 cut-off events. [2024-11-28 03:18:06,950 INFO L125 PetriNetUnfolderBase]: For 760/760 co-relation queries the response was YES. [2024-11-28 03:18:06,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1747 conditions, 519 events. 248/519 cut-off events. For 760/760 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2376 event pairs, 60 based on Foata normal form. 12/531 useless extension candidates. Maximal degree in co-relation 1731. Up to 289 conditions per place. [2024-11-28 03:18:06,952 INFO L140 encePairwiseOnDemand]: 27/38 looper letters, 32 selfloop transitions, 16 changer transitions 30/80 dead transitions. [2024-11-28 03:18:06,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 80 transitions, 614 flow [2024-11-28 03:18:06,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 03:18:06,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-28 03:18:06,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 155 transitions. [2024-11-28 03:18:06,953 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2719298245614035 [2024-11-28 03:18:06,953 INFO L175 Difference]: Start difference. First operand has 118 places, 56 transitions, 412 flow. Second operand 15 states and 155 transitions. [2024-11-28 03:18:06,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 80 transitions, 614 flow [2024-11-28 03:18:06,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 80 transitions, 517 flow, removed 3 selfloop flow, removed 23 redundant places. [2024-11-28 03:18:06,956 INFO L231 Difference]: Finished difference. Result has 87 places, 42 transitions, 272 flow [2024-11-28 03:18:06,956 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=307, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=272, PETRI_PLACES=87, PETRI_TRANSITIONS=42} [2024-11-28 03:18:06,956 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 48 predicate places. [2024-11-28 03:18:06,956 INFO L471 AbstractCegarLoop]: Abstraction has has 87 places, 42 transitions, 272 flow [2024-11-28 03:18:06,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:18:06,957 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:18:06,957 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:18:06,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-28 03:18:06,957 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:18:06,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:06,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1804568701, now seen corresponding path program 9 times [2024-11-28 03:18:06,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:06,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341708894] [2024-11-28 03:18:06,958 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:18:06,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:06,977 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 03:18:06,977 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:18:07,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:18:07,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:07,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341708894] [2024-11-28 03:18:07,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341708894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:18:07,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:18:07,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:18:07,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268315995] [2024-11-28 03:18:07,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:18:07,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:18:07,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:07,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:18:07,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:18:07,508 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-28 03:18:07,509 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 42 transitions, 272 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:18:07,509 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:18:07,509 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-28 03:18:07,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:18:08,008 INFO L124 PetriNetUnfolderBase]: 160/343 cut-off events. [2024-11-28 03:18:08,009 INFO L125 PetriNetUnfolderBase]: For 428/428 co-relation queries the response was YES. [2024-11-28 03:18:08,009 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1084 conditions, 343 events. 160/343 cut-off events. For 428/428 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1387 event pairs, 40 based on Foata normal form. 14/357 useless extension candidates. Maximal degree in co-relation 1074. Up to 159 conditions per place. [2024-11-28 03:18:08,010 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 25 selfloop transitions, 13 changer transitions 25/65 dead transitions. [2024-11-28 03:18:08,010 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 65 transitions, 426 flow [2024-11-28 03:18:08,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:18:08,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-28 03:18:08,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 128 transitions. [2024-11-28 03:18:08,011 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2807017543859649 [2024-11-28 03:18:08,011 INFO L175 Difference]: Start difference. First operand has 87 places, 42 transitions, 272 flow. Second operand 12 states and 128 transitions. [2024-11-28 03:18:08,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 65 transitions, 426 flow [2024-11-28 03:18:08,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 65 transitions, 374 flow, removed 3 selfloop flow, removed 11 redundant places. [2024-11-28 03:18:08,013 INFO L231 Difference]: Finished difference. Result has 67 places, 33 transitions, 174 flow [2024-11-28 03:18:08,013 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=174, PETRI_PLACES=67, PETRI_TRANSITIONS=33} [2024-11-28 03:18:08,013 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 28 predicate places. [2024-11-28 03:18:08,014 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 33 transitions, 174 flow [2024-11-28 03:18:08,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:18:08,014 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:18:08,014 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:18:08,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-28 03:18:08,014 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:18:08,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:18:08,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1376472031, now seen corresponding path program 10 times [2024-11-28 03:18:08,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:18:08,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628030545] [2024-11-28 03:18:08,015 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 03:18:08,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:18:08,041 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 03:18:08,041 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:18:08,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:18:08,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:18:08,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628030545] [2024-11-28 03:18:08,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628030545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:18:08,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:18:08,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:18:08,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838357808] [2024-11-28 03:18:08,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:18:08,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:18:08,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:18:08,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:18:08,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:18:08,650 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2024-11-28 03:18:08,650 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 33 transitions, 174 flow. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:18:08,651 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:18:08,651 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2024-11-28 03:18:08,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:18:09,070 INFO L124 PetriNetUnfolderBase]: 78/181 cut-off events. [2024-11-28 03:18:09,070 INFO L125 PetriNetUnfolderBase]: For 128/128 co-relation queries the response was YES. [2024-11-28 03:18:09,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 465 conditions, 181 events. 78/181 cut-off events. For 128/128 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 579 event pairs, 0 based on Foata normal form. 14/195 useless extension candidates. Maximal degree in co-relation 457. Up to 66 conditions per place. [2024-11-28 03:18:09,071 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 0 selfloop transitions, 0 changer transitions 51/51 dead transitions. [2024-11-28 03:18:09,071 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 51 transitions, 291 flow [2024-11-28 03:18:09,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:18:09,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-28 03:18:09,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 119 transitions. [2024-11-28 03:18:09,073 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.26096491228070173 [2024-11-28 03:18:09,073 INFO L175 Difference]: Start difference. First operand has 67 places, 33 transitions, 174 flow. Second operand 12 states and 119 transitions. [2024-11-28 03:18:09,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 51 transitions, 291 flow [2024-11-28 03:18:09,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 51 transitions, 251 flow, removed 0 selfloop flow, removed 12 redundant places. [2024-11-28 03:18:09,075 INFO L231 Difference]: Finished difference. Result has 49 places, 0 transitions, 0 flow [2024-11-28 03:18:09,075 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=0, PETRI_PLACES=49, PETRI_TRANSITIONS=0} [2024-11-28 03:18:09,075 INFO L279 CegarLoopForPetriNet]: 39 programPoint places, 10 predicate places. [2024-11-28 03:18:09,075 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 0 transitions, 0 flow [2024-11-28 03:18:09,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:18:09,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2024-11-28 03:18:09,079 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2024-11-28 03:18:09,079 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-28 03:18:09,079 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-28 03:18:09,080 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-28 03:18:09,080 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-28 03:18:09,080 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-28 03:18:09,080 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-28 03:18:09,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-28 03:18:09,081 INFO L422 BasicCegarLoop]: Path program histogram: [10, 10, 5, 4, 3, 3, 1, 1, 1] [2024-11-28 03:18:09,088 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 03:18:09,089 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:18:09,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:18:09 BasicIcfg [2024-11-28 03:18:09,099 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:18:09,100 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:18:09,100 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:18:09,100 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:18:09,101 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:52" (3/4) ... [2024-11-28 03:18:09,103 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:18:09,108 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2024-11-28 03:18:09,122 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 119 nodes and edges [2024-11-28 03:18:09,123 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2024-11-28 03:18:09,124 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-28 03:18:09,124 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:18:09,243 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85185db-3878-489f-a3a4-c179c14a3647/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:18:09,244 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85185db-3878-489f-a3a4-c179c14a3647/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:18:09,244 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:18:09,247 INFO L158 Benchmark]: Toolchain (without parser) took 79710.33ms. Allocated memory was 117.4MB in the beginning and 696.3MB in the end (delta: 578.8MB). Free memory was 89.4MB in the beginning and 388.7MB in the end (delta: -299.3MB). Peak memory consumption was 278.2MB. Max. memory is 16.1GB. [2024-11-28 03:18:09,248 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.6MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:18:09,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 926.71ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 58.7MB in the end (delta: 30.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:18:09,250 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.74ms. Allocated memory is still 117.4MB. Free memory was 58.7MB in the beginning and 56.3MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:18:09,250 INFO L158 Benchmark]: Boogie Preprocessor took 123.36ms. Allocated memory is still 117.4MB. Free memory was 56.3MB in the beginning and 53.0MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:18:09,251 INFO L158 Benchmark]: RCFGBuilder took 1453.92ms. Allocated memory is still 117.4MB. Free memory was 52.7MB in the beginning and 56.4MB in the end (delta: -3.7MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2024-11-28 03:18:09,251 INFO L158 Benchmark]: TraceAbstraction took 76955.26ms. Allocated memory was 117.4MB in the beginning and 696.3MB in the end (delta: 578.8MB). Free memory was 56.1MB in the beginning and 397.1MB in the end (delta: -341.0MB). Peak memory consumption was 246.1MB. Max. memory is 16.1GB. [2024-11-28 03:18:09,252 INFO L158 Benchmark]: Witness Printer took 144.97ms. Allocated memory is still 696.3MB. Free memory was 397.1MB in the beginning and 388.7MB in the end (delta: 8.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:18:09,255 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.6MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 926.71ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 58.7MB in the end (delta: 30.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.74ms. Allocated memory is still 117.4MB. Free memory was 58.7MB in the beginning and 56.3MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 123.36ms. Allocated memory is still 117.4MB. Free memory was 56.3MB in the beginning and 53.0MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1453.92ms. Allocated memory is still 117.4MB. Free memory was 52.7MB in the beginning and 56.4MB in the end (delta: -3.7MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * TraceAbstraction took 76955.26ms. Allocated memory was 117.4MB in the beginning and 696.3MB in the end (delta: 578.8MB). Free memory was 56.1MB in the beginning and 397.1MB in the end (delta: -341.0MB). Peak memory consumption was 246.1MB. Max. memory is 16.1GB. * Witness Printer took 144.97ms. Allocated memory is still 696.3MB. Free memory was 397.1MB in the beginning and 388.7MB in the end (delta: 8.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3905]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3905]: 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, 48 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: 76.8s, OverallIterations: 38, TraceHistogramMax: 1, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 47.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3711 SdHoareTripleChecker+Valid, 20.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3504 mSDsluCounter, 3593 SdHoareTripleChecker+Invalid, 17.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3484 mSDsCounter, 585 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16109 IncrementalHoareTripleChecker+Invalid, 16694 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 585 mSolverCounterUnsat, 109 mSDtfsCounter, 16109 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 691 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 651 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1914 ImplicationChecksByTransitivity, 15.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3199occurred in iteration=23, InterpolantAutomatonStates: 603, 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, 0.6s SatisfiabilityAnalysisTime, 27.0s InterpolantComputationTime, 559 NumberOfCodeBlocks, 559 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 521 ConstructedInterpolants, 0 QuantifiedInterpolants, 7082 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 03:18:09,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e85185db-3878-489f-a3a4-c179c14a3647/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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