./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b5ab1d-e240-45b0-8a23-65ecfe044b2b/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b5ab1d-e240-45b0-8a23-65ecfe044b2b/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b5ab1d-e240-45b0-8a23-65ecfe044b2b/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b5ab1d-e240-45b0-8a23-65ecfe044b2b/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b5ab1d-e240-45b0-8a23-65ecfe044b2b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b5ab1d-e240-45b0-8a23-65ecfe044b2b/bin/uautomizer-verify-LYvppIcaGC --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 0b03aab73b78beaf1bb7c49b9c847245bb2e0f74d5ca4021b62d8afb0b1e5702 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:54:08,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:54:08,491 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b5ab1d-e240-45b0-8a23-65ecfe044b2b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-23 23:54:08,498 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:54:08,498 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:54:08,530 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:54:08,531 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:54:08,532 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:54:08,536 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:54:08,537 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:54:08,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:54:08,537 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:54:08,537 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:54:08,537 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:54:08,537 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:54:08,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:54:08,538 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:54:08,538 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:54:08,538 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:54:08,538 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:54:08,538 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:54:08,538 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:54:08,538 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:54:08,539 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:54:08,539 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 23:54:08,539 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 23:54:08,539 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:54:08,539 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:54:08,539 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:54:08,539 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:54:08,539 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:54:08,539 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:54:08,540 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:54:08,540 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:54:08,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:54:08,540 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:54:08,544 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:54:08,544 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:54:08,545 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:54:08,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:54:08,545 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:54:08,545 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:54:08,545 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:54:08,545 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:54:08,546 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:54:08,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:54:08,546 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:54:08,546 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:54:08,546 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:54:08,546 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:54:08,546 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_27b5ab1d-e240-45b0-8a23-65ecfe044b2b/bin/uautomizer-verify-LYvppIcaGC 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 -> 0b03aab73b78beaf1bb7c49b9c847245bb2e0f74d5ca4021b62d8afb0b1e5702 [2024-11-23 23:54:08,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:54:08,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:54:08,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:54:08,925 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:54:08,925 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:54:08,928 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b5ab1d-e240-45b0-8a23-65ecfe044b2b/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2024-11-23 23:54:12,278 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b5ab1d-e240-45b0-8a23-65ecfe044b2b/bin/uautomizer-verify-LYvppIcaGC/data/9d1280989/a2b5c95f98474972a4d1c7060bfe9ece/FLAG0a57ddd68 [2024-11-23 23:54:12,745 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:54:12,748 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b5ab1d-e240-45b0-8a23-65ecfe044b2b/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2024-11-23 23:54:12,797 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b5ab1d-e240-45b0-8a23-65ecfe044b2b/bin/uautomizer-verify-LYvppIcaGC/data/9d1280989/a2b5c95f98474972a4d1c7060bfe9ece/FLAG0a57ddd68 [2024-11-23 23:54:12,813 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b5ab1d-e240-45b0-8a23-65ecfe044b2b/bin/uautomizer-verify-LYvppIcaGC/data/9d1280989/a2b5c95f98474972a4d1c7060bfe9ece [2024-11-23 23:54:12,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:54:12,817 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:54:12,819 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:54:12,819 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:54:12,824 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:54:12,825 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:54:12" (1/1) ... [2024-11-23 23:54:12,826 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77149367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:12, skipping insertion in model container [2024-11-23 23:54:12,827 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:54:12" (1/1) ... [2024-11-23 23:54:12,888 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:54:13,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:54:13,414 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:54:13,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:54:13,586 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:54:13,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:13 WrapperNode [2024-11-23 23:54:13,589 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:54:13,590 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:54:13,590 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:54:13,590 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:54:13,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:13" (1/1) ... [2024-11-23 23:54:13,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:13" (1/1) ... [2024-11-23 23:54:13,660 INFO L138 Inliner]: procedures = 246, calls = 44, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 145 [2024-11-23 23:54:13,661 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:54:13,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:54:13,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:54:13,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:54:13,669 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:13" (1/1) ... [2024-11-23 23:54:13,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:13" (1/1) ... [2024-11-23 23:54:13,674 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:13" (1/1) ... [2024-11-23 23:54:13,693 INFO L175 MemorySlicer]: Split 17 memory accesses to 3 slices as follows [2, 13, 2]. 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, 6, 2]. [2024-11-23 23:54:13,694 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:13" (1/1) ... [2024-11-23 23:54:13,694 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:13" (1/1) ... [2024-11-23 23:54:13,709 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:13" (1/1) ... [2024-11-23 23:54:13,710 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:13" (1/1) ... [2024-11-23 23:54:13,713 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:13" (1/1) ... [2024-11-23 23:54:13,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:13" (1/1) ... [2024-11-23 23:54:13,719 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:13" (1/1) ... [2024-11-23 23:54:13,724 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:54:13,725 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:54:13,725 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:54:13,725 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:54:13,726 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:13" (1/1) ... [2024-11-23 23:54:13,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:54:13,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b5ab1d-e240-45b0-8a23-65ecfe044b2b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:54:13,775 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b5ab1d-e240-45b0-8a23-65ecfe044b2b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:54:13,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b5ab1d-e240-45b0-8a23-65ecfe044b2b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:54:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-23 23:54:13,819 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-23 23:54:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-23 23:54:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 23:54:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 23:54:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-23 23:54:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 23:54:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 23:54:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 23:54:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 23:54:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 23:54:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 23:54:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:54:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 23:54:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 23:54:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 23:54:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:54:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 23:54:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 23:54:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:54:13,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:54:13,825 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 23:54:14,231 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:54:14,234 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:54:14,632 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 23:54:14,632 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:54:14,958 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:54:14,960 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 23:54:14,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:54:14 BoogieIcfgContainer [2024-11-23 23:54:14,961 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:54:14,963 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:54:14,965 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:54:14,970 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:54:14,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:54:12" (1/3) ... [2024-11-23 23:54:14,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cf339fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:54:14, skipping insertion in model container [2024-11-23 23:54:14,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:13" (2/3) ... [2024-11-23 23:54:14,973 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cf339fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:54:14, skipping insertion in model container [2024-11-23 23:54:14,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:54:14" (3/3) ... [2024-11-23 23:54:14,976 INFO L128 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2024-11-23 23:54:15,000 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:54:15,002 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-3_2-container_of-global.i that has 2 procedures, 24 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-23 23:54:15,002 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 23:54:15,090 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-23 23:54:15,144 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 34 transitions, 82 flow [2024-11-23 23:54:15,190 INFO L124 PetriNetUnfolderBase]: 2/37 cut-off events. [2024-11-23 23:54:15,195 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-23 23:54:15,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 37 events. 2/37 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 72 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 21. Up to 3 conditions per place. [2024-11-23 23:54:15,200 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 34 transitions, 82 flow [2024-11-23 23:54:15,203 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 28 transitions, 65 flow [2024-11-23 23:54:15,215 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:54:15,231 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;@2d6d44c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:54:15,232 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-23 23:54:15,240 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 23:54:15,240 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events. [2024-11-23 23:54:15,240 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 23:54:15,240 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:54:15,241 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:54:15,241 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 23:54:15,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:54:15,247 INFO L85 PathProgramCache]: Analyzing trace with hash -504691518, now seen corresponding path program 1 times [2024-11-23 23:54:15,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:54:15,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223581863] [2024-11-23 23:54:15,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:54:15,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:54:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:54:16,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:54:16,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:54:16,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223581863] [2024-11-23 23:54:16,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223581863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:54:16,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:54:16,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:54:16,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8591781] [2024-11-23 23:54:16,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:54:16,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:54:16,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:54:16,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:54:16,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:54:16,392 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 23:54:16,395 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 28 transitions, 65 flow. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:16,396 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:54:16,396 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 23:54:16,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:54:17,097 INFO L124 PetriNetUnfolderBase]: 769/1310 cut-off events. [2024-11-23 23:54:17,098 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2024-11-23 23:54:17,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2642 conditions, 1310 events. 769/1310 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 6493 event pairs, 367 based on Foata normal form. 0/1090 useless extension candidates. Maximal degree in co-relation 2572. Up to 850 conditions per place. [2024-11-23 23:54:17,117 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 63 selfloop transitions, 20 changer transitions 2/86 dead transitions. [2024-11-23 23:54:17,117 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 86 transitions, 366 flow [2024-11-23 23:54:17,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 23:54:17,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-23 23:54:17,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 129 transitions. [2024-11-23 23:54:17,135 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.37941176470588234 [2024-11-23 23:54:17,137 INFO L175 Difference]: Start difference. First operand has 35 places, 28 transitions, 65 flow. Second operand 10 states and 129 transitions. [2024-11-23 23:54:17,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 86 transitions, 366 flow [2024-11-23 23:54:17,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 86 transitions, 355 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-23 23:54:17,152 INFO L231 Difference]: Finished difference. Result has 46 places, 48 transitions, 188 flow [2024-11-23 23:54:17,156 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=188, PETRI_PLACES=46, PETRI_TRANSITIONS=48} [2024-11-23 23:54:17,162 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 11 predicate places. [2024-11-23 23:54:17,162 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 48 transitions, 188 flow [2024-11-23 23:54:17,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:17,162 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:54:17,163 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:54:17,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 23:54:17,163 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 23:54:17,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:54:17,164 INFO L85 PathProgramCache]: Analyzing trace with hash -263510488, now seen corresponding path program 1 times [2024-11-23 23:54:17,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:54:17,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314712825] [2024-11-23 23:54:17,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:54:17,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:54:17,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:54:17,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:54:17,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:54:17,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314712825] [2024-11-23 23:54:17,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314712825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:54:17,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:54:17,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:54:17,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606246220] [2024-11-23 23:54:17,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:54:17,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:54:17,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:54:17,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:54:17,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:54:17,689 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 23:54:17,690 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 48 transitions, 188 flow. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:17,690 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:54:17,690 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 23:54:17,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:54:18,406 INFO L124 PetriNetUnfolderBase]: 899/1554 cut-off events. [2024-11-23 23:54:18,406 INFO L125 PetriNetUnfolderBase]: For 770/770 co-relation queries the response was YES. [2024-11-23 23:54:18,415 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3993 conditions, 1554 events. 899/1554 cut-off events. For 770/770 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 8185 event pairs, 569 based on Foata normal form. 0/1372 useless extension candidates. Maximal degree in co-relation 3585. Up to 1126 conditions per place. [2024-11-23 23:54:18,425 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 63 selfloop transitions, 26 changer transitions 4/94 dead transitions. [2024-11-23 23:54:18,426 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 94 transitions, 534 flow [2024-11-23 23:54:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 23:54:18,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-23 23:54:18,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 123 transitions. [2024-11-23 23:54:18,428 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.36176470588235293 [2024-11-23 23:54:18,428 INFO L175 Difference]: Start difference. First operand has 46 places, 48 transitions, 188 flow. Second operand 10 states and 123 transitions. [2024-11-23 23:54:18,428 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 94 transitions, 534 flow [2024-11-23 23:54:18,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 94 transitions, 532 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 23:54:18,442 INFO L231 Difference]: Finished difference. Result has 57 places, 62 transitions, 327 flow [2024-11-23 23:54:18,444 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=327, PETRI_PLACES=57, PETRI_TRANSITIONS=62} [2024-11-23 23:54:18,445 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 22 predicate places. [2024-11-23 23:54:18,445 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 62 transitions, 327 flow [2024-11-23 23:54:18,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:18,446 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:54:18,446 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:54:18,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:54:18,446 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 23:54:18,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:54:18,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1753387897, now seen corresponding path program 1 times [2024-11-23 23:54:18,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:54:18,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802268551] [2024-11-23 23:54:18,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:54:18,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:54:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:54:19,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:54:19,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:54:19,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802268551] [2024-11-23 23:54:19,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802268551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:54:19,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:54:19,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 23:54:19,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348663302] [2024-11-23 23:54:19,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:54:19,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:54:19,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:54:19,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:54:19,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:54:19,205 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 23:54:19,205 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 62 transitions, 327 flow. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:19,205 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:54:19,205 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 23:54:19,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:54:20,274 INFO L124 PetriNetUnfolderBase]: 1170/2023 cut-off events. [2024-11-23 23:54:20,274 INFO L125 PetriNetUnfolderBase]: For 1932/1943 co-relation queries the response was YES. [2024-11-23 23:54:20,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6072 conditions, 2023 events. 1170/2023 cut-off events. For 1932/1943 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 11433 event pairs, 391 based on Foata normal form. 69/1950 useless extension candidates. Maximal degree in co-relation 5974. Up to 1101 conditions per place. [2024-11-23 23:54:20,290 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 75 selfloop transitions, 49 changer transitions 7/132 dead transitions. [2024-11-23 23:54:20,290 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 132 transitions, 868 flow [2024-11-23 23:54:20,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-23 23:54:20,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-23 23:54:20,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 186 transitions. [2024-11-23 23:54:20,295 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.34191176470588236 [2024-11-23 23:54:20,295 INFO L175 Difference]: Start difference. First operand has 57 places, 62 transitions, 327 flow. Second operand 16 states and 186 transitions. [2024-11-23 23:54:20,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 132 transitions, 868 flow [2024-11-23 23:54:20,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 132 transitions, 866 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 23:54:20,314 INFO L231 Difference]: Finished difference. Result has 75 places, 78 transitions, 566 flow [2024-11-23 23:54:20,315 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=325, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=566, PETRI_PLACES=75, PETRI_TRANSITIONS=78} [2024-11-23 23:54:20,317 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 40 predicate places. [2024-11-23 23:54:20,317 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 78 transitions, 566 flow [2024-11-23 23:54:20,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:20,317 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:54:20,317 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:54:20,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:54:20,318 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 23:54:20,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:54:20,319 INFO L85 PathProgramCache]: Analyzing trace with hash -37422999, now seen corresponding path program 1 times [2024-11-23 23:54:20,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:54:20,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954104833] [2024-11-23 23:54:20,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:54:20,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:54:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:54:21,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:54:21,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:54:21,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954104833] [2024-11-23 23:54:21,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954104833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:54:21,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:54:21,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:54:21,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92957384] [2024-11-23 23:54:21,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:54:21,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:54:21,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:54:21,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:54:21,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:54:21,075 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 23:54:21,075 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 78 transitions, 566 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:21,075 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:54:21,076 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 23:54:21,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:54:22,132 INFO L124 PetriNetUnfolderBase]: 1249/2202 cut-off events. [2024-11-23 23:54:22,133 INFO L125 PetriNetUnfolderBase]: For 4339/4350 co-relation queries the response was YES. [2024-11-23 23:54:22,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7873 conditions, 2202 events. 1249/2202 cut-off events. For 4339/4350 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 13017 event pairs, 607 based on Foata normal form. 45/2097 useless extension candidates. Maximal degree in co-relation 7761. Up to 1287 conditions per place. [2024-11-23 23:54:22,151 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 77 selfloop transitions, 41 changer transitions 5/124 dead transitions. [2024-11-23 23:54:22,151 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 124 transitions, 1019 flow [2024-11-23 23:54:22,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 23:54:22,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-23 23:54:22,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 153 transitions. [2024-11-23 23:54:22,154 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.375 [2024-11-23 23:54:22,154 INFO L175 Difference]: Start difference. First operand has 75 places, 78 transitions, 566 flow. Second operand 12 states and 153 transitions. [2024-11-23 23:54:22,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 124 transitions, 1019 flow [2024-11-23 23:54:22,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 124 transitions, 915 flow, removed 11 selfloop flow, removed 11 redundant places. [2024-11-23 23:54:22,176 INFO L231 Difference]: Finished difference. Result has 78 places, 82 transitions, 611 flow [2024-11-23 23:54:22,176 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=473, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=611, PETRI_PLACES=78, PETRI_TRANSITIONS=82} [2024-11-23 23:54:22,177 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 43 predicate places. [2024-11-23 23:54:22,177 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 82 transitions, 611 flow [2024-11-23 23:54:22,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:22,178 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:54:22,178 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:54:22,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:54:22,178 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 23:54:22,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:54:22,179 INFO L85 PathProgramCache]: Analyzing trace with hash -32060395, now seen corresponding path program 2 times [2024-11-23 23:54:22,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:54:22,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193027191] [2024-11-23 23:54:22,179 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 23:54:22,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:54:22,210 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 23:54:22,210 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:54:22,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:54:22,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:54:22,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193027191] [2024-11-23 23:54:22,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193027191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:54:22,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:54:22,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:54:22,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196776150] [2024-11-23 23:54:22,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:54:22,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:54:22,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:54:22,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:54:22,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:54:22,747 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 23:54:22,747 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 82 transitions, 611 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:22,747 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:54:22,747 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 23:54:22,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:54:24,062 INFO L124 PetriNetUnfolderBase]: 1484/2586 cut-off events. [2024-11-23 23:54:24,062 INFO L125 PetriNetUnfolderBase]: For 5673/5677 co-relation queries the response was YES. [2024-11-23 23:54:24,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9719 conditions, 2586 events. 1484/2586 cut-off events. For 5673/5677 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 15557 event pairs, 554 based on Foata normal form. 62/2472 useless extension candidates. Maximal degree in co-relation 9602. Up to 1326 conditions per place. [2024-11-23 23:54:24,084 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 88 selfloop transitions, 69 changer transitions 8/166 dead transitions. [2024-11-23 23:54:24,085 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 166 transitions, 1438 flow [2024-11-23 23:54:24,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 23:54:24,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-23 23:54:24,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 209 transitions. [2024-11-23 23:54:24,088 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3415032679738562 [2024-11-23 23:54:24,088 INFO L175 Difference]: Start difference. First operand has 78 places, 82 transitions, 611 flow. Second operand 18 states and 209 transitions. [2024-11-23 23:54:24,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 166 transitions, 1438 flow [2024-11-23 23:54:24,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 166 transitions, 1358 flow, removed 2 selfloop flow, removed 7 redundant places. [2024-11-23 23:54:24,124 INFO L231 Difference]: Finished difference. Result has 94 places, 105 transitions, 982 flow [2024-11-23 23:54:24,124 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=550, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=982, PETRI_PLACES=94, PETRI_TRANSITIONS=105} [2024-11-23 23:54:24,125 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 59 predicate places. [2024-11-23 23:54:24,125 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 105 transitions, 982 flow [2024-11-23 23:54:24,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:24,126 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:54:24,126 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:54:24,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:54:24,126 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 23:54:24,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:54:24,127 INFO L85 PathProgramCache]: Analyzing trace with hash -31858809, now seen corresponding path program 2 times [2024-11-23 23:54:24,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:54:24,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290742571] [2024-11-23 23:54:24,129 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 23:54:24,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:54:24,169 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 23:54:24,169 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:54:24,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:54:24,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:54:24,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290742571] [2024-11-23 23:54:24,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290742571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:54:24,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:54:24,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:54:24,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087161475] [2024-11-23 23:54:24,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:54:24,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:54:24,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:54:24,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:54:24,646 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:54:24,646 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 23:54:24,647 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 105 transitions, 982 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:24,647 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:54:24,647 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 23:54:24,647 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:54:26,024 INFO L124 PetriNetUnfolderBase]: 1588/2831 cut-off events. [2024-11-23 23:54:26,024 INFO L125 PetriNetUnfolderBase]: For 10646/10654 co-relation queries the response was YES. [2024-11-23 23:54:26,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12005 conditions, 2831 events. 1588/2831 cut-off events. For 10646/10654 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 17827 event pairs, 844 based on Foata normal form. 60/2711 useless extension candidates. Maximal degree in co-relation 11878. Up to 1496 conditions per place. [2024-11-23 23:54:26,052 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 83 selfloop transitions, 63 changer transitions 6/153 dead transitions. [2024-11-23 23:54:26,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 153 transitions, 1534 flow [2024-11-23 23:54:26,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 23:54:26,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-23 23:54:26,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 170 transitions. [2024-11-23 23:54:26,054 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.35714285714285715 [2024-11-23 23:54:26,054 INFO L175 Difference]: Start difference. First operand has 94 places, 105 transitions, 982 flow. Second operand 14 states and 170 transitions. [2024-11-23 23:54:26,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 153 transitions, 1534 flow [2024-11-23 23:54:26,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 153 transitions, 1455 flow, removed 10 selfloop flow, removed 8 redundant places. [2024-11-23 23:54:26,091 INFO L231 Difference]: Finished difference. Result has 102 places, 108 transitions, 1120 flow [2024-11-23 23:54:26,091 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=912, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1120, PETRI_PLACES=102, PETRI_TRANSITIONS=108} [2024-11-23 23:54:26,092 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 67 predicate places. [2024-11-23 23:54:26,092 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 108 transitions, 1120 flow [2024-11-23 23:54:26,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:26,092 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:54:26,092 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:54:26,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 23:54:26,093 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 23:54:26,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:54:26,093 INFO L85 PathProgramCache]: Analyzing trace with hash 162080601, now seen corresponding path program 3 times [2024-11-23 23:54:26,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:54:26,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243897826] [2024-11-23 23:54:26,093 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 23:54:26,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:54:26,124 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-23 23:54:26,124 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:54:26,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:54:26,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:54:26,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243897826] [2024-11-23 23:54:26,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243897826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:54:26,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:54:26,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:54:26,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395071102] [2024-11-23 23:54:26,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:54:26,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:54:26,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:54:26,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:54:26,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:54:26,721 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 23:54:26,721 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 108 transitions, 1120 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:26,721 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:54:26,721 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 23:54:26,721 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:54:28,118 INFO L124 PetriNetUnfolderBase]: 1493/2680 cut-off events. [2024-11-23 23:54:28,119 INFO L125 PetriNetUnfolderBase]: For 11532/11534 co-relation queries the response was YES. [2024-11-23 23:54:28,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11869 conditions, 2680 events. 1493/2680 cut-off events. For 11532/11534 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 16891 event pairs, 629 based on Foata normal form. 56/2578 useless extension candidates. Maximal degree in co-relation 11735. Up to 1611 conditions per place. [2024-11-23 23:54:28,146 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 109 selfloop transitions, 74 changer transitions 5/189 dead transitions. [2024-11-23 23:54:28,146 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 189 transitions, 2070 flow [2024-11-23 23:54:28,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 23:54:28,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-23 23:54:28,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 211 transitions. [2024-11-23 23:54:28,148 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.34477124183006536 [2024-11-23 23:54:28,149 INFO L175 Difference]: Start difference. First operand has 102 places, 108 transitions, 1120 flow. Second operand 18 states and 211 transitions. [2024-11-23 23:54:28,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 189 transitions, 2070 flow [2024-11-23 23:54:28,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 189 transitions, 1953 flow, removed 4 selfloop flow, removed 11 redundant places. [2024-11-23 23:54:28,193 INFO L231 Difference]: Finished difference. Result has 113 places, 127 transitions, 1472 flow [2024-11-23 23:54:28,193 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1010, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=1472, PETRI_PLACES=113, PETRI_TRANSITIONS=127} [2024-11-23 23:54:28,194 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 78 predicate places. [2024-11-23 23:54:28,194 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 127 transitions, 1472 flow [2024-11-23 23:54:28,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:28,195 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:54:28,195 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:54:28,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 23:54:28,195 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 23:54:28,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:54:28,196 INFO L85 PathProgramCache]: Analyzing trace with hash 162080825, now seen corresponding path program 3 times [2024-11-23 23:54:28,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:54:28,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809222453] [2024-11-23 23:54:28,196 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 23:54:28,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:54:28,224 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-23 23:54:28,225 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:54:28,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:54:28,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:54:28,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809222453] [2024-11-23 23:54:28,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809222453] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:54:28,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:54:28,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:54:28,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262983354] [2024-11-23 23:54:28,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:54:28,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:54:28,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:54:28,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:54:28,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:54:28,679 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 23:54:28,680 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 127 transitions, 1472 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:28,680 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:54:28,680 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 23:54:28,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:54:29,835 INFO L124 PetriNetUnfolderBase]: 1527/2802 cut-off events. [2024-11-23 23:54:29,836 INFO L125 PetriNetUnfolderBase]: For 15258/15275 co-relation queries the response was YES. [2024-11-23 23:54:29,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13154 conditions, 2802 events. 1527/2802 cut-off events. For 15258/15275 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 18241 event pairs, 920 based on Foata normal form. 68/2718 useless extension candidates. Maximal degree in co-relation 12268. Up to 1802 conditions per place. [2024-11-23 23:54:29,867 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 109 selfloop transitions, 60 changer transitions 10/180 dead transitions. [2024-11-23 23:54:29,867 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 180 transitions, 2200 flow [2024-11-23 23:54:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-23 23:54:29,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-23 23:54:29,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 169 transitions. [2024-11-23 23:54:29,874 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3550420168067227 [2024-11-23 23:54:29,874 INFO L175 Difference]: Start difference. First operand has 113 places, 127 transitions, 1472 flow. Second operand 14 states and 169 transitions. [2024-11-23 23:54:29,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 180 transitions, 2200 flow [2024-11-23 23:54:29,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 180 transitions, 2065 flow, removed 19 selfloop flow, removed 12 redundant places. [2024-11-23 23:54:29,932 INFO L231 Difference]: Finished difference. Result has 117 places, 132 transitions, 1579 flow [2024-11-23 23:54:29,933 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1356, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1579, PETRI_PLACES=117, PETRI_TRANSITIONS=132} [2024-11-23 23:54:29,935 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 82 predicate places. [2024-11-23 23:54:29,936 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 132 transitions, 1579 flow [2024-11-23 23:54:29,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:29,937 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:54:29,937 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:54:29,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 23:54:29,937 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 23:54:29,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:54:29,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1115384781, now seen corresponding path program 1 times [2024-11-23 23:54:29,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:54:29,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16750878] [2024-11-23 23:54:29,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:54:29,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:54:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:54:30,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:54:30,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:54:30,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16750878] [2024-11-23 23:54:30,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16750878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:54:30,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:54:30,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:54:30,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190598044] [2024-11-23 23:54:30,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:54:30,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:54:30,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:54:30,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:54:30,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:54:30,044 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 34 [2024-11-23 23:54:30,045 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 132 transitions, 1579 flow. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:30,045 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:54:30,045 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 34 [2024-11-23 23:54:30,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:54:30,477 INFO L124 PetriNetUnfolderBase]: 756/1427 cut-off events. [2024-11-23 23:54:30,477 INFO L125 PetriNetUnfolderBase]: For 8242/8242 co-relation queries the response was YES. [2024-11-23 23:54:30,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6524 conditions, 1427 events. 756/1427 cut-off events. For 8242/8242 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 8732 event pairs, 56 based on Foata normal form. 0/1355 useless extension candidates. Maximal degree in co-relation 5889. Up to 834 conditions per place. [2024-11-23 23:54:30,492 INFO L140 encePairwiseOnDemand]: 31/34 looper letters, 207 selfloop transitions, 7 changer transitions 6/220 dead transitions. [2024-11-23 23:54:30,492 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 220 transitions, 3102 flow [2024-11-23 23:54:30,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:54:30,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-23 23:54:30,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 66 transitions. [2024-11-23 23:54:30,494 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4852941176470588 [2024-11-23 23:54:30,494 INFO L175 Difference]: Start difference. First operand has 117 places, 132 transitions, 1579 flow. Second operand 4 states and 66 transitions. [2024-11-23 23:54:30,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 220 transitions, 3102 flow [2024-11-23 23:54:30,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 220 transitions, 2967 flow, removed 15 selfloop flow, removed 8 redundant places. [2024-11-23 23:54:30,528 INFO L231 Difference]: Finished difference. Result has 109 places, 92 transitions, 978 flow [2024-11-23 23:54:30,529 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=990, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=978, PETRI_PLACES=109, PETRI_TRANSITIONS=92} [2024-11-23 23:54:30,530 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 74 predicate places. [2024-11-23 23:54:30,531 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 92 transitions, 978 flow [2024-11-23 23:54:30,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:30,532 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:54:30,532 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:54:30,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 23:54:30,532 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 23:54:30,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:54:30,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1524550870, now seen corresponding path program 1 times [2024-11-23 23:54:30,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:54:30,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795880734] [2024-11-23 23:54:30,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:54:30,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:54:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:54:31,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:54:31,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:54:31,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795880734] [2024-11-23 23:54:31,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795880734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:54:31,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:54:31,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 23:54:31,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526147779] [2024-11-23 23:54:31,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:54:31,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:54:31,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:54:31,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:54:31,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:54:31,223 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 23:54:31,223 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 92 transitions, 978 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:31,223 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:54:31,223 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 23:54:31,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:54:31,904 INFO L124 PetriNetUnfolderBase]: 642/1225 cut-off events. [2024-11-23 23:54:31,904 INFO L125 PetriNetUnfolderBase]: For 6123/6123 co-relation queries the response was YES. [2024-11-23 23:54:31,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6119 conditions, 1225 events. 642/1225 cut-off events. For 6123/6123 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 6810 event pairs, 159 based on Foata normal form. 0/1145 useless extension candidates. Maximal degree in co-relation 5982. Up to 306 conditions per place. [2024-11-23 23:54:31,915 INFO L140 encePairwiseOnDemand]: 26/34 looper letters, 105 selfloop transitions, 37 changer transitions 0/142 dead transitions. [2024-11-23 23:54:31,915 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 142 transitions, 1501 flow [2024-11-23 23:54:31,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 23:54:31,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-23 23:54:31,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 134 transitions. [2024-11-23 23:54:31,917 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3582887700534759 [2024-11-23 23:54:31,917 INFO L175 Difference]: Start difference. First operand has 109 places, 92 transitions, 978 flow. Second operand 11 states and 134 transitions. [2024-11-23 23:54:31,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 142 transitions, 1501 flow [2024-11-23 23:54:31,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 142 transitions, 1464 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-23 23:54:31,956 INFO L231 Difference]: Finished difference. Result has 120 places, 94 transitions, 1086 flow [2024-11-23 23:54:31,956 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=968, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1086, PETRI_PLACES=120, PETRI_TRANSITIONS=94} [2024-11-23 23:54:31,957 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 85 predicate places. [2024-11-23 23:54:31,957 INFO L471 AbstractCegarLoop]: Abstraction has has 120 places, 94 transitions, 1086 flow [2024-11-23 23:54:31,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:31,958 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:54:31,958 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:54:31,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 23:54:31,958 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 23:54:31,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:54:31,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1749510291, now seen corresponding path program 1 times [2024-11-23 23:54:31,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:54:31,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412463183] [2024-11-23 23:54:31,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:54:31,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:54:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:54:32,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:54:32,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:54:32,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412463183] [2024-11-23 23:54:32,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412463183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:54:32,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:54:32,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 23:54:32,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770423502] [2024-11-23 23:54:32,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:54:32,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 23:54:32,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:54:32,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 23:54:32,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:54:32,628 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 23:54:32,629 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 94 transitions, 1086 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 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) [2024-11-23 23:54:32,629 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:54:32,629 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 23:54:32,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:54:33,937 INFO L124 PetriNetUnfolderBase]: 658/1253 cut-off events. [2024-11-23 23:54:33,937 INFO L125 PetriNetUnfolderBase]: For 8233/8233 co-relation queries the response was YES. [2024-11-23 23:54:33,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6381 conditions, 1253 events. 658/1253 cut-off events. For 8233/8233 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 7083 event pairs, 98 based on Foata normal form. 30/1243 useless extension candidates. Maximal degree in co-relation 6235. Up to 444 conditions per place. [2024-11-23 23:54:33,951 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 107 selfloop transitions, 67 changer transitions 22/196 dead transitions. [2024-11-23 23:54:33,951 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 196 transitions, 1961 flow [2024-11-23 23:54:33,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-23 23:54:33,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2024-11-23 23:54:33,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 272 transitions. [2024-11-23 23:54:33,956 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2857142857142857 [2024-11-23 23:54:33,956 INFO L175 Difference]: Start difference. First operand has 120 places, 94 transitions, 1086 flow. Second operand 28 states and 272 transitions. [2024-11-23 23:54:33,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 196 transitions, 1961 flow [2024-11-23 23:54:34,004 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 196 transitions, 1881 flow, removed 15 selfloop flow, removed 4 redundant places. [2024-11-23 23:54:34,007 INFO L231 Difference]: Finished difference. Result has 147 places, 101 transitions, 1264 flow [2024-11-23 23:54:34,008 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=996, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=1264, PETRI_PLACES=147, PETRI_TRANSITIONS=101} [2024-11-23 23:54:34,008 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 112 predicate places. [2024-11-23 23:54:34,009 INFO L471 AbstractCegarLoop]: Abstraction has has 147 places, 101 transitions, 1264 flow [2024-11-23 23:54:34,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 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) [2024-11-23 23:54:34,009 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:54:34,009 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:54:34,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 23:54:34,009 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 23:54:34,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:54:34,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1747636342, now seen corresponding path program 2 times [2024-11-23 23:54:34,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:54:34,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177821918] [2024-11-23 23:54:34,010 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 23:54:34,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:54:34,046 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 23:54:34,049 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:54:34,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:54:34,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:54:34,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177821918] [2024-11-23 23:54:34,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177821918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:54:34,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:54:34,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:54:34,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385968120] [2024-11-23 23:54:34,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:54:34,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:54:34,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:54:34,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:54:34,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:54:34,371 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 23:54:34,371 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 101 transitions, 1264 flow. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:34,373 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:54:34,373 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 23:54:34,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:54:34,923 INFO L124 PetriNetUnfolderBase]: 672/1289 cut-off events. [2024-11-23 23:54:34,923 INFO L125 PetriNetUnfolderBase]: For 9322/9322 co-relation queries the response was YES. [2024-11-23 23:54:34,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6653 conditions, 1289 events. 672/1289 cut-off events. For 9322/9322 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 7314 event pairs, 213 based on Foata normal form. 30/1263 useless extension candidates. Maximal degree in co-relation 6536. Up to 402 conditions per place. [2024-11-23 23:54:34,936 INFO L140 encePairwiseOnDemand]: 27/34 looper letters, 106 selfloop transitions, 23 changer transitions 14/143 dead transitions. [2024-11-23 23:54:34,936 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 143 transitions, 1760 flow [2024-11-23 23:54:34,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:54:34,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-23 23:54:34,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 116 transitions. [2024-11-23 23:54:34,939 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3790849673202614 [2024-11-23 23:54:34,939 INFO L175 Difference]: Start difference. First operand has 147 places, 101 transitions, 1264 flow. Second operand 9 states and 116 transitions. [2024-11-23 23:54:34,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 143 transitions, 1760 flow [2024-11-23 23:54:34,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 143 transitions, 1579 flow, removed 37 selfloop flow, removed 18 redundant places. [2024-11-23 23:54:34,997 INFO L231 Difference]: Finished difference. Result has 136 places, 91 transitions, 1044 flow [2024-11-23 23:54:34,998 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1097, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1044, PETRI_PLACES=136, PETRI_TRANSITIONS=91} [2024-11-23 23:54:35,000 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 101 predicate places. [2024-11-23 23:54:35,000 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 91 transitions, 1044 flow [2024-11-23 23:54:35,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:35,001 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:54:35,001 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:54:35,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 23:54:35,001 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 23:54:35,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:54:35,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1603530772, now seen corresponding path program 1 times [2024-11-23 23:54:35,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:54:35,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917494029] [2024-11-23 23:54:35,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:54:35,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:54:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:54:35,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:54:35,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:54:35,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917494029] [2024-11-23 23:54:35,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917494029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:54:35,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:54:35,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:54:35,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118854255] [2024-11-23 23:54:35,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:54:35,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:54:35,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:54:35,339 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:54:35,339 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:54:35,339 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 23:54:35,339 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 91 transitions, 1044 flow. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:35,339 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:54:35,339 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 23:54:35,339 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:54:35,908 INFO L124 PetriNetUnfolderBase]: 536/1035 cut-off events. [2024-11-23 23:54:35,908 INFO L125 PetriNetUnfolderBase]: For 6394/6394 co-relation queries the response was YES. [2024-11-23 23:54:35,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5178 conditions, 1035 events. 536/1035 cut-off events. For 6394/6394 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 5554 event pairs, 170 based on Foata normal form. 0/1011 useless extension candidates. Maximal degree in co-relation 5085. Up to 352 conditions per place. [2024-11-23 23:54:35,920 INFO L140 encePairwiseOnDemand]: 27/34 looper letters, 99 selfloop transitions, 22 changer transitions 0/121 dead transitions. [2024-11-23 23:54:35,920 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 121 transitions, 1401 flow [2024-11-23 23:54:35,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:54:35,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-23 23:54:35,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 102 transitions. [2024-11-23 23:54:35,922 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.375 [2024-11-23 23:54:35,922 INFO L175 Difference]: Start difference. First operand has 136 places, 91 transitions, 1044 flow. Second operand 8 states and 102 transitions. [2024-11-23 23:54:35,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 121 transitions, 1401 flow [2024-11-23 23:54:35,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 121 transitions, 1309 flow, removed 21 selfloop flow, removed 10 redundant places. [2024-11-23 23:54:35,962 INFO L231 Difference]: Finished difference. Result has 133 places, 93 transitions, 1049 flow [2024-11-23 23:54:35,963 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=960, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1049, PETRI_PLACES=133, PETRI_TRANSITIONS=93} [2024-11-23 23:54:35,964 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 98 predicate places. [2024-11-23 23:54:35,964 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 93 transitions, 1049 flow [2024-11-23 23:54:35,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:35,964 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:54:35,964 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:54:35,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 23:54:35,965 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 23:54:35,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:54:35,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1603530771, now seen corresponding path program 1 times [2024-11-23 23:54:35,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:54:35,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401891469] [2024-11-23 23:54:35,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:54:35,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:54:35,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:54:36,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:54:36,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:54:36,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401891469] [2024-11-23 23:54:36,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401891469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:54:36,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:54:36,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 23:54:36,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252514666] [2024-11-23 23:54:36,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:54:36,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 23:54:36,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:54:36,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 23:54:36,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:54:36,617 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 23:54:36,617 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 93 transitions, 1049 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 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) [2024-11-23 23:54:36,618 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:54:36,618 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 23:54:36,618 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:54:37,586 INFO L124 PetriNetUnfolderBase]: 560/1091 cut-off events. [2024-11-23 23:54:37,586 INFO L125 PetriNetUnfolderBase]: For 6910/6910 co-relation queries the response was YES. [2024-11-23 23:54:37,593 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5420 conditions, 1091 events. 560/1091 cut-off events. For 6910/6910 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 6033 event pairs, 177 based on Foata normal form. 32/1123 useless extension candidates. Maximal degree in co-relation 5327. Up to 368 conditions per place. [2024-11-23 23:54:37,598 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 80 selfloop transitions, 38 changer transitions 36/154 dead transitions. [2024-11-23 23:54:37,598 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 154 transitions, 1659 flow [2024-11-23 23:54:37,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-23 23:54:37,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-23 23:54:37,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 198 transitions. [2024-11-23 23:54:37,604 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2911764705882353 [2024-11-23 23:54:37,604 INFO L175 Difference]: Start difference. First operand has 133 places, 93 transitions, 1049 flow. Second operand 20 states and 198 transitions. [2024-11-23 23:54:37,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 154 transitions, 1659 flow [2024-11-23 23:54:37,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 154 transitions, 1621 flow, removed 3 selfloop flow, removed 3 redundant places. [2024-11-23 23:54:37,645 INFO L231 Difference]: Finished difference. Result has 151 places, 81 transitions, 955 flow [2024-11-23 23:54:37,646 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1002, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=955, PETRI_PLACES=151, PETRI_TRANSITIONS=81} [2024-11-23 23:54:37,647 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 116 predicate places. [2024-11-23 23:54:37,648 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 81 transitions, 955 flow [2024-11-23 23:54:37,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 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) [2024-11-23 23:54:37,648 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:54:37,648 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:54:37,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 23:54:37,649 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 23:54:37,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:54:37,649 INFO L85 PathProgramCache]: Analyzing trace with hash -551526517, now seen corresponding path program 2 times [2024-11-23 23:54:37,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:54:37,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090298568] [2024-11-23 23:54:37,649 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 23:54:37,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:54:37,682 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 23:54:37,682 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:54:38,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:54:38,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:54:38,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090298568] [2024-11-23 23:54:38,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090298568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:54:38,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:54:38,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 23:54:38,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669118623] [2024-11-23 23:54:38,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:54:38,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 23:54:38,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:54:38,216 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 23:54:38,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:54:38,216 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 23:54:38,216 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 81 transitions, 955 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:38,216 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:54:38,216 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 23:54:38,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:54:39,101 INFO L124 PetriNetUnfolderBase]: 427/830 cut-off events. [2024-11-23 23:54:39,102 INFO L125 PetriNetUnfolderBase]: For 5514/5514 co-relation queries the response was YES. [2024-11-23 23:54:39,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4323 conditions, 830 events. 427/830 cut-off events. For 5514/5514 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 4239 event pairs, 90 based on Foata normal form. 10/840 useless extension candidates. Maximal degree in co-relation 4245. Up to 326 conditions per place. [2024-11-23 23:54:39,110 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 50 selfloop transitions, 34 changer transitions 42/126 dead transitions. [2024-11-23 23:54:39,110 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 126 transitions, 1346 flow [2024-11-23 23:54:39,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-23 23:54:39,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-23 23:54:39,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 186 transitions. [2024-11-23 23:54:39,113 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2735294117647059 [2024-11-23 23:54:39,113 INFO L175 Difference]: Start difference. First operand has 151 places, 81 transitions, 955 flow. Second operand 20 states and 186 transitions. [2024-11-23 23:54:39,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 126 transitions, 1346 flow [2024-11-23 23:54:39,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 126 transitions, 1192 flow, removed 18 selfloop flow, removed 23 redundant places. [2024-11-23 23:54:39,139 INFO L231 Difference]: Finished difference. Result has 137 places, 64 transitions, 706 flow [2024-11-23 23:54:39,140 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=787, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=706, PETRI_PLACES=137, PETRI_TRANSITIONS=64} [2024-11-23 23:54:39,140 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 102 predicate places. [2024-11-23 23:54:39,140 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 64 transitions, 706 flow [2024-11-23 23:54:39,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:39,141 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:54:39,141 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:54:39,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 23:54:39,141 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 23:54:39,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:54:39,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1148334774, now seen corresponding path program 2 times [2024-11-23 23:54:39,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:54:39,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653054073] [2024-11-23 23:54:39,142 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 23:54:39,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:54:39,176 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 23:54:39,176 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:54:39,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:54:39,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:54:39,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653054073] [2024-11-23 23:54:39,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653054073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:54:39,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:54:39,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 23:54:39,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178818791] [2024-11-23 23:54:39,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:54:39,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:54:39,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:54:39,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:54:39,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:54:39,631 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 23:54:39,632 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 64 transitions, 706 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:39,632 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:54:39,632 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 23:54:39,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:54:40,180 INFO L124 PetriNetUnfolderBase]: 401/774 cut-off events. [2024-11-23 23:54:40,180 INFO L125 PetriNetUnfolderBase]: For 3732/3732 co-relation queries the response was YES. [2024-11-23 23:54:40,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3726 conditions, 774 events. 401/774 cut-off events. For 3732/3732 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3880 event pairs, 102 based on Foata normal form. 24/798 useless extension candidates. Maximal degree in co-relation 3678. Up to 334 conditions per place. [2024-11-23 23:54:40,187 INFO L140 encePairwiseOnDemand]: 25/34 looper letters, 67 selfloop transitions, 27 changer transitions 0/94 dead transitions. [2024-11-23 23:54:40,187 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 94 transitions, 1002 flow [2024-11-23 23:54:40,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:54:40,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-23 23:54:40,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 102 transitions. [2024-11-23 23:54:40,189 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3333333333333333 [2024-11-23 23:54:40,189 INFO L175 Difference]: Start difference. First operand has 137 places, 64 transitions, 706 flow. Second operand 9 states and 102 transitions. [2024-11-23 23:54:40,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 94 transitions, 1002 flow [2024-11-23 23:54:40,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 94 transitions, 887 flow, removed 10 selfloop flow, removed 20 redundant places. [2024-11-23 23:54:40,204 INFO L231 Difference]: Finished difference. Result has 110 places, 68 transitions, 708 flow [2024-11-23 23:54:40,204 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=598, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=708, PETRI_PLACES=110, PETRI_TRANSITIONS=68} [2024-11-23 23:54:40,204 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 75 predicate places. [2024-11-23 23:54:40,205 INFO L471 AbstractCegarLoop]: Abstraction has has 110 places, 68 transitions, 708 flow [2024-11-23 23:54:40,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:40,205 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:54:40,205 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:54:40,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-23 23:54:40,205 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 23:54:40,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:54:40,206 INFO L85 PathProgramCache]: Analyzing trace with hash 946928395, now seen corresponding path program 2 times [2024-11-23 23:54:40,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:54:40,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055381933] [2024-11-23 23:54:40,206 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 23:54:40,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:54:40,229 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 23:54:40,229 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:54:40,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:54:40,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:54:40,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055381933] [2024-11-23 23:54:40,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055381933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:54:40,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:54:40,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 23:54:40,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157274548] [2024-11-23 23:54:40,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:54:40,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 23:54:40,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:54:40,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 23:54:40,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:54:40,746 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 23:54:40,746 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 68 transitions, 708 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:40,746 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:54:40,746 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 23:54:40,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:54:41,516 INFO L124 PetriNetUnfolderBase]: 438/855 cut-off events. [2024-11-23 23:54:41,516 INFO L125 PetriNetUnfolderBase]: For 3179/3179 co-relation queries the response was YES. [2024-11-23 23:54:41,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4065 conditions, 855 events. 438/855 cut-off events. For 3179/3179 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 4506 event pairs, 94 based on Foata normal form. 24/879 useless extension candidates. Maximal degree in co-relation 4023. Up to 272 conditions per place. [2024-11-23 23:54:41,523 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 49 selfloop transitions, 30 changer transitions 35/114 dead transitions. [2024-11-23 23:54:41,523 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 114 transitions, 1172 flow [2024-11-23 23:54:41,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-23 23:54:41,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-23 23:54:41,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 160 transitions. [2024-11-23 23:54:41,525 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2768166089965398 [2024-11-23 23:54:41,525 INFO L175 Difference]: Start difference. First operand has 110 places, 68 transitions, 708 flow. Second operand 17 states and 160 transitions. [2024-11-23 23:54:41,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 114 transitions, 1172 flow [2024-11-23 23:54:41,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 114 transitions, 1157 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-11-23 23:54:41,542 INFO L231 Difference]: Finished difference. Result has 126 places, 59 transitions, 631 flow [2024-11-23 23:54:41,542 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=695, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=631, PETRI_PLACES=126, PETRI_TRANSITIONS=59} [2024-11-23 23:54:41,542 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 91 predicate places. [2024-11-23 23:54:41,543 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 59 transitions, 631 flow [2024-11-23 23:54:41,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:41,543 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:54:41,543 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:54:41,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-23 23:54:41,543 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 23:54:41,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:54:41,544 INFO L85 PathProgramCache]: Analyzing trace with hash -578285588, now seen corresponding path program 3 times [2024-11-23 23:54:41,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:54:41,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497146217] [2024-11-23 23:54:41,545 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 23:54:41,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:54:41,569 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-23 23:54:41,569 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:54:41,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:54:41,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:54:41,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497146217] [2024-11-23 23:54:41,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497146217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:54:41,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:54:41,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:54:41,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974956643] [2024-11-23 23:54:41,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:54:41,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:54:41,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:54:41,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:54:41,823 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:54:41,823 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 23:54:41,824 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 59 transitions, 631 flow. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:41,824 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:54:41,824 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 23:54:41,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:54:42,110 INFO L124 PetriNetUnfolderBase]: 270/545 cut-off events. [2024-11-23 23:54:42,110 INFO L125 PetriNetUnfolderBase]: For 2120/2120 co-relation queries the response was YES. [2024-11-23 23:54:42,112 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2586 conditions, 545 events. 270/545 cut-off events. For 2120/2120 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2599 event pairs, 34 based on Foata normal form. 30/575 useless extension candidates. Maximal degree in co-relation 2540. Up to 286 conditions per place. [2024-11-23 23:54:42,114 INFO L140 encePairwiseOnDemand]: 28/34 looper letters, 55 selfloop transitions, 14 changer transitions 6/75 dead transitions. [2024-11-23 23:54:42,114 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 75 transitions, 813 flow [2024-11-23 23:54:42,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:54:42,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-23 23:54:42,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 79 transitions. [2024-11-23 23:54:42,116 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3319327731092437 [2024-11-23 23:54:42,116 INFO L175 Difference]: Start difference. First operand has 126 places, 59 transitions, 631 flow. Second operand 7 states and 79 transitions. [2024-11-23 23:54:42,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 75 transitions, 813 flow [2024-11-23 23:54:42,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 75 transitions, 681 flow, removed 7 selfloop flow, removed 23 redundant places. [2024-11-23 23:54:42,125 INFO L231 Difference]: Finished difference. Result has 102 places, 51 transitions, 431 flow [2024-11-23 23:54:42,125 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=431, PETRI_PLACES=102, PETRI_TRANSITIONS=51} [2024-11-23 23:54:42,126 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 67 predicate places. [2024-11-23 23:54:42,126 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 51 transitions, 431 flow [2024-11-23 23:54:42,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:42,126 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:54:42,126 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:54:42,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-23 23:54:42,126 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 23:54:42,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:54:42,127 INFO L85 PathProgramCache]: Analyzing trace with hash -578285587, now seen corresponding path program 3 times [2024-11-23 23:54:42,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:54:42,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316836104] [2024-11-23 23:54:42,127 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 23:54:42,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:54:42,147 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-23 23:54:42,147 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:54:42,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:54:42,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:54:42,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316836104] [2024-11-23 23:54:42,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316836104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:54:42,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:54:42,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 23:54:42,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560318799] [2024-11-23 23:54:42,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:54:42,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 23:54:42,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:54:42,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 23:54:42,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:54:42,619 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 23:54:42,619 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 51 transitions, 431 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 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) [2024-11-23 23:54:42,619 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:54:42,619 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 23:54:42,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:54:43,226 INFO L124 PetriNetUnfolderBase]: 206/423 cut-off events. [2024-11-23 23:54:43,227 INFO L125 PetriNetUnfolderBase]: For 906/906 co-relation queries the response was YES. [2024-11-23 23:54:43,229 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1863 conditions, 423 events. 206/423 cut-off events. For 906/906 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1913 event pairs, 44 based on Foata normal form. 20/443 useless extension candidates. Maximal degree in co-relation 1842. Up to 222 conditions per place. [2024-11-23 23:54:43,230 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 30 selfloop transitions, 13 changer transitions 41/84 dead transitions. [2024-11-23 23:54:43,230 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 84 transitions, 709 flow [2024-11-23 23:54:43,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-23 23:54:43,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-23 23:54:43,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 149 transitions. [2024-11-23 23:54:43,232 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2434640522875817 [2024-11-23 23:54:43,233 INFO L175 Difference]: Start difference. First operand has 102 places, 51 transitions, 431 flow. Second operand 18 states and 149 transitions. [2024-11-23 23:54:43,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 84 transitions, 709 flow [2024-11-23 23:54:43,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 84 transitions, 657 flow, removed 6 selfloop flow, removed 9 redundant places. [2024-11-23 23:54:43,239 INFO L231 Difference]: Finished difference. Result has 100 places, 30 transitions, 206 flow [2024-11-23 23:54:43,240 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=206, PETRI_PLACES=100, PETRI_TRANSITIONS=30} [2024-11-23 23:54:43,240 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 65 predicate places. [2024-11-23 23:54:43,240 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 30 transitions, 206 flow [2024-11-23 23:54:43,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 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) [2024-11-23 23:54:43,241 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:54:43,241 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:54:43,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-23 23:54:43,241 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 23:54:43,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:54:43,241 INFO L85 PathProgramCache]: Analyzing trace with hash -321252907, now seen corresponding path program 3 times [2024-11-23 23:54:43,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:54:43,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751254638] [2024-11-23 23:54:43,241 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 23:54:43,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:54:43,270 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-23 23:54:43,270 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:54:43,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:54:43,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:54:43,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751254638] [2024-11-23 23:54:43,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751254638] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:54:43,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681837600] [2024-11-23 23:54:43,752 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 23:54:43,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:54:43,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b5ab1d-e240-45b0-8a23-65ecfe044b2b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:54:43,757 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b5ab1d-e240-45b0-8a23-65ecfe044b2b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:54:43,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b5ab1d-e240-45b0-8a23-65ecfe044b2b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:54:44,034 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-23 23:54:44,034 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:54:44,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-23 23:54:44,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:54:44,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-23 23:54:44,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-11-23 23:54:44,429 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:54:44,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 14 [2024-11-23 23:54:44,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-23 23:54:44,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:54:44,492 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:54:44,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:54:44,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1681837600] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:54:44,912 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:54:44,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 9] total 27 [2024-11-23 23:54:44,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807238900] [2024-11-23 23:54:44,912 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:54:44,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-23 23:54:44,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:54:44,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-23 23:54:44,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=642, Unknown=0, NotChecked=0, Total=756 [2024-11-23 23:54:44,914 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 23:54:44,914 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 30 transitions, 206 flow. Second operand has 28 states, 28 states have (on average 5.428571428571429) internal successors, (152), 28 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:44,914 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:54:44,914 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 23:54:44,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:54:46,397 INFO L124 PetriNetUnfolderBase]: 103/212 cut-off events. [2024-11-23 23:54:46,397 INFO L125 PetriNetUnfolderBase]: For 292/292 co-relation queries the response was YES. [2024-11-23 23:54:46,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 869 conditions, 212 events. 103/212 cut-off events. For 292/292 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 740 event pairs, 2 based on Foata normal form. 24/236 useless extension candidates. Maximal degree in co-relation 852. Up to 40 conditions per place. [2024-11-23 23:54:46,400 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 30 selfloop transitions, 24 changer transitions 25/79 dead transitions. [2024-11-23 23:54:46,400 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 79 transitions, 583 flow [2024-11-23 23:54:46,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-23 23:54:46,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2024-11-23 23:54:46,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 181 transitions. [2024-11-23 23:54:46,402 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.21294117647058824 [2024-11-23 23:54:46,402 INFO L175 Difference]: Start difference. First operand has 100 places, 30 transitions, 206 flow. Second operand 25 states and 181 transitions. [2024-11-23 23:54:46,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 79 transitions, 583 flow [2024-11-23 23:54:46,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 79 transitions, 474 flow, removed 13 selfloop flow, removed 22 redundant places. [2024-11-23 23:54:46,406 INFO L231 Difference]: Finished difference. Result has 75 places, 32 transitions, 185 flow [2024-11-23 23:54:46,407 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=185, PETRI_PLACES=75, PETRI_TRANSITIONS=32} [2024-11-23 23:54:46,407 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 40 predicate places. [2024-11-23 23:54:46,407 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 32 transitions, 185 flow [2024-11-23 23:54:46,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.428571428571429) internal successors, (152), 28 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:46,408 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:54:46,408 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:54:46,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b5ab1d-e240-45b0-8a23-65ecfe044b2b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-23 23:54:46,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b5ab1d-e240-45b0-8a23-65ecfe044b2b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:54:46,613 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-23 23:54:46,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:54:46,614 INFO L85 PathProgramCache]: Analyzing trace with hash -310528148, now seen corresponding path program 3 times [2024-11-23 23:54:46,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:54:46,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964316092] [2024-11-23 23:54:46,614 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 23:54:46,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:54:46,652 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-23 23:54:46,653 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:54:47,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:54:47,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:54:47,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964316092] [2024-11-23 23:54:47,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964316092] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:54:47,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031117756] [2024-11-23 23:54:47,218 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 23:54:47,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:54:47,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b5ab1d-e240-45b0-8a23-65ecfe044b2b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:54:47,220 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b5ab1d-e240-45b0-8a23-65ecfe044b2b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:54:47,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b5ab1d-e240-45b0-8a23-65ecfe044b2b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:54:47,417 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-23 23:54:47,417 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 23:54:47,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-23 23:54:47,422 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:54:47,438 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-23 23:54:47,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 1 [2024-11-23 23:54:47,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-23 23:54:47,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-11-23 23:54:47,745 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:54:47,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 14 [2024-11-23 23:54:47,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-23 23:54:47,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:54:47,809 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:54:48,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:54:48,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031117756] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:54:48,237 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 23:54:48,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 9] total 27 [2024-11-23 23:54:48,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781943826] [2024-11-23 23:54:48,238 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 23:54:48,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-23 23:54:48,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:54:48,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-23 23:54:48,239 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=630, Unknown=0, NotChecked=0, Total=756 [2024-11-23 23:54:48,240 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-23 23:54:48,240 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 32 transitions, 185 flow. Second operand has 28 states, 28 states have (on average 5.428571428571429) internal successors, (152), 28 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:48,240 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:54:48,240 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-23 23:54:48,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:54:48,941 INFO L124 PetriNetUnfolderBase]: 45/98 cut-off events. [2024-11-23 23:54:48,941 INFO L125 PetriNetUnfolderBase]: For 64/64 co-relation queries the response was YES. [2024-11-23 23:54:48,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 363 conditions, 98 events. 45/98 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 231 event pairs, 0 based on Foata normal form. 8/106 useless extension candidates. Maximal degree in co-relation 353. Up to 20 conditions per place. [2024-11-23 23:54:48,942 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 0 selfloop transitions, 0 changer transitions 47/47 dead transitions. [2024-11-23 23:54:48,942 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 47 transitions, 294 flow [2024-11-23 23:54:48,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-23 23:54:48,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-23 23:54:48,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 117 transitions. [2024-11-23 23:54:48,947 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.20242214532871972 [2024-11-23 23:54:48,947 INFO L175 Difference]: Start difference. First operand has 75 places, 32 transitions, 185 flow. Second operand 17 states and 117 transitions. [2024-11-23 23:54:48,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 47 transitions, 294 flow [2024-11-23 23:54:48,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 47 transitions, 242 flow, removed 9 selfloop flow, removed 13 redundant places. [2024-11-23 23:54:48,948 INFO L231 Difference]: Finished difference. Result has 62 places, 0 transitions, 0 flow [2024-11-23 23:54:48,948 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=0, PETRI_PLACES=62, PETRI_TRANSITIONS=0} [2024-11-23 23:54:48,949 INFO L279 CegarLoopForPetriNet]: 35 programPoint places, 27 predicate places. [2024-11-23 23:54:48,949 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 0 transitions, 0 flow [2024-11-23 23:54:48,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.428571428571429) internal successors, (152), 28 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:54:48,952 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2024-11-23 23:54:48,953 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2024-11-23 23:54:48,953 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-23 23:54:48,953 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-23 23:54:48,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-23 23:54:48,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-23 23:54:48,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-23 23:54:48,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-23 23:54:48,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b5ab1d-e240-45b0-8a23-65ecfe044b2b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 23:54:49,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b5ab1d-e240-45b0-8a23-65ecfe044b2b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:54:49,155 INFO L422 BasicCegarLoop]: Path program histogram: [3, 3, 3, 3, 3, 3, 1, 1, 1] [2024-11-23 23:54:49,160 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 23:54:49,160 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:54:49,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:54:49 BasicIcfg [2024-11-23 23:54:49,166 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:54:49,167 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:54:49,168 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:54:49,168 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:54:49,169 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:54:14" (3/4) ... [2024-11-23 23:54:49,171 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 23:54:49,175 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2024-11-23 23:54:49,186 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 120 nodes and edges [2024-11-23 23:54:49,186 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2024-11-23 23:54:49,187 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-23 23:54:49,187 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 23:54:49,304 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b5ab1d-e240-45b0-8a23-65ecfe044b2b/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:54:49,305 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b5ab1d-e240-45b0-8a23-65ecfe044b2b/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 23:54:49,305 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:54:49,306 INFO L158 Benchmark]: Toolchain (without parser) took 36488.63ms. Allocated memory was 117.4MB in the beginning and 478.2MB in the end (delta: 360.7MB). Free memory was 89.5MB in the beginning and 406.9MB in the end (delta: -317.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-23 23:54:49,307 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:54:49,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 770.63ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 58.4MB in the end (delta: 30.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 23:54:49,307 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.77ms. Allocated memory is still 117.4MB. Free memory was 58.4MB in the beginning and 56.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:54:49,308 INFO L158 Benchmark]: Boogie Preprocessor took 62.71ms. Allocated memory is still 117.4MB. Free memory was 56.0MB in the beginning and 52.7MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:54:49,309 INFO L158 Benchmark]: RCFGBuilder took 1235.97ms. Allocated memory is still 117.4MB. Free memory was 52.5MB in the beginning and 58.8MB in the end (delta: -6.3MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2024-11-23 23:54:49,309 INFO L158 Benchmark]: TraceAbstraction took 34202.82ms. Allocated memory was 117.4MB in the beginning and 478.2MB in the end (delta: 360.7MB). Free memory was 58.2MB in the beginning and 413.7MB in the end (delta: -355.5MB). Peak memory consumption was 279.2MB. Max. memory is 16.1GB. [2024-11-23 23:54:49,310 INFO L158 Benchmark]: Witness Printer took 138.08ms. Allocated memory is still 478.2MB. Free memory was 413.7MB in the beginning and 406.9MB in the end (delta: 6.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:54:49,312 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 770.63ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 58.4MB in the end (delta: 30.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.77ms. Allocated memory is still 117.4MB. Free memory was 58.4MB in the beginning and 56.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 62.71ms. Allocated memory is still 117.4MB. Free memory was 56.0MB in the beginning and 52.7MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1235.97ms. Allocated memory is still 117.4MB. Free memory was 52.5MB in the beginning and 58.8MB in the end (delta: -6.3MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * TraceAbstraction took 34202.82ms. Allocated memory was 117.4MB in the beginning and 478.2MB in the end (delta: 360.7MB). Free memory was 58.2MB in the beginning and 413.7MB in the end (delta: -355.5MB). Peak memory consumption was 279.2MB. Max. memory is 16.1GB. * Witness Printer took 138.08ms. Allocated memory is still 478.2MB. Free memory was 413.7MB in the beginning and 406.9MB in the end (delta: 6.8MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3914]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3914]: 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, 42 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: 34.0s, OverallIterations: 21, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 19.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1687 SdHoareTripleChecker+Valid, 8.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1686 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 7.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 296 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6668 IncrementalHoareTripleChecker+Invalid, 6964 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 296 mSolverCounterUnsat, 1 mSDtfsCounter, 6668 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 407 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 354 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1447 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1579occurred in iteration=8, InterpolantAutomatonStates: 305, 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, 0.5s SatisfiabilityAnalysisTime, 12.3s InterpolantComputationTime, 300 NumberOfCodeBlocks, 300 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 303 ConstructedInterpolants, 4 QuantifiedInterpolants, 3028 SizeOfPredicates, 24 NumberOfNonLiveVariables, 365 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 25 InterpolantComputations, 19 PerfectInterpolantSequences, 1/9 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! [2024-11-23 23:54:49,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b5ab1d-e240-45b0-8a23-65ecfe044b2b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE