./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b1b963-431c-443e-9975-345949c4e042/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b1b963-431c-443e-9975-345949c4e042/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b1b963-431c-443e-9975-345949c4e042/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b1b963-431c-443e-9975-345949c4e042/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b1b963-431c-443e-9975-345949c4e042/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b1b963-431c-443e-9975-345949c4e042/bin/uautomizer-verify-4GaUIPS5ZU --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 11cd6df53312b6388eb67fa3ddad4ddfe9675663ccf0a1507d8b60fd9abceccc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:58:05,531 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:58:05,601 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b1b963-431c-443e-9975-345949c4e042/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-31 21:58:05,607 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:58:05,608 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:58:05,646 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:58:05,647 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:58:05,648 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:58:05,648 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:58:05,649 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:58:05,649 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:58:05,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:58:05,650 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:58:05,651 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:58:05,651 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:58:05,652 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:58:05,652 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:58:05,653 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:58:05,653 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:58:05,654 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:58:05,654 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:58:05,658 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:58:05,658 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:58:05,659 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:58:05,659 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:58:05,659 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 21:58:05,660 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:58:05,660 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:58:05,660 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:58:05,660 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:58:05,661 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:58:05,661 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:58:05,661 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:58:05,662 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:58:05,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:58:05,662 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:58:05,662 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:58:05,665 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:58:05,666 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:58:05,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:58:05,667 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:58:05,668 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:58:05,668 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:58:05,669 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:58:05,669 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b1b963-431c-443e-9975-345949c4e042/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b1b963-431c-443e-9975-345949c4e042/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11cd6df53312b6388eb67fa3ddad4ddfe9675663ccf0a1507d8b60fd9abceccc [2024-10-31 21:58:05,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:58:06,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:58:06,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:58:06,020 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:58:06,021 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:58:06,023 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b1b963-431c-443e-9975-345949c4e042/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i Unable to find full path for "g++" [2024-10-31 21:58:08,103 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:58:08,388 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:58:08,390 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b1b963-431c-443e-9975-345949c4e042/sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2024-10-31 21:58:08,424 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b1b963-431c-443e-9975-345949c4e042/bin/uautomizer-verify-4GaUIPS5ZU/data/fb0c31983/68f288625b884eadb7eafa38d39996aa/FLAG8d89bf8b5 [2024-10-31 21:58:08,438 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b1b963-431c-443e-9975-345949c4e042/bin/uautomizer-verify-4GaUIPS5ZU/data/fb0c31983/68f288625b884eadb7eafa38d39996aa [2024-10-31 21:58:08,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:58:08,442 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:58:08,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:08,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:58:08,451 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:58:08,452 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:08" (1/1) ... [2024-10-31 21:58:08,453 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52dbdd21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:08, skipping insertion in model container [2024-10-31 21:58:08,453 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:58:08" (1/1) ... [2024-10-31 21:58:08,543 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:58:09,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:09,084 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:58:09,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:58:09,229 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:58:09,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:09 WrapperNode [2024-10-31 21:58:09,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:09,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:09,231 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:58:09,231 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:58:09,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:09" (1/1) ... [2024-10-31 21:58:09,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:09" (1/1) ... [2024-10-31 21:58:09,290 INFO L138 Inliner]: procedures = 248, calls = 56, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 154 [2024-10-31 21:58:09,293 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:58:09,294 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:58:09,294 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:58:09,294 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:58:09,306 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:09" (1/1) ... [2024-10-31 21:58:09,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:09" (1/1) ... [2024-10-31 21:58:09,311 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:09" (1/1) ... [2024-10-31 21:58:09,336 INFO L175 MemorySlicer]: Split 19 memory accesses to 3 slices as follows [2, 2, 15]. 79 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 10 writes are split as follows [0, 2, 8]. [2024-10-31 21:58:09,338 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:09" (1/1) ... [2024-10-31 21:58:09,338 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:09" (1/1) ... [2024-10-31 21:58:09,352 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:09" (1/1) ... [2024-10-31 21:58:09,360 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:09" (1/1) ... [2024-10-31 21:58:09,368 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:09" (1/1) ... [2024-10-31 21:58:09,371 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:09" (1/1) ... [2024-10-31 21:58:09,377 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:58:09,378 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:58:09,378 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:58:09,378 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:58:09,379 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:09" (1/1) ... [2024-10-31 21:58:09,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:58:09,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b1b963-431c-443e-9975-345949c4e042/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:58:09,429 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b1b963-431c-443e-9975-345949c4e042/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:58:09,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5b1b963-431c-443e-9975-345949c4e042/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:58:09,468 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-10-31 21:58:09,469 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-10-31 21:58:09,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-31 21:58:09,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 21:58:09,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:58:09,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-31 21:58:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-31 21:58:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 21:58:09,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 21:58:09,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 21:58:09,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 21:58:09,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 21:58:09,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 21:58:09,473 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-31 21:58:09,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:58:09,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 21:58:09,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 21:58:09,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 21:58:09,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 21:58:09,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 21:58:09,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 21:58:09,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:58:09,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:58:09,476 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 21:58:09,848 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:58:09,850 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:58:10,196 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 21:58:10,196 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:58:10,458 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:58:10,458 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 21:58:10,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:10 BoogieIcfgContainer [2024-10-31 21:58:10,458 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:58:10,461 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:58:10,461 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:58:10,465 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:58:10,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:58:08" (1/3) ... [2024-10-31 21:58:10,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b3c9001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:58:10, skipping insertion in model container [2024-10-31 21:58:10,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:09" (2/3) ... [2024-10-31 21:58:10,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b3c9001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:58:10, skipping insertion in model container [2024-10-31 21:58:10,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:58:10" (3/3) ... [2024-10-31 21:58:10,468 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2024-10-31 21:58:10,490 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:58:10,490 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-31 21:58:10,490 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 21:58:10,569 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-31 21:58:10,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 49 places, 45 transitions, 104 flow [2024-10-31 21:58:10,666 INFO L124 PetriNetUnfolderBase]: 2/48 cut-off events. [2024-10-31 21:58:10,667 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-31 21:58:10,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 48 events. 2/48 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 85 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 24. Up to 3 conditions per place. [2024-10-31 21:58:10,670 INFO L82 GeneralOperation]: Start removeDead. Operand has 49 places, 45 transitions, 104 flow [2024-10-31 21:58:10,674 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 46 places, 39 transitions, 87 flow [2024-10-31 21:58:10,686 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:58:10,692 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;@6e48befb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:58:10,692 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-31 21:58:10,700 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 21:58:10,700 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-10-31 21:58:10,701 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 21:58:10,701 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:58:10,701 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:10,702 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-31 21:58:10,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:10,707 INFO L85 PathProgramCache]: Analyzing trace with hash -18686460, now seen corresponding path program 1 times [2024-10-31 21:58:10,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:10,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003673011] [2024-10-31 21:58:10,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:10,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:12,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:12,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:12,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003673011] [2024-10-31 21:58:12,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003673011] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:12,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:12,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:58:12,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667860258] [2024-10-31 21:58:12,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:12,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:58:12,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:12,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:58:12,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:58:12,145 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-10-31 21:58:12,149 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 39 transitions, 87 flow. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:12,150 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:58:12,150 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-10-31 21:58:12,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:58:13,569 INFO L124 PetriNetUnfolderBase]: 2305/3802 cut-off events. [2024-10-31 21:58:13,569 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2024-10-31 21:58:13,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7572 conditions, 3802 events. 2305/3802 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 21412 event pairs, 1459 based on Foata normal form. 0/3314 useless extension candidates. Maximal degree in co-relation 7480. Up to 2586 conditions per place. [2024-10-31 21:58:13,602 INFO L140 encePairwiseOnDemand]: 35/45 looper letters, 74 selfloop transitions, 14 changer transitions 3/95 dead transitions. [2024-10-31 21:58:13,602 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 95 transitions, 396 flow [2024-10-31 21:58:13,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 21:58:13,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-31 21:58:13,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 151 transitions. [2024-10-31 21:58:13,617 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.41944444444444445 [2024-10-31 21:58:13,619 INFO L175 Difference]: Start difference. First operand has 46 places, 39 transitions, 87 flow. Second operand 8 states and 151 transitions. [2024-10-31 21:58:13,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 95 transitions, 396 flow [2024-10-31 21:58:13,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 95 transitions, 385 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-31 21:58:13,637 INFO L231 Difference]: Finished difference. Result has 55 places, 53 transitions, 181 flow [2024-10-31 21:58:13,639 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=181, PETRI_PLACES=55, PETRI_TRANSITIONS=53} [2024-10-31 21:58:13,645 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 9 predicate places. [2024-10-31 21:58:13,645 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 53 transitions, 181 flow [2024-10-31 21:58:13,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:13,646 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:58:13,646 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:13,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 21:58:13,647 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-31 21:58:13,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:13,648 INFO L85 PathProgramCache]: Analyzing trace with hash 2017334278, now seen corresponding path program 1 times [2024-10-31 21:58:13,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:13,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870885567] [2024-10-31 21:58:13,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:13,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:14,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:14,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:14,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870885567] [2024-10-31 21:58:14,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870885567] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:14,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:14,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:58:14,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470355936] [2024-10-31 21:58:14,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:14,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:58:14,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:14,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:58:14,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:58:14,256 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-10-31 21:58:14,256 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 53 transitions, 181 flow. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:14,256 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:58:14,257 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-10-31 21:58:14,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:58:15,341 INFO L124 PetriNetUnfolderBase]: 2865/4764 cut-off events. [2024-10-31 21:58:15,341 INFO L125 PetriNetUnfolderBase]: For 1135/1137 co-relation queries the response was YES. [2024-10-31 21:58:15,353 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10958 conditions, 4764 events. 2865/4764 cut-off events. For 1135/1137 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 28546 event pairs, 1875 based on Foata normal form. 2/4348 useless extension candidates. Maximal degree in co-relation 10013. Up to 3562 conditions per place. [2024-10-31 21:58:15,372 INFO L140 encePairwiseOnDemand]: 35/45 looper letters, 76 selfloop transitions, 18 changer transitions 5/103 dead transitions. [2024-10-31 21:58:15,373 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 103 transitions, 534 flow [2024-10-31 21:58:15,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 21:58:15,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-31 21:58:15,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 148 transitions. [2024-10-31 21:58:15,377 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4111111111111111 [2024-10-31 21:58:15,377 INFO L175 Difference]: Start difference. First operand has 55 places, 53 transitions, 181 flow. Second operand 8 states and 148 transitions. [2024-10-31 21:58:15,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 103 transitions, 534 flow [2024-10-31 21:58:15,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 103 transitions, 532 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 21:58:15,400 INFO L231 Difference]: Finished difference. Result has 66 places, 65 transitions, 307 flow [2024-10-31 21:58:15,401 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=307, PETRI_PLACES=66, PETRI_TRANSITIONS=65} [2024-10-31 21:58:15,402 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 20 predicate places. [2024-10-31 21:58:15,402 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 65 transitions, 307 flow [2024-10-31 21:58:15,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:15,403 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:58:15,404 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:15,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 21:58:15,405 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-31 21:58:15,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:15,406 INFO L85 PathProgramCache]: Analyzing trace with hash 2085034683, now seen corresponding path program 1 times [2024-10-31 21:58:15,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:15,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807984760] [2024-10-31 21:58:15,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:15,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:15,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:15,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:15,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807984760] [2024-10-31 21:58:15,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807984760] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:15,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:15,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 21:58:15,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954267293] [2024-10-31 21:58:15,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:15,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 21:58:15,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:15,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 21:58:15,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-31 21:58:15,967 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-10-31 21:58:15,968 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 65 transitions, 307 flow. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:15,968 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:58:15,968 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-10-31 21:58:15,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:58:17,283 INFO L124 PetriNetUnfolderBase]: 3338/5581 cut-off events. [2024-10-31 21:58:17,283 INFO L125 PetriNetUnfolderBase]: For 3282/3290 co-relation queries the response was YES. [2024-10-31 21:58:17,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14456 conditions, 5581 events. 3338/5581 cut-off events. For 3282/3290 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 34753 event pairs, 2168 based on Foata normal form. 85/5354 useless extension candidates. Maximal degree in co-relation 14322. Up to 3435 conditions per place. [2024-10-31 21:58:17,320 INFO L140 encePairwiseOnDemand]: 36/45 looper letters, 89 selfloop transitions, 19 changer transitions 3/115 dead transitions. [2024-10-31 21:58:17,320 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 115 transitions, 691 flow [2024-10-31 21:58:17,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 21:58:17,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-10-31 21:58:17,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 140 transitions. [2024-10-31 21:58:17,322 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4444444444444444 [2024-10-31 21:58:17,322 INFO L175 Difference]: Start difference. First operand has 66 places, 65 transitions, 307 flow. Second operand 7 states and 140 transitions. [2024-10-31 21:58:17,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 115 transitions, 691 flow [2024-10-31 21:58:17,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 115 transitions, 673 flow, removed 4 selfloop flow, removed 1 redundant places. [2024-10-31 21:58:17,352 INFO L231 Difference]: Finished difference. Result has 75 places, 77 transitions, 419 flow [2024-10-31 21:58:17,352 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=289, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=419, PETRI_PLACES=75, PETRI_TRANSITIONS=77} [2024-10-31 21:58:17,353 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 29 predicate places. [2024-10-31 21:58:17,353 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 77 transitions, 419 flow [2024-10-31 21:58:17,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:17,353 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:58:17,353 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:17,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 21:58:17,354 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-31 21:58:17,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:17,354 INFO L85 PathProgramCache]: Analyzing trace with hash 259224701, now seen corresponding path program 1 times [2024-10-31 21:58:17,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:17,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154037187] [2024-10-31 21:58:17,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:17,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:17,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:17,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:17,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154037187] [2024-10-31 21:58:17,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154037187] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:17,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:17,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 21:58:17,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583857700] [2024-10-31 21:58:17,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:17,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 21:58:17,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:17,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 21:58:17,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-31 21:58:17,881 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-10-31 21:58:17,881 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 77 transitions, 419 flow. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:17,883 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:58:17,883 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-10-31 21:58:17,883 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:58:19,716 INFO L124 PetriNetUnfolderBase]: 3799/6378 cut-off events. [2024-10-31 21:58:19,716 INFO L125 PetriNetUnfolderBase]: For 6305/6309 co-relation queries the response was YES. [2024-10-31 21:58:19,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18142 conditions, 6378 events. 3799/6378 cut-off events. For 6305/6309 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 41011 event pairs, 2513 based on Foata normal form. 84/6128 useless extension candidates. Maximal degree in co-relation 16728. Up to 4274 conditions per place. [2024-10-31 21:58:19,780 INFO L140 encePairwiseOnDemand]: 36/45 looper letters, 95 selfloop transitions, 22 changer transitions 5/126 dead transitions. [2024-10-31 21:58:19,781 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 126 transitions, 878 flow [2024-10-31 21:58:19,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 21:58:19,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-10-31 21:58:19,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 139 transitions. [2024-10-31 21:58:19,782 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.44126984126984126 [2024-10-31 21:58:19,783 INFO L175 Difference]: Start difference. First operand has 75 places, 77 transitions, 419 flow. Second operand 7 states and 139 transitions. [2024-10-31 21:58:19,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 126 transitions, 878 flow [2024-10-31 21:58:19,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 126 transitions, 852 flow, removed 12 selfloop flow, removed 1 redundant places. [2024-10-31 21:58:19,828 INFO L231 Difference]: Finished difference. Result has 84 places, 89 transitions, 571 flow [2024-10-31 21:58:19,828 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=407, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=571, PETRI_PLACES=84, PETRI_TRANSITIONS=89} [2024-10-31 21:58:19,829 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 38 predicate places. [2024-10-31 21:58:19,829 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 89 transitions, 571 flow [2024-10-31 21:58:19,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:19,830 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:58:19,830 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:19,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 21:58:19,830 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-31 21:58:19,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:19,831 INFO L85 PathProgramCache]: Analyzing trace with hash 195835628, now seen corresponding path program 1 times [2024-10-31 21:58:19,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:19,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826187950] [2024-10-31 21:58:19,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:19,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:19,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:20,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:20,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:20,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826187950] [2024-10-31 21:58:20,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826187950] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:20,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:20,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 21:58:20,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757943948] [2024-10-31 21:58:20,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:20,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 21:58:20,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:20,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 21:58:20,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 21:58:20,257 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-10-31 21:58:20,258 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 89 transitions, 571 flow. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:20,258 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:58:20,258 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-10-31 21:58:20,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:58:23,257 INFO L124 PetriNetUnfolderBase]: 6918/12313 cut-off events. [2024-10-31 21:58:23,257 INFO L125 PetriNetUnfolderBase]: For 13690/13701 co-relation queries the response was YES. [2024-10-31 21:58:23,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33815 conditions, 12313 events. 6918/12313 cut-off events. For 13690/13701 co-relation queries the response was YES. Maximal size of possible extension queue 597. Compared 95864 event pairs, 739 based on Foata normal form. 198/11958 useless extension candidates. Maximal degree in co-relation 33655. Up to 3356 conditions per place. [2024-10-31 21:58:23,368 INFO L140 encePairwiseOnDemand]: 32/45 looper letters, 193 selfloop transitions, 38 changer transitions 12/247 dead transitions. [2024-10-31 21:58:23,368 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 247 transitions, 1841 flow [2024-10-31 21:58:23,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-31 21:58:23,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-10-31 21:58:23,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 259 transitions. [2024-10-31 21:58:23,370 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5232323232323233 [2024-10-31 21:58:23,370 INFO L175 Difference]: Start difference. First operand has 84 places, 89 transitions, 571 flow. Second operand 11 states and 259 transitions. [2024-10-31 21:58:23,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 247 transitions, 1841 flow [2024-10-31 21:58:23,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 247 transitions, 1789 flow, removed 24 selfloop flow, removed 1 redundant places. [2024-10-31 21:58:23,451 INFO L231 Difference]: Finished difference. Result has 101 places, 117 transitions, 884 flow [2024-10-31 21:58:23,451 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=550, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=884, PETRI_PLACES=101, PETRI_TRANSITIONS=117} [2024-10-31 21:58:23,452 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 55 predicate places. [2024-10-31 21:58:23,452 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 117 transitions, 884 flow [2024-10-31 21:58:23,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:23,453 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:58:23,453 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:23,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 21:58:23,454 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-31 21:58:23,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:23,454 INFO L85 PathProgramCache]: Analyzing trace with hash -2060421204, now seen corresponding path program 2 times [2024-10-31 21:58:23,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:23,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754545209] [2024-10-31 21:58:23,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:23,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:23,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:23,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:23,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754545209] [2024-10-31 21:58:23,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754545209] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:23,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:23,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 21:58:23,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797155228] [2024-10-31 21:58:23,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:23,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 21:58:23,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:23,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 21:58:23,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 21:58:23,874 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-10-31 21:58:23,874 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 117 transitions, 884 flow. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:23,874 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:58:23,874 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-10-31 21:58:23,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:58:27,591 INFO L124 PetriNetUnfolderBase]: 9440/16841 cut-off events. [2024-10-31 21:58:27,592 INFO L125 PetriNetUnfolderBase]: For 51814/51855 co-relation queries the response was YES. [2024-10-31 21:58:27,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60451 conditions, 16841 events. 9440/16841 cut-off events. For 51814/51855 co-relation queries the response was YES. Maximal size of possible extension queue 851. Compared 138847 event pairs, 1198 based on Foata normal form. 305/16504 useless extension candidates. Maximal degree in co-relation 51511. Up to 4325 conditions per place. [2024-10-31 21:58:27,732 INFO L140 encePairwiseOnDemand]: 31/45 looper letters, 234 selfloop transitions, 122 changer transitions 24/384 dead transitions. [2024-10-31 21:58:27,732 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 384 transitions, 3423 flow [2024-10-31 21:58:27,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-31 21:58:27,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-10-31 21:58:27,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 401 transitions. [2024-10-31 21:58:27,735 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.49506172839506174 [2024-10-31 21:58:27,735 INFO L175 Difference]: Start difference. First operand has 101 places, 117 transitions, 884 flow. Second operand 18 states and 401 transitions. [2024-10-31 21:58:27,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 384 transitions, 3423 flow [2024-10-31 21:58:28,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 384 transitions, 3322 flow, removed 34 selfloop flow, removed 2 redundant places. [2024-10-31 21:58:28,496 INFO L231 Difference]: Finished difference. Result has 131 places, 219 transitions, 2233 flow [2024-10-31 21:58:28,497 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=855, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2233, PETRI_PLACES=131, PETRI_TRANSITIONS=219} [2024-10-31 21:58:28,498 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 85 predicate places. [2024-10-31 21:58:28,499 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 219 transitions, 2233 flow [2024-10-31 21:58:28,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:28,500 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:58:28,500 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:28,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 21:58:28,501 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-31 21:58:28,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:28,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1153900652, now seen corresponding path program 1 times [2024-10-31 21:58:28,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:28,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842782250] [2024-10-31 21:58:28,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:28,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:28,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:28,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:28,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842782250] [2024-10-31 21:58:28,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842782250] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:28,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:28,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 21:58:28,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600435311] [2024-10-31 21:58:28,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:28,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 21:58:28,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:28,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 21:58:28,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 21:58:28,865 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-10-31 21:58:28,865 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 219 transitions, 2233 flow. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:28,865 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:58:28,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-10-31 21:58:28,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 21:58:34,173 INFO L124 PetriNetUnfolderBase]: 11280/20499 cut-off events. [2024-10-31 21:58:34,174 INFO L125 PetriNetUnfolderBase]: For 116321/116362 co-relation queries the response was YES. [2024-10-31 21:58:34,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87258 conditions, 20499 events. 11280/20499 cut-off events. For 116321/116362 co-relation queries the response was YES. Maximal size of possible extension queue 1073. Compared 177672 event pairs, 1175 based on Foata normal form. 468/20290 useless extension candidates. Maximal degree in co-relation 81356. Up to 6650 conditions per place. [2024-10-31 21:58:34,449 INFO L140 encePairwiseOnDemand]: 32/45 looper letters, 330 selfloop transitions, 152 changer transitions 68/554 dead transitions. [2024-10-31 21:58:34,450 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 554 transitions, 6628 flow [2024-10-31 21:58:34,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-31 21:58:34,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-10-31 21:58:34,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 262 transitions. [2024-10-31 21:58:34,452 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5292929292929293 [2024-10-31 21:58:34,452 INFO L175 Difference]: Start difference. First operand has 131 places, 219 transitions, 2233 flow. Second operand 11 states and 262 transitions. [2024-10-31 21:58:34,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 554 transitions, 6628 flow [2024-10-31 21:58:37,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 554 transitions, 6308 flow, removed 159 selfloop flow, removed 1 redundant places. [2024-10-31 21:58:37,049 INFO L231 Difference]: Finished difference. Result has 148 places, 325 transitions, 3783 flow [2024-10-31 21:58:37,050 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=2057, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3783, PETRI_PLACES=148, PETRI_TRANSITIONS=325} [2024-10-31 21:58:37,050 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 102 predicate places. [2024-10-31 21:58:37,050 INFO L471 AbstractCegarLoop]: Abstraction has has 148 places, 325 transitions, 3783 flow [2024-10-31 21:58:37,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:37,051 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 21:58:37,051 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:58:37,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 21:58:37,051 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-10-31 21:58:37,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:58:37,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1938711532, now seen corresponding path program 2 times [2024-10-31 21:58:37,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:58:37,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887317555] [2024-10-31 21:58:37,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:58:37,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:58:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:58:37,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:58:37,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:58:37,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887317555] [2024-10-31 21:58:37,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887317555] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:58:37,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:58:37,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 21:58:37,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019357310] [2024-10-31 21:58:37,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:58:37,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 21:58:37,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:58:37,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 21:58:37,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 21:58:37,516 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 45 [2024-10-31 21:58:37,516 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 325 transitions, 3783 flow. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:58:37,516 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 21:58:37,517 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 45 [2024-10-31 21:58:37,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand