./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 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:54:35,469 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:54:35,553 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 13:54:35,558 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:54:35,559 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:54:35,581 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:54:35,583 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:54:35,583 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:54:35,584 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:54:35,585 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:54:35,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:54:35,586 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:54:35,586 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:54:35,586 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:54:35,589 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:54:35,589 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:54:35,589 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:54:35,589 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 13:54:35,590 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:54:35,590 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 13:54:35,590 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:54:35,590 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:54:35,590 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:54:35,591 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:54:35,591 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:54:35,591 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:54:35,591 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:54:35,591 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 13:54:35,592 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:54:35,592 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:54:35,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:54:35,592 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:54:35,592 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:54:35,592 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:54:35,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:54:35,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:54:35,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:54:35,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:54:35,593 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:54:35,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:54:35,594 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:54:35,596 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:54:35,596 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:54:35,596 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:54:35,597 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b03aab73b78beaf1bb7c49b9c847245bb2e0f74d5ca4021b62d8afb0b1e5702 [2024-11-19 13:54:35,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:54:35,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:54:35,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:54:35,851 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:54:35,851 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:54:35,852 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2024-11-19 13:54:37,304 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:54:37,681 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:54:37,681 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-3_2-container_of-global.i [2024-11-19 13:54:37,729 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ed01c396/18d92078792c4e4cb76fee746bbce0c9/FLAG26ba00c59 [2024-11-19 13:54:37,916 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ed01c396/18d92078792c4e4cb76fee746bbce0c9 [2024-11-19 13:54:37,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:54:37,920 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:54:37,922 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:54:37,923 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:54:37,928 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:54:37,929 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:54:37" (1/1) ... [2024-11-19 13:54:37,930 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18734e69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:37, skipping insertion in model container [2024-11-19 13:54:37,930 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:54:37" (1/1) ... [2024-11-19 13:54:38,005 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:54:38,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:54:38,425 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:54:38,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:54:38,528 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:54:38,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:38 WrapperNode [2024-11-19 13:54:38,532 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:54:38,533 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:54:38,533 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:54:38,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:54:38,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:38" (1/1) ... [2024-11-19 13:54:38,560 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:38" (1/1) ... [2024-11-19 13:54:38,592 INFO L138 Inliner]: procedures = 246, calls = 44, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 145 [2024-11-19 13:54:38,593 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:54:38,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:54:38,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:54:38,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:54:38,606 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:38" (1/1) ... [2024-11-19 13:54:38,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:38" (1/1) ... [2024-11-19 13:54:38,610 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:38" (1/1) ... [2024-11-19 13:54:38,637 INFO L175 MemorySlicer]: Split 17 memory accesses to 3 slices as follows [2, 2, 13]. 76 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 8 writes are split as follows [0, 2, 6]. [2024-11-19 13:54:38,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:38" (1/1) ... [2024-11-19 13:54:38,638 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:38" (1/1) ... [2024-11-19 13:54:38,656 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:38" (1/1) ... [2024-11-19 13:54:38,662 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:38" (1/1) ... [2024-11-19 13:54:38,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:38" (1/1) ... [2024-11-19 13:54:38,676 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:38" (1/1) ... [2024-11-19 13:54:38,684 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:54:38,685 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:54:38,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:54:38,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:54:38,690 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:38" (1/1) ... [2024-11-19 13:54:38,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:54:38,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:54:38,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 13:54:38,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 13:54:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-19 13:54:38,792 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-19 13:54:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-19 13:54:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 13:54:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 13:54:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-19 13:54:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 13:54:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 13:54:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 13:54:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 13:54:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 13:54:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 13:54:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:54:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 13:54:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 13:54:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 13:54:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 13:54:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 13:54:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 13:54:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:54:38,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:54:38,796 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 13:54:39,006 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:54:39,009 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:54:39,224 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 13:54:39,224 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:54:39,459 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:54:39,463 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:54:39,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:54:39 BoogieIcfgContainer [2024-11-19 13:54:39,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:54:39,466 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:54:39,466 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:54:39,468 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:54:39,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:54:37" (1/3) ... [2024-11-19 13:54:39,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b3f07f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:54:39, skipping insertion in model container [2024-11-19 13:54:39,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:54:38" (2/3) ... [2024-11-19 13:54:39,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b3f07f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:54:39, skipping insertion in model container [2024-11-19 13:54:39,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:54:39" (3/3) ... [2024-11-19 13:54:39,478 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2024-11-19 13:54:39,497 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:54:39,497 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 13:54:39,498 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 13:54:39,532 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-19 13:54:39,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 34 transitions, 82 flow [2024-11-19 13:54:39,585 INFO L124 PetriNetUnfolderBase]: 2/37 cut-off events. [2024-11-19 13:54:39,585 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-19 13:54:39,588 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. [2024-11-19 13:54:39,588 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 34 transitions, 82 flow [2024-11-19 13:54:39,590 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 28 transitions, 65 flow [2024-11-19 13:54:39,601 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:54:39,606 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;@28305fb7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:54:39,607 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-19 13:54:39,614 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 13:54:39,614 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events. [2024-11-19 13:54:39,615 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 13:54:39,615 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:39,616 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:39,616 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:39,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:39,621 INFO L85 PathProgramCache]: Analyzing trace with hash -504691518, now seen corresponding path program 1 times [2024-11-19 13:54:39,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:39,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182045945] [2024-11-19 13:54:39,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:39,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:40,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:40,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:40,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182045945] [2024-11-19 13:54:40,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182045945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:40,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:40,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 13:54:40,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996167493] [2024-11-19 13:54:40,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:40,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 13:54:40,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:40,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 13:54:40,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:54:40,213 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:40,215 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) [2024-11-19 13:54:40,215 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:40,215 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:40,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:40,628 INFO L124 PetriNetUnfolderBase]: 769/1310 cut-off events. [2024-11-19 13:54:40,629 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2024-11-19 13:54:40,632 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. [2024-11-19 13:54:40,639 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 63 selfloop transitions, 20 changer transitions 2/86 dead transitions. [2024-11-19 13:54:40,639 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 86 transitions, 366 flow [2024-11-19 13:54:40,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 13:54:40,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-19 13:54:40,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 129 transitions. [2024-11-19 13:54:40,650 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.37941176470588234 [2024-11-19 13:54:40,651 INFO L175 Difference]: Start difference. First operand has 35 places, 28 transitions, 65 flow. Second operand 10 states and 129 transitions. [2024-11-19 13:54:40,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 86 transitions, 366 flow [2024-11-19 13:54:40,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 86 transitions, 355 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-19 13:54:40,656 INFO L231 Difference]: Finished difference. Result has 46 places, 48 transitions, 188 flow [2024-11-19 13:54:40,658 INFO L260 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} [2024-11-19 13:54:40,660 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 11 predicate places. [2024-11-19 13:54:40,661 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 48 transitions, 188 flow [2024-11-19 13:54:40,661 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) [2024-11-19 13:54:40,661 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:40,661 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:40,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 13:54:40,662 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:40,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:40,662 INFO L85 PathProgramCache]: Analyzing trace with hash -263510488, now seen corresponding path program 1 times [2024-11-19 13:54:40,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:40,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835105026] [2024-11-19 13:54:40,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:40,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:40,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:40,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:40,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835105026] [2024-11-19 13:54:40,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835105026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:40,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:40,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 13:54:40,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330051805] [2024-11-19 13:54:40,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:40,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 13:54:40,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:40,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 13:54:40,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:54:40,909 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:40,909 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) [2024-11-19 13:54:40,909 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:40,909 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:40,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:41,214 INFO L124 PetriNetUnfolderBase]: 899/1554 cut-off events. [2024-11-19 13:54:41,214 INFO L125 PetriNetUnfolderBase]: For 770/770 co-relation queries the response was YES. [2024-11-19 13:54:41,217 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. [2024-11-19 13:54:41,222 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 63 selfloop transitions, 26 changer transitions 4/94 dead transitions. [2024-11-19 13:54:41,223 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 94 transitions, 534 flow [2024-11-19 13:54:41,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 13:54:41,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-19 13:54:41,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 123 transitions. [2024-11-19 13:54:41,225 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.36176470588235293 [2024-11-19 13:54:41,225 INFO L175 Difference]: Start difference. First operand has 46 places, 48 transitions, 188 flow. Second operand 10 states and 123 transitions. [2024-11-19 13:54:41,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 94 transitions, 534 flow [2024-11-19 13:54:41,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 94 transitions, 532 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 13:54:41,231 INFO L231 Difference]: Finished difference. Result has 57 places, 62 transitions, 327 flow [2024-11-19 13:54:41,231 INFO L260 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} [2024-11-19 13:54:41,232 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 22 predicate places. [2024-11-19 13:54:41,232 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 62 transitions, 327 flow [2024-11-19 13:54:41,232 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) [2024-11-19 13:54:41,232 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:41,232 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:41,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 13:54:41,233 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:41,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:41,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1753387897, now seen corresponding path program 1 times [2024-11-19 13:54:41,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:41,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46762484] [2024-11-19 13:54:41,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:41,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:41,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:41,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:41,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46762484] [2024-11-19 13:54:41,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46762484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:41,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:41,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:54:41,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130548778] [2024-11-19 13:54:41,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:41,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:54:41,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:41,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:54:41,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:54:41,629 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:41,629 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 62 transitions, 327 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) [2024-11-19 13:54:41,629 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:41,630 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:41,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:42,310 INFO L124 PetriNetUnfolderBase]: 1170/2023 cut-off events. [2024-11-19 13:54:42,310 INFO L125 PetriNetUnfolderBase]: For 1932/1943 co-relation queries the response was YES. [2024-11-19 13:54:42,314 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. [2024-11-19 13:54:42,322 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 80 selfloop transitions, 47 changer transitions 7/135 dead transitions. [2024-11-19 13:54:42,322 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 135 transitions, 884 flow [2024-11-19 13:54:42,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-19 13:54:42,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-19 13:54:42,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 194 transitions. [2024-11-19 13:54:42,325 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3356401384083045 [2024-11-19 13:54:42,325 INFO L175 Difference]: Start difference. First operand has 57 places, 62 transitions, 327 flow. Second operand 17 states and 194 transitions. [2024-11-19 13:54:42,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 135 transitions, 884 flow [2024-11-19 13:54:42,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 135 transitions, 882 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 13:54:42,331 INFO L231 Difference]: Finished difference. Result has 76 places, 78 transitions, 557 flow [2024-11-19 13:54:42,331 INFO L260 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=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=557, PETRI_PLACES=76, PETRI_TRANSITIONS=78} [2024-11-19 13:54:42,332 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 41 predicate places. [2024-11-19 13:54:42,332 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 78 transitions, 557 flow [2024-11-19 13:54:42,332 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) [2024-11-19 13:54:42,332 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:42,332 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:42,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 13:54:42,333 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:42,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:42,333 INFO L85 PathProgramCache]: Analyzing trace with hash -37422999, now seen corresponding path program 1 times [2024-11-19 13:54:42,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:42,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441716580] [2024-11-19 13:54:42,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:42,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:42,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:42,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:42,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441716580] [2024-11-19 13:54:42,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441716580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:42,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:42,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:54:42,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372545153] [2024-11-19 13:54:42,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:42,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:54:42,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:42,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:54:42,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:54:42,666 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:42,666 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 78 transitions, 557 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) [2024-11-19 13:54:42,666 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:42,666 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:42,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:43,269 INFO L124 PetriNetUnfolderBase]: 1249/2203 cut-off events. [2024-11-19 13:54:43,269 INFO L125 PetriNetUnfolderBase]: For 4363/4374 co-relation queries the response was YES. [2024-11-19 13:54:43,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7852 conditions, 2203 events. 1249/2203 cut-off events. For 4363/4374 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 13000 event pairs, 679 based on Foata normal form. 45/2098 useless extension candidates. Maximal degree in co-relation 7740. Up to 1287 conditions per place. [2024-11-19 13:54:43,283 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 77 selfloop transitions, 41 changer transitions 5/124 dead transitions. [2024-11-19 13:54:43,283 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 124 transitions, 1011 flow [2024-11-19 13:54:43,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 13:54:43,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-19 13:54:43,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 153 transitions. [2024-11-19 13:54:43,285 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.375 [2024-11-19 13:54:43,285 INFO L175 Difference]: Start difference. First operand has 76 places, 78 transitions, 557 flow. Second operand 12 states and 153 transitions. [2024-11-19 13:54:43,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 124 transitions, 1011 flow [2024-11-19 13:54:43,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 124 transitions, 882 flow, removed 18 selfloop flow, removed 13 redundant places. [2024-11-19 13:54:43,298 INFO L231 Difference]: Finished difference. Result has 77 places, 82 transitions, 584 flow [2024-11-19 13:54:43,298 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=447, PETRI_DIFFERENCE_MINUEND_PLACES=63, 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=584, PETRI_PLACES=77, PETRI_TRANSITIONS=82} [2024-11-19 13:54:43,299 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 42 predicate places. [2024-11-19 13:54:43,299 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 82 transitions, 584 flow [2024-11-19 13:54:43,299 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) [2024-11-19 13:54:43,299 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:43,300 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:43,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 13:54:43,300 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:43,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:43,300 INFO L85 PathProgramCache]: Analyzing trace with hash -31858585, now seen corresponding path program 2 times [2024-11-19 13:54:43,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:43,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131892223] [2024-11-19 13:54:43,301 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:54:43,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:43,322 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:54:43,322 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:43,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:43,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:43,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131892223] [2024-11-19 13:54:43,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131892223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:43,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:43,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:54:43,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951320758] [2024-11-19 13:54:43,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:43,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:54:43,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:43,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:54:43,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:54:43,589 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:43,589 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 82 transitions, 584 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) [2024-11-19 13:54:43,589 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:43,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:43,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:44,300 INFO L124 PetriNetUnfolderBase]: 1484/2586 cut-off events. [2024-11-19 13:54:44,300 INFO L125 PetriNetUnfolderBase]: For 5677/5681 co-relation queries the response was YES. [2024-11-19 13:54:44,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9644 conditions, 2586 events. 1484/2586 cut-off events. For 5677/5681 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 15610 event pairs, 522 based on Foata normal form. 62/2472 useless extension candidates. Maximal degree in co-relation 9527. Up to 1326 conditions per place. [2024-11-19 13:54:44,329 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 88 selfloop transitions, 69 changer transitions 8/166 dead transitions. [2024-11-19 13:54:44,329 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 166 transitions, 1393 flow [2024-11-19 13:54:44,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 13:54:44,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-19 13:54:44,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 209 transitions. [2024-11-19 13:54:44,331 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3415032679738562 [2024-11-19 13:54:44,331 INFO L175 Difference]: Start difference. First operand has 77 places, 82 transitions, 584 flow. Second operand 18 states and 209 transitions. [2024-11-19 13:54:44,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 166 transitions, 1393 flow [2024-11-19 13:54:44,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 166 transitions, 1317 flow, removed 0 selfloop flow, removed 7 redundant places. [2024-11-19 13:54:44,355 INFO L231 Difference]: Finished difference. Result has 93 places, 105 transitions, 941 flow [2024-11-19 13:54:44,356 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=527, PETRI_DIFFERENCE_MINUEND_PLACES=70, 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=941, PETRI_PLACES=93, PETRI_TRANSITIONS=105} [2024-11-19 13:54:44,356 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 58 predicate places. [2024-11-19 13:54:44,356 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 105 transitions, 941 flow [2024-11-19 13:54:44,356 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) [2024-11-19 13:54:44,357 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:44,357 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:44,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 13:54:44,357 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:44,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:44,357 INFO L85 PathProgramCache]: Analyzing trace with hash -32060619, now seen corresponding path program 2 times [2024-11-19 13:54:44,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:44,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646034122] [2024-11-19 13:54:44,357 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:54:44,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:44,402 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:54:44,402 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:44,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:44,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:44,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646034122] [2024-11-19 13:54:44,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646034122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:44,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:44,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:54:44,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476481487] [2024-11-19 13:54:44,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:44,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:54:44,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:44,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:54:44,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:54:44,687 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:44,687 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 105 transitions, 941 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) [2024-11-19 13:54:44,687 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:44,687 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:44,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:45,257 INFO L124 PetriNetUnfolderBase]: 1588/2831 cut-off events. [2024-11-19 13:54:45,258 INFO L125 PetriNetUnfolderBase]: For 10506/10514 co-relation queries the response was YES. [2024-11-19 13:54:45,267 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11935 conditions, 2831 events. 1588/2831 cut-off events. For 10506/10514 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 17813 event pairs, 850 based on Foata normal form. 60/2711 useless extension candidates. Maximal degree in co-relation 11808. Up to 1496 conditions per place. [2024-11-19 13:54:45,282 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 87 selfloop transitions, 63 changer transitions 6/157 dead transitions. [2024-11-19 13:54:45,283 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 157 transitions, 1515 flow [2024-11-19 13:54:45,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 13:54:45,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-19 13:54:45,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 175 transitions. [2024-11-19 13:54:45,284 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.36764705882352944 [2024-11-19 13:54:45,284 INFO L175 Difference]: Start difference. First operand has 93 places, 105 transitions, 941 flow. Second operand 14 states and 175 transitions. [2024-11-19 13:54:45,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 157 transitions, 1515 flow [2024-11-19 13:54:45,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 157 transitions, 1432 flow, removed 12 selfloop flow, removed 8 redundant places. [2024-11-19 13:54:45,307 INFO L231 Difference]: Finished difference. Result has 101 places, 108 transitions, 1070 flow [2024-11-19 13:54:45,310 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=867, PETRI_DIFFERENCE_MINUEND_PLACES=85, 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=1070, PETRI_PLACES=101, PETRI_TRANSITIONS=108} [2024-11-19 13:54:45,311 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 66 predicate places. [2024-11-19 13:54:45,311 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 108 transitions, 1070 flow [2024-11-19 13:54:45,311 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) [2024-11-19 13:54:45,311 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:45,311 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:45,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 13:54:45,311 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:45,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:45,312 INFO L85 PathProgramCache]: Analyzing trace with hash 169230665, now seen corresponding path program 3 times [2024-11-19 13:54:45,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:45,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404054162] [2024-11-19 13:54:45,312 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 13:54:45,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:45,334 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 13:54:45,335 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:45,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:45,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:45,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404054162] [2024-11-19 13:54:45,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404054162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:45,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:45,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:54:45,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151523508] [2024-11-19 13:54:45,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:45,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:54:45,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:45,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:54:45,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:54:45,630 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:45,630 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 108 transitions, 1070 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) [2024-11-19 13:54:45,630 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:45,630 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:45,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:46,555 INFO L124 PetriNetUnfolderBase]: 1674/2938 cut-off events. [2024-11-19 13:54:46,555 INFO L125 PetriNetUnfolderBase]: For 13002/13015 co-relation queries the response was YES. [2024-11-19 13:54:46,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13332 conditions, 2938 events. 1674/2938 cut-off events. For 13002/13015 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 18391 event pairs, 918 based on Foata normal form. 48/2780 useless extension candidates. Maximal degree in co-relation 12063. Up to 2093 conditions per place. [2024-11-19 13:54:46,585 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 107 selfloop transitions, 51 changer transitions 6/165 dead transitions. [2024-11-19 13:54:46,585 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 165 transitions, 1812 flow [2024-11-19 13:54:46,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 13:54:46,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-19 13:54:46,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 151 transitions. [2024-11-19 13:54:46,587 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3700980392156863 [2024-11-19 13:54:46,587 INFO L175 Difference]: Start difference. First operand has 101 places, 108 transitions, 1070 flow. Second operand 12 states and 151 transitions. [2024-11-19 13:54:46,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 165 transitions, 1812 flow [2024-11-19 13:54:46,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 165 transitions, 1708 flow, removed 14 selfloop flow, removed 8 redundant places. [2024-11-19 13:54:46,626 INFO L231 Difference]: Finished difference. Result has 109 places, 121 transitions, 1284 flow [2024-11-19 13:54:46,626 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=984, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1284, PETRI_PLACES=109, PETRI_TRANSITIONS=121} [2024-11-19 13:54:46,627 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 74 predicate places. [2024-11-19 13:54:46,627 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 121 transitions, 1284 flow [2024-11-19 13:54:46,627 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) [2024-11-19 13:54:46,627 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:46,627 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:46,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 13:54:46,628 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:46,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:46,629 INFO L85 PathProgramCache]: Analyzing trace with hash 162080825, now seen corresponding path program 4 times [2024-11-19 13:54:46,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:46,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809098784] [2024-11-19 13:54:46,629 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 13:54:46,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:46,678 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 13:54:46,679 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:47,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:47,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:47,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809098784] [2024-11-19 13:54:47,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809098784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:47,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:47,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:54:47,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483400138] [2024-11-19 13:54:47,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:47,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:54:47,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:47,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:54:47,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:54:47,040 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:47,040 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 121 transitions, 1284 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) [2024-11-19 13:54:47,040 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:47,041 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:47,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:47,760 INFO L124 PetriNetUnfolderBase]: 1687/3017 cut-off events. [2024-11-19 13:54:47,761 INFO L125 PetriNetUnfolderBase]: For 15362/15378 co-relation queries the response was YES. [2024-11-19 13:54:47,770 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14008 conditions, 3017 events. 1687/3017 cut-off events. For 15362/15378 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 19354 event pairs, 844 based on Foata normal form. 70/2903 useless extension candidates. Maximal degree in co-relation 12623. Up to 1740 conditions per place. [2024-11-19 13:54:47,778 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 114 selfloop transitions, 64 changer transitions 8/187 dead transitions. [2024-11-19 13:54:47,778 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 187 transitions, 2168 flow [2024-11-19 13:54:47,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 13:54:47,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-19 13:54:47,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 173 transitions. [2024-11-19 13:54:47,780 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3634453781512605 [2024-11-19 13:54:47,780 INFO L175 Difference]: Start difference. First operand has 109 places, 121 transitions, 1284 flow. Second operand 14 states and 173 transitions. [2024-11-19 13:54:47,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 187 transitions, 2168 flow [2024-11-19 13:54:47,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 187 transitions, 2026 flow, removed 26 selfloop flow, removed 8 redundant places. [2024-11-19 13:54:47,810 INFO L231 Difference]: Finished difference. Result has 117 places, 134 transitions, 1514 flow [2024-11-19 13:54:47,811 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1152, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1514, PETRI_PLACES=117, PETRI_TRANSITIONS=134} [2024-11-19 13:54:47,811 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 82 predicate places. [2024-11-19 13:54:47,811 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 134 transitions, 1514 flow [2024-11-19 13:54:47,811 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) [2024-11-19 13:54:47,812 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:47,812 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:47,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 13:54:47,812 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:47,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:47,812 INFO L85 PathProgramCache]: Analyzing trace with hash 161878791, now seen corresponding path program 3 times [2024-11-19 13:54:47,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:47,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750905579] [2024-11-19 13:54:47,813 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 13:54:47,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:47,826 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 13:54:47,827 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:48,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:48,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:48,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750905579] [2024-11-19 13:54:48,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750905579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:48,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:48,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 13:54:48,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988968631] [2024-11-19 13:54:48,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:48,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:54:48,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:48,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:54:48,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:54:48,025 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:48,026 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 134 transitions, 1514 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) [2024-11-19 13:54:48,026 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:48,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:48,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:48,748 INFO L124 PetriNetUnfolderBase]: 1700/3117 cut-off events. [2024-11-19 13:54:48,748 INFO L125 PetriNetUnfolderBase]: For 21815/21819 co-relation queries the response was YES. [2024-11-19 13:54:48,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15396 conditions, 3117 events. 1700/3117 cut-off events. For 21815/21819 co-relation queries the response was YES. Maximal size of possible extension queue 255. Compared 20771 event pairs, 828 based on Foata normal form. 82/3033 useless extension candidates. Maximal degree in co-relation 15254. Up to 1882 conditions per place. [2024-11-19 13:54:48,797 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 105 selfloop transitions, 81 changer transitions 10/197 dead transitions. [2024-11-19 13:54:48,798 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 197 transitions, 2314 flow [2024-11-19 13:54:48,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 13:54:48,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-19 13:54:48,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 207 transitions. [2024-11-19 13:54:48,800 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3382352941176471 [2024-11-19 13:54:48,800 INFO L175 Difference]: Start difference. First operand has 117 places, 134 transitions, 1514 flow. Second operand 18 states and 207 transitions. [2024-11-19 13:54:48,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 197 transitions, 2314 flow [2024-11-19 13:54:48,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 197 transitions, 2182 flow, removed 40 selfloop flow, removed 6 redundant places. [2024-11-19 13:54:48,898 INFO L231 Difference]: Finished difference. Result has 131 places, 138 transitions, 1661 flow [2024-11-19 13:54:48,898 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1410, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=1661, PETRI_PLACES=131, PETRI_TRANSITIONS=138} [2024-11-19 13:54:48,899 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 96 predicate places. [2024-11-19 13:54:48,905 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 138 transitions, 1661 flow [2024-11-19 13:54:48,905 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) [2024-11-19 13:54:48,905 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:48,906 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:48,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 13:54:48,906 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:48,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:48,906 INFO L85 PathProgramCache]: Analyzing trace with hash 982595489, now seen corresponding path program 1 times [2024-11-19 13:54:48,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:48,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93723083] [2024-11-19 13:54:48,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:48,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:48,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:48,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:48,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93723083] [2024-11-19 13:54:48,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93723083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:48,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:48,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 13:54:48,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701235022] [2024-11-19 13:54:48,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:49,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:54:49,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:49,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:54:49,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:54:49,004 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 34 [2024-11-19 13:54:49,004 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 138 transitions, 1661 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) [2024-11-19 13:54:49,004 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:49,004 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 34 [2024-11-19 13:54:49,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:49,210 INFO L124 PetriNetUnfolderBase]: 836/1583 cut-off events. [2024-11-19 13:54:49,210 INFO L125 PetriNetUnfolderBase]: For 10489/10489 co-relation queries the response was YES. [2024-11-19 13:54:49,215 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7512 conditions, 1583 events. 836/1583 cut-off events. For 10489/10489 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 10005 event pairs, 62 based on Foata normal form. 0/1503 useless extension candidates. Maximal degree in co-relation 6785. Up to 924 conditions per place. [2024-11-19 13:54:49,219 INFO L140 encePairwiseOnDemand]: 31/34 looper letters, 216 selfloop transitions, 7 changer transitions 6/229 dead transitions. [2024-11-19 13:54:49,219 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 229 transitions, 3264 flow [2024-11-19 13:54:49,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:54:49,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-19 13:54:49,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 66 transitions. [2024-11-19 13:54:49,221 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4852941176470588 [2024-11-19 13:54:49,222 INFO L175 Difference]: Start difference. First operand has 131 places, 138 transitions, 1661 flow. Second operand 4 states and 66 transitions. [2024-11-19 13:54:49,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 229 transitions, 3264 flow [2024-11-19 13:54:49,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 229 transitions, 3115 flow, removed 9 selfloop flow, removed 12 redundant places. [2024-11-19 13:54:49,244 INFO L231 Difference]: Finished difference. Result has 119 places, 95 transitions, 1019 flow [2024-11-19 13:54:49,245 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1033, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1019, PETRI_PLACES=119, PETRI_TRANSITIONS=95} [2024-11-19 13:54:49,245 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 84 predicate places. [2024-11-19 13:54:49,245 INFO L471 AbstractCegarLoop]: Abstraction has has 119 places, 95 transitions, 1019 flow [2024-11-19 13:54:49,245 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) [2024-11-19 13:54:49,245 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:49,246 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:49,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 13:54:49,246 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:49,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:49,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1524550870, now seen corresponding path program 1 times [2024-11-19 13:54:49,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:49,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677938202] [2024-11-19 13:54:49,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:49,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:49,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:49,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:49,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677938202] [2024-11-19 13:54:49,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677938202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:49,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:49,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 13:54:49,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174310429] [2024-11-19 13:54:49,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:49,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 13:54:49,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:49,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 13:54:49,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-19 13:54:49,601 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:49,601 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 95 transitions, 1019 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) [2024-11-19 13:54:49,602 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:49,602 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:49,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:50,050 INFO L124 PetriNetUnfolderBase]: 700/1339 cut-off events. [2024-11-19 13:54:50,051 INFO L125 PetriNetUnfolderBase]: For 7784/7784 co-relation queries the response was YES. [2024-11-19 13:54:50,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6945 conditions, 1339 events. 700/1339 cut-off events. For 7784/7784 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 7667 event pairs, 185 based on Foata normal form. 0/1251 useless extension candidates. Maximal degree in co-relation 6802. Up to 378 conditions per place. [2024-11-19 13:54:50,061 INFO L140 encePairwiseOnDemand]: 26/34 looper letters, 106 selfloop transitions, 39 changer transitions 0/145 dead transitions. [2024-11-19 13:54:50,062 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 145 transitions, 1558 flow [2024-11-19 13:54:50,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 13:54:50,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-19 13:54:50,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 134 transitions. [2024-11-19 13:54:50,063 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3582887700534759 [2024-11-19 13:54:50,063 INFO L175 Difference]: Start difference. First operand has 119 places, 95 transitions, 1019 flow. Second operand 11 states and 134 transitions. [2024-11-19 13:54:50,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 145 transitions, 1558 flow [2024-11-19 13:54:50,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 145 transitions, 1523 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 13:54:50,094 INFO L231 Difference]: Finished difference. Result has 130 places, 97 transitions, 1138 flow [2024-11-19 13:54:50,095 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1011, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1138, PETRI_PLACES=130, PETRI_TRANSITIONS=97} [2024-11-19 13:54:50,095 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 95 predicate places. [2024-11-19 13:54:50,095 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 97 transitions, 1138 flow [2024-11-19 13:54:50,096 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) [2024-11-19 13:54:50,096 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:50,096 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:50,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 13:54:50,096 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:50,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:50,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1749510291, now seen corresponding path program 1 times [2024-11-19 13:54:50,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:50,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741887985] [2024-11-19 13:54:50,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:50,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:50,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:50,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:50,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741887985] [2024-11-19 13:54:50,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741887985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:50,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:50,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 13:54:50,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080200140] [2024-11-19 13:54:50,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:50,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 13:54:50,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:50,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 13:54:50,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-19 13:54:50,950 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:50,950 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 97 transitions, 1138 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) [2024-11-19 13:54:50,950 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:50,951 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:50,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:51,691 INFO L124 PetriNetUnfolderBase]: 716/1367 cut-off events. [2024-11-19 13:54:51,691 INFO L125 PetriNetUnfolderBase]: For 10270/10270 co-relation queries the response was YES. [2024-11-19 13:54:51,696 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7179 conditions, 1367 events. 716/1367 cut-off events. For 10270/10270 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 7913 event pairs, 114 based on Foata normal form. 30/1349 useless extension candidates. Maximal degree in co-relation 7027. Up to 516 conditions per place. [2024-11-19 13:54:51,700 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 107 selfloop transitions, 70 changer transitions 22/199 dead transitions. [2024-11-19 13:54:51,700 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 199 transitions, 2020 flow [2024-11-19 13:54:51,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-19 13:54:51,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2024-11-19 13:54:51,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 272 transitions. [2024-11-19 13:54:51,702 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2857142857142857 [2024-11-19 13:54:51,702 INFO L175 Difference]: Start difference. First operand has 130 places, 97 transitions, 1138 flow. Second operand 28 states and 272 transitions. [2024-11-19 13:54:51,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 199 transitions, 2020 flow [2024-11-19 13:54:51,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 199 transitions, 1914 flow, removed 18 selfloop flow, removed 6 redundant places. [2024-11-19 13:54:51,734 INFO L231 Difference]: Finished difference. Result has 155 places, 104 transitions, 1298 flow [2024-11-19 13:54:51,734 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1020, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=1298, PETRI_PLACES=155, PETRI_TRANSITIONS=104} [2024-11-19 13:54:51,735 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 120 predicate places. [2024-11-19 13:54:51,735 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 104 transitions, 1298 flow [2024-11-19 13:54:51,736 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) [2024-11-19 13:54:51,736 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:51,736 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:51,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 13:54:51,736 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:51,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:51,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1747636342, now seen corresponding path program 2 times [2024-11-19 13:54:51,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:51,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654528033] [2024-11-19 13:54:51,737 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:54:51,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:51,753 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:54:51,754 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:51,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:51,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:51,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654528033] [2024-11-19 13:54:51,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654528033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:51,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:51,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 13:54:51,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433123731] [2024-11-19 13:54:51,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:51,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 13:54:51,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:51,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 13:54:51,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:54:51,878 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:51,878 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 104 transitions, 1298 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) [2024-11-19 13:54:51,878 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:51,878 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:51,879 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:52,169 INFO L124 PetriNetUnfolderBase]: 730/1403 cut-off events. [2024-11-19 13:54:52,169 INFO L125 PetriNetUnfolderBase]: For 11437/11437 co-relation queries the response was YES. [2024-11-19 13:54:52,174 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7443 conditions, 1403 events. 730/1403 cut-off events. For 11437/11437 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 8219 event pairs, 248 based on Foata normal form. 30/1369 useless extension candidates. Maximal degree in co-relation 7322. Up to 402 conditions per place. [2024-11-19 13:54:52,179 INFO L140 encePairwiseOnDemand]: 27/34 looper letters, 108 selfloop transitions, 24 changer transitions 14/146 dead transitions. [2024-11-19 13:54:52,179 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 146 transitions, 1812 flow [2024-11-19 13:54:52,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 13:54:52,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-19 13:54:52,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 116 transitions. [2024-11-19 13:54:52,180 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3790849673202614 [2024-11-19 13:54:52,180 INFO L175 Difference]: Start difference. First operand has 155 places, 104 transitions, 1298 flow. Second operand 9 states and 116 transitions. [2024-11-19 13:54:52,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 146 transitions, 1812 flow [2024-11-19 13:54:52,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 146 transitions, 1667 flow, removed 33 selfloop flow, removed 18 redundant places. [2024-11-19 13:54:52,219 INFO L231 Difference]: Finished difference. Result has 144 places, 94 transitions, 1120 flow [2024-11-19 13:54:52,220 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1165, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1120, PETRI_PLACES=144, PETRI_TRANSITIONS=94} [2024-11-19 13:54:52,220 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 109 predicate places. [2024-11-19 13:54:52,220 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 94 transitions, 1120 flow [2024-11-19 13:54:52,220 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) [2024-11-19 13:54:52,221 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:52,221 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:52,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 13:54:52,221 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:52,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:52,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1603530772, now seen corresponding path program 1 times [2024-11-19 13:54:52,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:52,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308821095] [2024-11-19 13:54:52,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:52,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:52,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:52,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:52,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308821095] [2024-11-19 13:54:52,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308821095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:52,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:52,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 13:54:52,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105322339] [2024-11-19 13:54:52,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:52,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 13:54:52,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:52,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 13:54:52,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:54:52,357 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:52,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 94 transitions, 1120 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) [2024-11-19 13:54:52,357 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:52,357 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:52,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:52,644 INFO L124 PetriNetUnfolderBase]: 594/1149 cut-off events. [2024-11-19 13:54:52,644 INFO L125 PetriNetUnfolderBase]: For 8861/8861 co-relation queries the response was YES. [2024-11-19 13:54:52,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6031 conditions, 1149 events. 594/1149 cut-off events. For 8861/8861 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 6396 event pairs, 199 based on Foata normal form. 0/1117 useless extension candidates. Maximal degree in co-relation 5933. Up to 444 conditions per place. [2024-11-19 13:54:52,652 INFO L140 encePairwiseOnDemand]: 27/34 looper letters, 101 selfloop transitions, 23 changer transitions 0/124 dead transitions. [2024-11-19 13:54:52,653 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 124 transitions, 1487 flow [2024-11-19 13:54:52,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 13:54:52,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-19 13:54:52,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 102 transitions. [2024-11-19 13:54:52,654 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.375 [2024-11-19 13:54:52,654 INFO L175 Difference]: Start difference. First operand has 144 places, 94 transitions, 1120 flow. Second operand 8 states and 102 transitions. [2024-11-19 13:54:52,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 124 transitions, 1487 flow [2024-11-19 13:54:52,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 124 transitions, 1382 flow, removed 27 selfloop flow, removed 11 redundant places. [2024-11-19 13:54:52,686 INFO L231 Difference]: Finished difference. Result has 139 places, 96 transitions, 1119 flow [2024-11-19 13:54:52,686 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1025, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1119, PETRI_PLACES=139, PETRI_TRANSITIONS=96} [2024-11-19 13:54:52,687 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 104 predicate places. [2024-11-19 13:54:52,687 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 96 transitions, 1119 flow [2024-11-19 13:54:52,688 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) [2024-11-19 13:54:52,688 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:52,688 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:52,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 13:54:52,688 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:52,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:52,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1603530771, now seen corresponding path program 1 times [2024-11-19 13:54:52,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:52,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767704382] [2024-11-19 13:54:52,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:54:52,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:54:53,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:53,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:53,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767704382] [2024-11-19 13:54:53,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767704382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:53,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:53,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 13:54:53,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685078731] [2024-11-19 13:54:53,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:53,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 13:54:53,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:53,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 13:54:53,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-19 13:54:53,044 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:53,045 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 96 transitions, 1119 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) [2024-11-19 13:54:53,045 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:53,045 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:53,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:53,616 INFO L124 PetriNetUnfolderBase]: 592/1155 cut-off events. [2024-11-19 13:54:53,616 INFO L125 PetriNetUnfolderBase]: For 8881/8881 co-relation queries the response was YES. [2024-11-19 13:54:53,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5900 conditions, 1155 events. 592/1155 cut-off events. For 8881/8881 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 6510 event pairs, 191 based on Foata normal form. 32/1187 useless extension candidates. Maximal degree in co-relation 5803. Up to 414 conditions per place. [2024-11-19 13:54:53,622 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 80 selfloop transitions, 38 changer transitions 36/154 dead transitions. [2024-11-19 13:54:53,622 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 154 transitions, 1699 flow [2024-11-19 13:54:53,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-19 13:54:53,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-19 13:54:53,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 198 transitions. [2024-11-19 13:54:53,623 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2911764705882353 [2024-11-19 13:54:53,623 INFO L175 Difference]: Start difference. First operand has 139 places, 96 transitions, 1119 flow. Second operand 20 states and 198 transitions. [2024-11-19 13:54:53,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 154 transitions, 1699 flow [2024-11-19 13:54:53,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 154 transitions, 1659 flow, removed 4 selfloop flow, removed 3 redundant places. [2024-11-19 13:54:53,643 INFO L231 Difference]: Finished difference. Result has 156 places, 82 transitions, 980 flow [2024-11-19 13:54:53,644 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1069, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=980, PETRI_PLACES=156, PETRI_TRANSITIONS=82} [2024-11-19 13:54:53,644 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 121 predicate places. [2024-11-19 13:54:53,644 INFO L471 AbstractCegarLoop]: Abstraction has has 156 places, 82 transitions, 980 flow [2024-11-19 13:54:53,644 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) [2024-11-19 13:54:53,645 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:53,645 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:53,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 13:54:53,645 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:53,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:53,645 INFO L85 PathProgramCache]: Analyzing trace with hash -551526517, now seen corresponding path program 2 times [2024-11-19 13:54:53,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:53,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343679437] [2024-11-19 13:54:53,646 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:54:53,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:53,662 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:54:53,662 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:53,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:53,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:53,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343679437] [2024-11-19 13:54:53,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343679437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:53,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:53,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:54:53,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979993484] [2024-11-19 13:54:53,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:53,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:54:53,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:53,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:54:53,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:54:53,938 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:53,939 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 82 transitions, 980 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) [2024-11-19 13:54:53,939 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:53,939 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:53,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:54,366 INFO L124 PetriNetUnfolderBase]: 459/894 cut-off events. [2024-11-19 13:54:54,366 INFO L125 PetriNetUnfolderBase]: For 7009/7009 co-relation queries the response was YES. [2024-11-19 13:54:54,370 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4742 conditions, 894 events. 459/894 cut-off events. For 7009/7009 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 4673 event pairs, 102 based on Foata normal form. 10/904 useless extension candidates. Maximal degree in co-relation 4663. Up to 390 conditions per place. [2024-11-19 13:54:54,372 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 50 selfloop transitions, 35 changer transitions 42/127 dead transitions. [2024-11-19 13:54:54,373 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 127 transitions, 1370 flow [2024-11-19 13:54:54,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-19 13:54:54,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-19 13:54:54,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 186 transitions. [2024-11-19 13:54:54,374 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2735294117647059 [2024-11-19 13:54:54,374 INFO L175 Difference]: Start difference. First operand has 156 places, 82 transitions, 980 flow. Second operand 20 states and 186 transitions. [2024-11-19 13:54:54,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 127 transitions, 1370 flow [2024-11-19 13:54:54,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 127 transitions, 1203 flow, removed 18 selfloop flow, removed 26 redundant places. [2024-11-19 13:54:54,390 INFO L231 Difference]: Finished difference. Result has 140 places, 65 transitions, 723 flow [2024-11-19 13:54:54,390 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=797, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=723, PETRI_PLACES=140, PETRI_TRANSITIONS=65} [2024-11-19 13:54:54,391 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 105 predicate places. [2024-11-19 13:54:54,391 INFO L471 AbstractCegarLoop]: Abstraction has has 140 places, 65 transitions, 723 flow [2024-11-19 13:54:54,391 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) [2024-11-19 13:54:54,391 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:54,391 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:54,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 13:54:54,391 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:54,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:54,392 INFO L85 PathProgramCache]: Analyzing trace with hash -578070548, now seen corresponding path program 2 times [2024-11-19 13:54:54,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:54,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316387540] [2024-11-19 13:54:54,392 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:54:54,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:54,406 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:54:54,406 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:54,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:54,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:54,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316387540] [2024-11-19 13:54:54,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316387540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:54,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:54,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 13:54:54,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532325845] [2024-11-19 13:54:54,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:54,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 13:54:54,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:54,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 13:54:54,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:54:54,526 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:54,526 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 65 transitions, 723 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) [2024-11-19 13:54:54,526 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:54,527 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:54,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:54,761 INFO L124 PetriNetUnfolderBase]: 413/802 cut-off events. [2024-11-19 13:54:54,761 INFO L125 PetriNetUnfolderBase]: For 4568/4568 co-relation queries the response was YES. [2024-11-19 13:54:54,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3962 conditions, 802 events. 413/802 cut-off events. For 4568/4568 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 4087 event pairs, 96 based on Foata normal form. 32/834 useless extension candidates. Maximal degree in co-relation 3914. Up to 340 conditions per place. [2024-11-19 13:54:54,767 INFO L140 encePairwiseOnDemand]: 27/34 looper letters, 67 selfloop transitions, 19 changer transitions 0/86 dead transitions. [2024-11-19 13:54:54,767 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 86 transitions, 973 flow [2024-11-19 13:54:54,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 13:54:54,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-19 13:54:54,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 81 transitions. [2024-11-19 13:54:54,768 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3403361344537815 [2024-11-19 13:54:54,768 INFO L175 Difference]: Start difference. First operand has 140 places, 65 transitions, 723 flow. Second operand 7 states and 81 transitions. [2024-11-19 13:54:54,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 86 transitions, 973 flow [2024-11-19 13:54:54,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 86 transitions, 866 flow, removed 10 selfloop flow, removed 19 redundant places. [2024-11-19 13:54:54,780 INFO L231 Difference]: Finished difference. Result has 112 places, 67 transitions, 706 flow [2024-11-19 13:54:54,780 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=623, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=706, PETRI_PLACES=112, PETRI_TRANSITIONS=67} [2024-11-19 13:54:54,781 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 77 predicate places. [2024-11-19 13:54:54,781 INFO L471 AbstractCegarLoop]: Abstraction has has 112 places, 67 transitions, 706 flow [2024-11-19 13:54:54,781 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) [2024-11-19 13:54:54,781 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:54,782 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:54,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 13:54:54,782 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:54,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:54,782 INFO L85 PathProgramCache]: Analyzing trace with hash -310528147, now seen corresponding path program 2 times [2024-11-19 13:54:54,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:54,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606787180] [2024-11-19 13:54:54,782 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:54:54,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:54,800 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:54:54,801 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:55,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:55,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:55,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606787180] [2024-11-19 13:54:55,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606787180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:55,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:55,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 13:54:55,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666686860] [2024-11-19 13:54:55,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:55,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 13:54:55,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:55,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 13:54:55,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-19 13:54:55,151 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:55,151 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 67 transitions, 706 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) [2024-11-19 13:54:55,151 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:55,151 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:55,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:55,729 INFO L124 PetriNetUnfolderBase]: 383/748 cut-off events. [2024-11-19 13:54:55,730 INFO L125 PetriNetUnfolderBase]: For 3563/3563 co-relation queries the response was YES. [2024-11-19 13:54:55,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3656 conditions, 748 events. 383/748 cut-off events. For 3563/3563 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3817 event pairs, 70 based on Foata normal form. 32/780 useless extension candidates. Maximal degree in co-relation 3614. Up to 254 conditions per place. [2024-11-19 13:54:55,734 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 74 selfloop transitions, 32 changer transitions 30/136 dead transitions. [2024-11-19 13:54:55,734 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 136 transitions, 1272 flow [2024-11-19 13:54:55,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-19 13:54:55,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2024-11-19 13:54:55,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 232 transitions. [2024-11-19 13:54:55,735 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.26244343891402716 [2024-11-19 13:54:55,735 INFO L175 Difference]: Start difference. First operand has 112 places, 67 transitions, 706 flow. Second operand 26 states and 232 transitions. [2024-11-19 13:54:55,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 136 transitions, 1272 flow [2024-11-19 13:54:55,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 136 transitions, 1241 flow, removed 3 selfloop flow, removed 3 redundant places. [2024-11-19 13:54:55,744 INFO L231 Difference]: Finished difference. Result has 136 places, 58 transitions, 604 flow [2024-11-19 13:54:55,745 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=668, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=604, PETRI_PLACES=136, PETRI_TRANSITIONS=58} [2024-11-19 13:54:55,745 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 101 predicate places. [2024-11-19 13:54:55,745 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 58 transitions, 604 flow [2024-11-19 13:54:55,745 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) [2024-11-19 13:54:55,745 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:55,745 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:55,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 13:54:55,746 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:55,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:55,746 INFO L85 PathProgramCache]: Analyzing trace with hash -310528148, now seen corresponding path program 3 times [2024-11-19 13:54:55,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:55,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754716191] [2024-11-19 13:54:55,746 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 13:54:55,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:55,761 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 13:54:55,762 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:55,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:55,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:55,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754716191] [2024-11-19 13:54:55,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754716191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:55,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:55,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 13:54:55,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717838976] [2024-11-19 13:54:55,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:55,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 13:54:55,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:55,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 13:54:55,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-19 13:54:55,969 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:55,969 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 58 transitions, 604 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) [2024-11-19 13:54:55,969 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:55,969 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:55,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:56,220 INFO L124 PetriNetUnfolderBase]: 291/582 cut-off events. [2024-11-19 13:54:56,220 INFO L125 PetriNetUnfolderBase]: For 3086/3086 co-relation queries the response was YES. [2024-11-19 13:54:56,221 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2900 conditions, 582 events. 291/582 cut-off events. For 3086/3086 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 2759 event pairs, 84 based on Foata normal form. 8/590 useless extension candidates. Maximal degree in co-relation 2853. Up to 244 conditions per place. [2024-11-19 13:54:56,223 INFO L140 encePairwiseOnDemand]: 26/34 looper letters, 58 selfloop transitions, 17 changer transitions 13/88 dead transitions. [2024-11-19 13:54:56,223 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 88 transitions, 888 flow [2024-11-19 13:54:56,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 13:54:56,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-19 13:54:56,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 107 transitions. [2024-11-19 13:54:56,224 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31470588235294117 [2024-11-19 13:54:56,224 INFO L175 Difference]: Start difference. First operand has 136 places, 58 transitions, 604 flow. Second operand 10 states and 107 transitions. [2024-11-19 13:54:56,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 88 transitions, 888 flow [2024-11-19 13:54:56,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 88 transitions, 726 flow, removed 19 selfloop flow, removed 30 redundant places. [2024-11-19 13:54:56,230 INFO L231 Difference]: Finished difference. Result has 108 places, 52 transitions, 435 flow [2024-11-19 13:54:56,230 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=438, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=435, PETRI_PLACES=108, PETRI_TRANSITIONS=52} [2024-11-19 13:54:56,231 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 73 predicate places. [2024-11-19 13:54:56,231 INFO L471 AbstractCegarLoop]: Abstraction has has 108 places, 52 transitions, 435 flow [2024-11-19 13:54:56,231 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) [2024-11-19 13:54:56,231 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:56,231 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:56,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 13:54:56,231 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:56,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:56,231 INFO L85 PathProgramCache]: Analyzing trace with hash 941264484, now seen corresponding path program 3 times [2024-11-19 13:54:56,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:56,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968107768] [2024-11-19 13:54:56,232 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 13:54:56,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:56,250 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 13:54:56,253 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:56,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:56,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:56,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968107768] [2024-11-19 13:54:56,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968107768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:56,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:56,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 13:54:56,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259687920] [2024-11-19 13:54:56,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:56,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 13:54:56,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:56,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 13:54:56,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-19 13:54:56,442 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:56,442 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 52 transitions, 435 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) [2024-11-19 13:54:56,442 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:56,442 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:56,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:56,617 INFO L124 PetriNetUnfolderBase]: 204/419 cut-off events. [2024-11-19 13:54:56,618 INFO L125 PetriNetUnfolderBase]: For 1480/1480 co-relation queries the response was YES. [2024-11-19 13:54:56,618 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1874 conditions, 419 events. 204/419 cut-off events. For 1480/1480 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1845 event pairs, 42 based on Foata normal form. 40/459 useless extension candidates. Maximal degree in co-relation 1842. Up to 186 conditions per place. [2024-11-19 13:54:56,621 INFO L140 encePairwiseOnDemand]: 26/34 looper letters, 45 selfloop transitions, 16 changer transitions 6/67 dead transitions. [2024-11-19 13:54:56,621 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 67 transitions, 603 flow [2024-11-19 13:54:56,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 13:54:56,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-19 13:54:56,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 76 transitions. [2024-11-19 13:54:56,622 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31932773109243695 [2024-11-19 13:54:56,622 INFO L175 Difference]: Start difference. First operand has 108 places, 52 transitions, 435 flow. Second operand 7 states and 76 transitions. [2024-11-19 13:54:56,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 67 transitions, 603 flow [2024-11-19 13:54:56,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 67 transitions, 525 flow, removed 4 selfloop flow, removed 13 redundant places. [2024-11-19 13:54:56,625 INFO L231 Difference]: Finished difference. Result has 89 places, 44 transitions, 308 flow [2024-11-19 13:54:56,625 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=308, PETRI_PLACES=89, PETRI_TRANSITIONS=44} [2024-11-19 13:54:56,625 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 54 predicate places. [2024-11-19 13:54:56,625 INFO L471 AbstractCegarLoop]: Abstraction has has 89 places, 44 transitions, 308 flow [2024-11-19 13:54:56,625 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) [2024-11-19 13:54:56,626 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:56,626 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:56,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 13:54:56,626 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:56,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:56,626 INFO L85 PathProgramCache]: Analyzing trace with hash 946713355, now seen corresponding path program 3 times [2024-11-19 13:54:56,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:56,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557584380] [2024-11-19 13:54:56,627 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 13:54:56,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:56,640 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 13:54:56,640 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:56,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:56,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:56,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557584380] [2024-11-19 13:54:56,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557584380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:56,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:56,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:54:56,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258861737] [2024-11-19 13:54:56,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:56,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:54:56,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:56,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:54:56,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:54:56,874 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:56,875 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 44 transitions, 308 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) [2024-11-19 13:54:56,875 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:56,875 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:56,875 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:57,189 INFO L124 PetriNetUnfolderBase]: 126/263 cut-off events. [2024-11-19 13:54:57,189 INFO L125 PetriNetUnfolderBase]: For 732/732 co-relation queries the response was YES. [2024-11-19 13:54:57,190 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1135 conditions, 263 events. 126/263 cut-off events. For 732/732 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 998 event pairs, 12 based on Foata normal form. 20/283 useless extension candidates. Maximal degree in co-relation 1125. Up to 54 conditions per place. [2024-11-19 13:54:57,191 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 24 selfloop transitions, 17 changer transitions 37/78 dead transitions. [2024-11-19 13:54:57,191 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 78 transitions, 592 flow [2024-11-19 13:54:57,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-19 13:54:57,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-19 13:54:57,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 133 transitions. [2024-11-19 13:54:57,192 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.24448529411764705 [2024-11-19 13:54:57,192 INFO L175 Difference]: Start difference. First operand has 89 places, 44 transitions, 308 flow. Second operand 16 states and 133 transitions. [2024-11-19 13:54:57,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 78 transitions, 592 flow [2024-11-19 13:54:57,193 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 78 transitions, 512 flow, removed 4 selfloop flow, removed 10 redundant places. [2024-11-19 13:54:57,193 INFO L231 Difference]: Finished difference. Result has 83 places, 29 transitions, 180 flow [2024-11-19 13:54:57,194 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=180, PETRI_PLACES=83, PETRI_TRANSITIONS=29} [2024-11-19 13:54:57,194 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 48 predicate places. [2024-11-19 13:54:57,194 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 29 transitions, 180 flow [2024-11-19 13:54:57,194 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) [2024-11-19 13:54:57,194 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:54:57,194 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:54:57,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-19 13:54:57,194 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-19 13:54:57,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:54:57,195 INFO L85 PathProgramCache]: Analyzing trace with hash 946928395, now seen corresponding path program 3 times [2024-11-19 13:54:57,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:54:57,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655656724] [2024-11-19 13:54:57,195 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 13:54:57,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:54:57,210 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 13:54:57,211 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:54:57,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:54:57,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:54:57,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655656724] [2024-11-19 13:54:57,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655656724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:54:57,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:54:57,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:54:57,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919863932] [2024-11-19 13:54:57,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:54:57,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:54:57,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:54:57,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:54:57,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:54:57,542 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-19 13:54:57,542 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 29 transitions, 180 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) [2024-11-19 13:54:57,542 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:54:57,542 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-19 13:54:57,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:54:57,759 INFO L124 PetriNetUnfolderBase]: 44/101 cut-off events. [2024-11-19 13:54:57,759 INFO L125 PetriNetUnfolderBase]: For 114/114 co-relation queries the response was YES. [2024-11-19 13:54:57,759 INFO L83 FinitePrefix]: Finished finitePrefix Result has 426 conditions, 101 events. 44/101 cut-off events. For 114/114 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 257 event pairs, 4 based on Foata normal form. 8/109 useless extension candidates. Maximal degree in co-relation 418. Up to 28 conditions per place. [2024-11-19 13:54:57,759 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 0 selfloop transitions, 0 changer transitions 44/44 dead transitions. [2024-11-19 13:54:57,760 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 44 transitions, 310 flow [2024-11-19 13:54:57,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 13:54:57,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 13:54:57,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 95 transitions. [2024-11-19 13:54:57,760 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2149321266968326 [2024-11-19 13:54:57,760 INFO L175 Difference]: Start difference. First operand has 83 places, 29 transitions, 180 flow. Second operand 13 states and 95 transitions. [2024-11-19 13:54:57,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 44 transitions, 310 flow [2024-11-19 13:54:57,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 44 transitions, 243 flow, removed 1 selfloop flow, removed 19 redundant places. [2024-11-19 13:54:57,761 INFO L231 Difference]: Finished difference. Result has 54 places, 0 transitions, 0 flow [2024-11-19 13:54:57,761 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=0, PETRI_PLACES=54, PETRI_TRANSITIONS=0} [2024-11-19 13:54:57,762 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 19 predicate places. [2024-11-19 13:54:57,762 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 0 transitions, 0 flow [2024-11-19 13:54:57,762 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) [2024-11-19 13:54:57,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2024-11-19 13:54:57,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2024-11-19 13:54:57,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-19 13:54:57,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-19 13:54:57,766 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-19 13:54:57,766 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-19 13:54:57,766 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-19 13:54:57,766 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-19 13:54:57,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-19 13:54:57,766 INFO L407 BasicCegarLoop]: Path program histogram: [4, 3, 3, 3, 3, 3, 1, 1, 1] [2024-11-19 13:54:57,771 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-19 13:54:57,772 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:54:57,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:54:57 BasicIcfg [2024-11-19 13:54:57,776 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:54:57,776 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:54:57,776 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:54:57,777 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:54:57,777 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:54:39" (3/4) ... [2024-11-19 13:54:57,779 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 13:54:57,781 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2024-11-19 13:54:57,786 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 120 nodes and edges [2024-11-19 13:54:57,786 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2024-11-19 13:54:57,786 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-19 13:54:57,786 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 13:54:57,876 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 13:54:57,877 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 13:54:57,880 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:54:57,881 INFO L158 Benchmark]: Toolchain (without parser) took 19960.90ms. Allocated memory was 220.2MB in the beginning and 778.0MB in the end (delta: 557.8MB). Free memory was 189.7MB in the beginning and 500.7MB in the end (delta: -311.0MB). Peak memory consumption was 245.7MB. Max. memory is 16.1GB. [2024-11-19 13:54:57,881 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 130.0MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:54:57,881 INFO L158 Benchmark]: CACSL2BoogieTranslator took 610.26ms. Allocated memory is still 220.2MB. Free memory was 189.7MB in the beginning and 153.2MB in the end (delta: 36.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-19 13:54:57,881 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.01ms. Allocated memory is still 220.2MB. Free memory was 153.2MB in the beginning and 149.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 13:54:57,881 INFO L158 Benchmark]: Boogie Preprocessor took 88.25ms. Allocated memory is still 220.2MB. Free memory was 149.9MB in the beginning and 145.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 13:54:57,881 INFO L158 Benchmark]: RCFGBuilder took 778.43ms. Allocated memory is still 220.2MB. Free memory was 145.7MB in the beginning and 165.7MB in the end (delta: -20.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-19 13:54:57,882 INFO L158 Benchmark]: TraceAbstraction took 18310.41ms. Allocated memory was 220.2MB in the beginning and 778.0MB in the end (delta: 557.8MB). Free memory was 165.7MB in the beginning and 507.0MB in the end (delta: -341.3MB). Peak memory consumption was 218.7MB. Max. memory is 16.1GB. [2024-11-19 13:54:57,882 INFO L158 Benchmark]: Witness Printer took 103.81ms. Allocated memory is still 778.0MB. Free memory was 507.0MB in the beginning and 500.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-19 13:54:57,883 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 130.0MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 610.26ms. Allocated memory is still 220.2MB. Free memory was 189.7MB in the beginning and 153.2MB in the end (delta: 36.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.01ms. Allocated memory is still 220.2MB. Free memory was 153.2MB in the beginning and 149.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.25ms. Allocated memory is still 220.2MB. Free memory was 149.9MB in the beginning and 145.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 778.43ms. Allocated memory is still 220.2MB. Free memory was 145.7MB in the beginning and 165.7MB in the end (delta: -20.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 18310.41ms. Allocated memory was 220.2MB in the beginning and 778.0MB in the end (delta: 557.8MB). Free memory was 165.7MB in the beginning and 507.0MB in the end (delta: -341.3MB). Peak memory consumption was 218.7MB. Max. memory is 16.1GB. * Witness Printer took 103.81ms. Allocated memory is still 778.0MB. Free memory was 507.0MB in the beginning and 500.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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: 18.2s, OverallIterations: 22, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 11.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1518 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1517 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 241 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6998 IncrementalHoareTripleChecker+Invalid, 7239 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 241 mSolverCounterUnsat, 0 mSDtfsCounter, 6998 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 354 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 318 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 930 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1661occurred in iteration=9, InterpolantAutomatonStates: 304, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 262 ConstructedInterpolants, 0 QuantifiedInterpolants, 2383 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-19 13:54:57,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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