./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 023d838f 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8e0b8e6efb6fc18f3ca2ba094d3acbfc6a07fbc0100e70485e3a3a84ea56105b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:01:32,855 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:01:32,921 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-10 18:01:32,928 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:01:32,929 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:01:32,956 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:01:32,958 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:01:32,959 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:01:32,959 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:01:32,960 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:01:32,960 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:01:32,961 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:01:32,961 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:01:32,961 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:01:32,962 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:01:32,962 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:01:32,968 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:01:32,968 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:01:32,968 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:01:32,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:01:32,969 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-10 18:01:32,972 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-10 18:01:32,972 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-10 18:01:32,973 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:01:32,973 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 18:01:32,973 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:01:32,973 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:01:32,973 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:01:32,973 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:01:32,974 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:01:32,974 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:01:32,974 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:01:32,974 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:01:32,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:01:32,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:01:32,975 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:01:32,975 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:01:32,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:01:32,975 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:01:32,975 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:01:32,976 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:01:32,980 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:01:32,981 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e0b8e6efb6fc18f3ca2ba094d3acbfc6a07fbc0100e70485e3a3a84ea56105b [2024-11-10 18:01:33,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:01:33,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:01:33,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:01:33,233 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:01:33,233 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:01:33,235 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-10 18:01:34,556 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:01:34,783 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:01:34,784 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-10 18:01:34,795 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a453d5b5/4f054437a52941958e641af07a723e82/FLAG619234699 [2024-11-10 18:01:35,127 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a453d5b5/4f054437a52941958e641af07a723e82 [2024-11-10 18:01:35,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:01:35,131 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:01:35,132 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:01:35,132 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:01:35,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:01:35,140 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:01:35" (1/1) ... [2024-11-10 18:01:35,141 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@732ef6a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:01:35, skipping insertion in model container [2024-11-10 18:01:35,141 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:01:35" (1/1) ... [2024-11-10 18:01:35,174 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:01:35,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:01:35,513 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:01:35,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:01:35,587 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:01:35,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:01:35 WrapperNode [2024-11-10 18:01:35,588 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:01:35,589 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:01:35,589 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:01:35,589 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:01:35,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:01:35" (1/1) ... [2024-11-10 18:01:35,608 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:01:35" (1/1) ... [2024-11-10 18:01:35,627 INFO L138 Inliner]: procedures = 175, calls = 42, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2024-11-10 18:01:35,627 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:01:35,628 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:01:35,628 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:01:35,629 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:01:35,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:01:35" (1/1) ... [2024-11-10 18:01:35,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:01:35" (1/1) ... [2024-11-10 18:01:35,640 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:01:35" (1/1) ... [2024-11-10 18:01:35,653 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 18:01:35,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:01:35" (1/1) ... [2024-11-10 18:01:35,654 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:01:35" (1/1) ... [2024-11-10 18:01:35,661 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:01:35" (1/1) ... [2024-11-10 18:01:35,662 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:01:35" (1/1) ... [2024-11-10 18:01:35,663 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:01:35" (1/1) ... [2024-11-10 18:01:35,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:01:35" (1/1) ... [2024-11-10 18:01:35,671 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:01:35,671 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:01:35,672 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:01:35,672 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:01:35,677 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:01:35" (1/1) ... [2024-11-10 18:01:35,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:01:35,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:01:35,707 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) [2024-11-10 18:01:35,709 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 [2024-11-10 18:01:35,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-10 18:01:35,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:01:35,748 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-10 18:01:35,748 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-10 18:01:35,748 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-10 18:01:35,748 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-10 18:01:35,748 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-10 18:01:35,748 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-10 18:01:35,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:01:35,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-10 18:01:35,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:01:35,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:01:35,750 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 18:01:35,847 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:01:35,850 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:01:35,973 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 18:01:35,974 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:01:36,056 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:01:36,056 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:01:36,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:01:36 BoogieIcfgContainer [2024-11-10 18:01:36,057 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:01:36,059 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:01:36,059 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:01:36,062 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:01:36,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:01:35" (1/3) ... [2024-11-10 18:01:36,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d606bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:01:36, skipping insertion in model container [2024-11-10 18:01:36,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:01:35" (2/3) ... [2024-11-10 18:01:36,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d606bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:01:36, skipping insertion in model container [2024-11-10 18:01:36,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:01:36" (3/3) ... [2024-11-10 18:01:36,067 INFO L112 eAbstractionObserver]: Analyzing ICFG safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-10 18:01:36,082 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:01:36,082 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 18:01:36,082 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 18:01:36,129 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 18:01:36,165 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 43 transitions, 98 flow [2024-11-10 18:01:36,194 INFO L124 PetriNetUnfolderBase]: 2/40 cut-off events. [2024-11-10 18:01:36,194 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 18:01:36,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 40 events. 2/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 74 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2024-11-10 18:01:36,201 INFO L82 GeneralOperation]: Start removeDead. Operand has 51 places, 43 transitions, 98 flow [2024-11-10 18:01:36,204 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 47 places, 39 transitions, 87 flow [2024-11-10 18:01:36,216 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:01:36,221 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=None, 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;@467cb685, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:01:36,222 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-10 18:01:36,231 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 18:01:36,233 INFO L124 PetriNetUnfolderBase]: 2/37 cut-off events. [2024-11-10 18:01:36,233 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 18:01:36,234 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:01:36,234 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:01:36,235 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-10 18:01:36,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:01:36,240 INFO L85 PathProgramCache]: Analyzing trace with hash -936868436, now seen corresponding path program 1 times [2024-11-10 18:01:36,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:01:36,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159224888] [2024-11-10 18:01:36,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:01:36,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:01:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:01:36,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:01:36,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:01:36,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159224888] [2024-11-10 18:01:36,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159224888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:01:36,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:01:36,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 18:01:36,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57505911] [2024-11-10 18:01:36,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:01:36,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:01:36,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:01:36,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:01:36,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:01:36,597 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 43 [2024-11-10 18:01:36,599 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 39 transitions, 87 flow. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:01:36,599 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:01:36,599 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 43 [2024-11-10 18:01:36,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:01:37,170 INFO L124 PetriNetUnfolderBase]: 4626/7240 cut-off events. [2024-11-10 18:01:37,170 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2024-11-10 18:01:37,188 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13932 conditions, 7240 events. 4626/7240 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 287. Compared 42720 event pairs, 4626 based on Foata normal form. 630/7864 useless extension candidates. Maximal degree in co-relation 13921. Up to 6601 conditions per place. [2024-11-10 18:01:37,220 INFO L140 encePairwiseOnDemand]: 39/43 looper letters, 27 selfloop transitions, 1 changer transitions 1/35 dead transitions. [2024-11-10 18:01:37,220 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 35 transitions, 137 flow [2024-11-10 18:01:37,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:01:37,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 18:01:37,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 59 transitions. [2024-11-10 18:01:37,232 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4573643410852713 [2024-11-10 18:01:37,234 INFO L175 Difference]: Start difference. First operand has 47 places, 39 transitions, 87 flow. Second operand 3 states and 59 transitions. [2024-11-10 18:01:37,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 35 transitions, 137 flow [2024-11-10 18:01:37,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 35 transitions, 134 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-10 18:01:37,242 INFO L231 Difference]: Finished difference. Result has 44 places, 34 transitions, 76 flow [2024-11-10 18:01:37,244 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=44, PETRI_TRANSITIONS=34} [2024-11-10 18:01:37,248 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, -3 predicate places. [2024-11-10 18:01:37,248 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 34 transitions, 76 flow [2024-11-10 18:01:37,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:01:37,249 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:01:37,249 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:01:37,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:01:37,251 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-10 18:01:37,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:01:37,253 INFO L85 PathProgramCache]: Analyzing trace with hash -936868005, now seen corresponding path program 1 times [2024-11-10 18:01:37,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:01:37,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398581668] [2024-11-10 18:01:37,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:01:37,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:01:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:01:37,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:01:37,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:01:37,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398581668] [2024-11-10 18:01:37,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398581668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:01:37,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:01:37,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:01:37,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162843317] [2024-11-10 18:01:37,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:01:37,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:01:37,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:01:37,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:01:37,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:01:37,543 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 43 [2024-11-10 18:01:37,543 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 34 transitions, 76 flow. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 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) [2024-11-10 18:01:37,543 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:01:37,543 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 43 [2024-11-10 18:01:37,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:01:38,396 INFO L124 PetriNetUnfolderBase]: 9126/13525 cut-off events. [2024-11-10 18:01:38,397 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 18:01:38,408 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26766 conditions, 13525 events. 9126/13525 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 544. Compared 82813 event pairs, 2230 based on Foata normal form. 0/13198 useless extension candidates. Maximal degree in co-relation 26760. Up to 5242 conditions per place. [2024-11-10 18:01:38,443 INFO L140 encePairwiseOnDemand]: 34/43 looper letters, 47 selfloop transitions, 5 changer transitions 93/150 dead transitions. [2024-11-10 18:01:38,443 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 150 transitions, 602 flow [2024-11-10 18:01:38,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 18:01:38,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-10 18:01:38,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 228 transitions. [2024-11-10 18:01:38,446 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5891472868217055 [2024-11-10 18:01:38,446 INFO L175 Difference]: Start difference. First operand has 44 places, 34 transitions, 76 flow. Second operand 9 states and 228 transitions. [2024-11-10 18:01:38,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 150 transitions, 602 flow [2024-11-10 18:01:38,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 150 transitions, 601 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 18:01:38,450 INFO L231 Difference]: Finished difference. Result has 56 places, 36 transitions, 126 flow [2024-11-10 18:01:38,450 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=126, PETRI_PLACES=56, PETRI_TRANSITIONS=36} [2024-11-10 18:01:38,450 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 9 predicate places. [2024-11-10 18:01:38,451 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 36 transitions, 126 flow [2024-11-10 18:01:38,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 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) [2024-11-10 18:01:38,451 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:01:38,451 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:01:38,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:01:38,452 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-10 18:01:38,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:01:38,452 INFO L85 PathProgramCache]: Analyzing trace with hash -380704390, now seen corresponding path program 1 times [2024-11-10 18:01:38,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:01:38,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062713924] [2024-11-10 18:01:38,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:01:38,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:01:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:01:38,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:01:38,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:01:38,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062713924] [2024-11-10 18:01:38,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062713924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:01:38,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:01:38,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 18:01:38,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582138386] [2024-11-10 18:01:38,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:01:38,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:01:38,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:01:38,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:01:38,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:01:38,572 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 43 [2024-11-10 18:01:38,572 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 36 transitions, 126 flow. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:01:38,572 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:01:38,572 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 43 [2024-11-10 18:01:38,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:01:39,352 INFO L124 PetriNetUnfolderBase]: 6878/10337 cut-off events. [2024-11-10 18:01:39,352 INFO L125 PetriNetUnfolderBase]: For 6058/6073 co-relation queries the response was YES. [2024-11-10 18:01:39,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25339 conditions, 10337 events. 6878/10337 cut-off events. For 6058/6073 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 60640 event pairs, 744 based on Foata normal form. 260/10591 useless extension candidates. Maximal degree in co-relation 25326. Up to 4333 conditions per place. [2024-11-10 18:01:39,390 INFO L140 encePairwiseOnDemand]: 35/43 looper letters, 56 selfloop transitions, 6 changer transitions 74/141 dead transitions. [2024-11-10 18:01:39,390 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 141 transitions, 697 flow [2024-11-10 18:01:39,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 18:01:39,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-10 18:01:39,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 228 transitions. [2024-11-10 18:01:39,394 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5302325581395348 [2024-11-10 18:01:39,394 INFO L175 Difference]: Start difference. First operand has 56 places, 36 transitions, 126 flow. Second operand 10 states and 228 transitions. [2024-11-10 18:01:39,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 141 transitions, 697 flow [2024-11-10 18:01:39,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 141 transitions, 659 flow, removed 14 selfloop flow, removed 4 redundant places. [2024-11-10 18:01:39,462 INFO L231 Difference]: Finished difference. Result has 62 places, 37 transitions, 151 flow [2024-11-10 18:01:39,462 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=113, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=151, PETRI_PLACES=62, PETRI_TRANSITIONS=37} [2024-11-10 18:01:39,462 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 15 predicate places. [2024-11-10 18:01:39,463 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 37 transitions, 151 flow [2024-11-10 18:01:39,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:01:39,463 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:01:39,463 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:01:39,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 18:01:39,463 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-10 18:01:39,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:01:39,464 INFO L85 PathProgramCache]: Analyzing trace with hash 2022955002, now seen corresponding path program 1 times [2024-11-10 18:01:39,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:01:39,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096665748] [2024-11-10 18:01:39,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:01:39,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:01:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:01:39,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:01:39,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:01:39,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096665748] [2024-11-10 18:01:39,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096665748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:01:39,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:01:39,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 18:01:39,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165381903] [2024-11-10 18:01:39,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:01:39,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:01:39,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:01:39,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:01:39,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:01:39,571 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 43 [2024-11-10 18:01:39,571 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 37 transitions, 151 flow. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:01:39,572 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:01:39,572 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 43 [2024-11-10 18:01:39,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:01:40,328 INFO L124 PetriNetUnfolderBase]: 6819/10258 cut-off events. [2024-11-10 18:01:40,329 INFO L125 PetriNetUnfolderBase]: For 14289/14289 co-relation queries the response was YES. [2024-11-10 18:01:40,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27520 conditions, 10258 events. 6819/10258 cut-off events. For 14289/14289 co-relation queries the response was YES. Maximal size of possible extension queue 388. Compared 60902 event pairs, 564 based on Foata normal form. 295/10551 useless extension candidates. Maximal degree in co-relation 27501. Up to 4748 conditions per place. [2024-11-10 18:01:40,374 INFO L140 encePairwiseOnDemand]: 36/43 looper letters, 55 selfloop transitions, 7 changer transitions 68/135 dead transitions. [2024-11-10 18:01:40,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 135 transitions, 724 flow [2024-11-10 18:01:40,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 18:01:40,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-10 18:01:40,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 222 transitions. [2024-11-10 18:01:40,376 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5162790697674419 [2024-11-10 18:01:40,376 INFO L175 Difference]: Start difference. First operand has 62 places, 37 transitions, 151 flow. Second operand 10 states and 222 transitions. [2024-11-10 18:01:40,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 135 transitions, 724 flow [2024-11-10 18:01:40,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 135 transitions, 658 flow, removed 24 selfloop flow, removed 8 redundant places. [2024-11-10 18:01:40,444 INFO L231 Difference]: Finished difference. Result has 64 places, 38 transitions, 166 flow [2024-11-10 18:01:40,445 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=166, PETRI_PLACES=64, PETRI_TRANSITIONS=38} [2024-11-10 18:01:40,446 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 17 predicate places. [2024-11-10 18:01:40,447 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 38 transitions, 166 flow [2024-11-10 18:01:40,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:01:40,448 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:01:40,448 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:01:40,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 18:01:40,448 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-10 18:01:40,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:01:40,449 INFO L85 PathProgramCache]: Analyzing trace with hash -995215837, now seen corresponding path program 1 times [2024-11-10 18:01:40,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:01:40,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126629345] [2024-11-10 18:01:40,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:01:40,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:01:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:01:40,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:01:40,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:01:40,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126629345] [2024-11-10 18:01:40,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126629345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:01:40,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:01:40,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 18:01:40,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086474021] [2024-11-10 18:01:40,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:01:40,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:01:40,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:01:40,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:01:40,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:01:40,579 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 43 [2024-11-10 18:01:40,579 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 38 transitions, 166 flow. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:01:40,579 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:01:40,579 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 43 [2024-11-10 18:01:40,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:01:41,434 INFO L124 PetriNetUnfolderBase]: 9029/13570 cut-off events. [2024-11-10 18:01:41,434 INFO L125 PetriNetUnfolderBase]: For 15228/15234 co-relation queries the response was YES. [2024-11-10 18:01:41,453 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35248 conditions, 13570 events. 9029/13570 cut-off events. For 15228/15234 co-relation queries the response was YES. Maximal size of possible extension queue 483. Compared 82286 event pairs, 1487 based on Foata normal form. 270/13838 useless extension candidates. Maximal degree in co-relation 35228. Up to 5972 conditions per place. [2024-11-10 18:01:41,532 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 53 selfloop transitions, 4 changer transitions 70/132 dead transitions. [2024-11-10 18:01:41,532 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 132 transitions, 803 flow [2024-11-10 18:01:41,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 18:01:41,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-10 18:01:41,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 184 transitions. [2024-11-10 18:01:41,533 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5348837209302325 [2024-11-10 18:01:41,533 INFO L175 Difference]: Start difference. First operand has 64 places, 38 transitions, 166 flow. Second operand 8 states and 184 transitions. [2024-11-10 18:01:41,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 132 transitions, 803 flow [2024-11-10 18:01:41,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 132 transitions, 729 flow, removed 17 selfloop flow, removed 8 redundant places. [2024-11-10 18:01:41,580 INFO L231 Difference]: Finished difference. Result has 63 places, 38 transitions, 167 flow [2024-11-10 18:01:41,580 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=167, PETRI_PLACES=63, PETRI_TRANSITIONS=38} [2024-11-10 18:01:41,580 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 16 predicate places. [2024-11-10 18:01:41,581 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 38 transitions, 167 flow [2024-11-10 18:01:41,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:01:41,581 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:01:41,581 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:01:41,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 18:01:41,581 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-10 18:01:41,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:01:41,582 INFO L85 PathProgramCache]: Analyzing trace with hash -216377286, now seen corresponding path program 1 times [2024-11-10 18:01:41,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:01:41,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195738344] [2024-11-10 18:01:41,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:01:41,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:01:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:01:41,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:01:41,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:01:41,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195738344] [2024-11-10 18:01:41,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195738344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:01:41,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:01:41,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:01:41,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609295864] [2024-11-10 18:01:41,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:01:41,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:01:41,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:01:41,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:01:41,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:01:41,665 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 43 [2024-11-10 18:01:41,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 38 transitions, 167 flow. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:01:41,665 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:01:41,665 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 43 [2024-11-10 18:01:41,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:01:41,923 INFO L124 PetriNetUnfolderBase]: 3982/6319 cut-off events. [2024-11-10 18:01:41,924 INFO L125 PetriNetUnfolderBase]: For 5583/5592 co-relation queries the response was YES. [2024-11-10 18:01:41,934 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16186 conditions, 6319 events. 3982/6319 cut-off events. For 5583/5592 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 36359 event pairs, 649 based on Foata normal form. 271/6585 useless extension candidates. Maximal degree in co-relation 16165. Up to 3504 conditions per place. [2024-11-10 18:01:41,947 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 70 selfloop transitions, 5 changer transitions 1/81 dead transitions. [2024-11-10 18:01:41,948 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 81 transitions, 515 flow [2024-11-10 18:01:41,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:01:41,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 18:01:41,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 103 transitions. [2024-11-10 18:01:41,949 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5988372093023255 [2024-11-10 18:01:41,949 INFO L175 Difference]: Start difference. First operand has 63 places, 38 transitions, 167 flow. Second operand 4 states and 103 transitions. [2024-11-10 18:01:41,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 81 transitions, 515 flow [2024-11-10 18:01:42,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 81 transitions, 479 flow, removed 6 selfloop flow, removed 8 redundant places. [2024-11-10 18:01:42,018 INFO L231 Difference]: Finished difference. Result has 56 places, 41 transitions, 179 flow [2024-11-10 18:01:42,019 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=179, PETRI_PLACES=56, PETRI_TRANSITIONS=41} [2024-11-10 18:01:42,019 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 9 predicate places. [2024-11-10 18:01:42,019 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 41 transitions, 179 flow [2024-11-10 18:01:42,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:01:42,020 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:01:42,020 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:01:42,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 18:01:42,020 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-10 18:01:42,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:01:42,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1697683183, now seen corresponding path program 1 times [2024-11-10 18:01:42,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:01:42,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65310989] [2024-11-10 18:01:42,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:01:42,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:01:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:01:42,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:01:42,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:01:42,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65310989] [2024-11-10 18:01:42,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65310989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:01:42,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:01:42,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:01:42,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677899175] [2024-11-10 18:01:42,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:01:42,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:01:42,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:01:42,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:01:42,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:01:42,123 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 43 [2024-11-10 18:01:42,123 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 41 transitions, 179 flow. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:01:42,123 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:01:42,123 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 43 [2024-11-10 18:01:42,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:01:42,389 INFO L124 PetriNetUnfolderBase]: 2377/3799 cut-off events. [2024-11-10 18:01:42,390 INFO L125 PetriNetUnfolderBase]: For 3106/3115 co-relation queries the response was YES. [2024-11-10 18:01:42,396 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10318 conditions, 3799 events. 2377/3799 cut-off events. For 3106/3115 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 19373 event pairs, 333 based on Foata normal form. 210/4004 useless extension candidates. Maximal degree in co-relation 10301. Up to 1305 conditions per place. [2024-11-10 18:01:42,405 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 79 selfloop transitions, 8 changer transitions 2/94 dead transitions. [2024-11-10 18:01:42,405 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 94 transitions, 582 flow [2024-11-10 18:01:42,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:01:42,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 18:01:42,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 129 transitions. [2024-11-10 18:01:42,406 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6 [2024-11-10 18:01:42,407 INFO L175 Difference]: Start difference. First operand has 56 places, 41 transitions, 179 flow. Second operand 5 states and 129 transitions. [2024-11-10 18:01:42,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 94 transitions, 582 flow [2024-11-10 18:01:42,411 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 94 transitions, 563 flow, removed 2 selfloop flow, removed 3 redundant places. [2024-11-10 18:01:42,412 INFO L231 Difference]: Finished difference. Result has 59 places, 44 transitions, 213 flow [2024-11-10 18:01:42,412 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=165, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=213, PETRI_PLACES=59, PETRI_TRANSITIONS=44} [2024-11-10 18:01:42,412 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 12 predicate places. [2024-11-10 18:01:42,413 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 44 transitions, 213 flow [2024-11-10 18:01:42,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:01:42,413 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:01:42,413 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:01:42,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 18:01:42,413 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-10 18:01:42,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:01:42,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1744425696, now seen corresponding path program 1 times [2024-11-10 18:01:42,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:01:42,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384919758] [2024-11-10 18:01:42,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:01:42,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:01:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:01:42,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:01:42,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:01:42,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384919758] [2024-11-10 18:01:42,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384919758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:01:42,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:01:42,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 18:01:42,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305422369] [2024-11-10 18:01:42,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:01:42,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:01:42,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:01:42,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:01:42,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:01:42,505 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 43 [2024-11-10 18:01:42,505 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 44 transitions, 213 flow. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:01:42,505 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:01:42,505 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 43 [2024-11-10 18:01:42,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:01:42,747 INFO L124 PetriNetUnfolderBase]: 1420/2236 cut-off events. [2024-11-10 18:01:42,747 INFO L125 PetriNetUnfolderBase]: For 3019/3028 co-relation queries the response was YES. [2024-11-10 18:01:42,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6619 conditions, 2236 events. 1420/2236 cut-off events. For 3019/3028 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 10117 event pairs, 256 based on Foata normal form. 92/2323 useless extension candidates. Maximal degree in co-relation 6601. Up to 766 conditions per place. [2024-11-10 18:01:42,757 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 62 selfloop transitions, 11 changer transitions 8/86 dead transitions. [2024-11-10 18:01:42,757 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 86 transitions, 538 flow [2024-11-10 18:01:42,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:01:42,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 18:01:42,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 132 transitions. [2024-11-10 18:01:42,758 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5116279069767442 [2024-11-10 18:01:42,758 INFO L175 Difference]: Start difference. First operand has 59 places, 44 transitions, 213 flow. Second operand 6 states and 132 transitions. [2024-11-10 18:01:42,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 86 transitions, 538 flow [2024-11-10 18:01:42,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 86 transitions, 501 flow, removed 7 selfloop flow, removed 5 redundant places. [2024-11-10 18:01:42,766 INFO L231 Difference]: Finished difference. Result has 61 places, 44 transitions, 218 flow [2024-11-10 18:01:42,766 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=218, PETRI_PLACES=61, PETRI_TRANSITIONS=44} [2024-11-10 18:01:42,768 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 14 predicate places. [2024-11-10 18:01:42,769 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 44 transitions, 218 flow [2024-11-10 18:01:42,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:01:42,769 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:01:42,769 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:01:42,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 18:01:42,770 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-10 18:01:42,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:01:42,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1017136792, now seen corresponding path program 1 times [2024-11-10 18:01:42,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:01:42,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502999391] [2024-11-10 18:01:42,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:01:42,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:01:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:01:42,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:01:42,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:01:42,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502999391] [2024-11-10 18:01:42,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502999391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:01:42,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:01:42,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 18:01:42,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310066693] [2024-11-10 18:01:42,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:01:42,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:01:42,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:01:42,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:01:42,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:01:42,893 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 43 [2024-11-10 18:01:42,893 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 44 transitions, 218 flow. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:01:42,893 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:01:42,893 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 43 [2024-11-10 18:01:42,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:01:43,070 INFO L124 PetriNetUnfolderBase]: 1544/2431 cut-off events. [2024-11-10 18:01:43,070 INFO L125 PetriNetUnfolderBase]: For 3055/3055 co-relation queries the response was YES. [2024-11-10 18:01:43,074 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7162 conditions, 2431 events. 1544/2431 cut-off events. For 3055/3055 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 11038 event pairs, 232 based on Foata normal form. 8/2437 useless extension candidates. Maximal degree in co-relation 7144. Up to 1201 conditions per place. [2024-11-10 18:01:43,078 INFO L140 encePairwiseOnDemand]: 36/43 looper letters, 43 selfloop transitions, 4 changer transitions 29/81 dead transitions. [2024-11-10 18:01:43,078 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 81 transitions, 529 flow [2024-11-10 18:01:43,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:01:43,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 18:01:43,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 118 transitions. [2024-11-10 18:01:43,082 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4573643410852713 [2024-11-10 18:01:43,082 INFO L175 Difference]: Start difference. First operand has 61 places, 44 transitions, 218 flow. Second operand 6 states and 118 transitions. [2024-11-10 18:01:43,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 81 transitions, 529 flow [2024-11-10 18:01:43,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 81 transitions, 408 flow, removed 24 selfloop flow, removed 10 redundant places. [2024-11-10 18:01:43,092 INFO L231 Difference]: Finished difference. Result has 59 places, 39 transitions, 141 flow [2024-11-10 18:01:43,092 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=141, PETRI_PLACES=59, PETRI_TRANSITIONS=39} [2024-11-10 18:01:43,093 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 12 predicate places. [2024-11-10 18:01:43,094 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 39 transitions, 141 flow [2024-11-10 18:01:43,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:01:43,094 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:01:43,094 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:01:43,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 18:01:43,094 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-10 18:01:43,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:01:43,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1846895306, now seen corresponding path program 2 times [2024-11-10 18:01:43,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:01:43,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320519311] [2024-11-10 18:01:43,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:01:43,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:01:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:01:43,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:01:43,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:01:43,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320519311] [2024-11-10 18:01:43,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320519311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:01:43,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:01:43,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 18:01:43,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117650234] [2024-11-10 18:01:43,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:01:43,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:01:43,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:01:43,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:01:43,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:01:43,201 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 43 [2024-11-10 18:01:43,201 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 39 transitions, 141 flow. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:01:43,201 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:01:43,201 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 43 [2024-11-10 18:01:43,201 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:01:43,325 INFO L124 PetriNetUnfolderBase]: 506/804 cut-off events. [2024-11-10 18:01:43,325 INFO L125 PetriNetUnfolderBase]: For 314/314 co-relation queries the response was YES. [2024-11-10 18:01:43,327 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2010 conditions, 804 events. 506/804 cut-off events. For 314/314 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2702 event pairs, 126 based on Foata normal form. 8/812 useless extension candidates. Maximal degree in co-relation 2002. Up to 444 conditions per place. [2024-11-10 18:01:43,327 INFO L140 encePairwiseOnDemand]: 38/43 looper letters, 0 selfloop transitions, 0 changer transitions 54/54 dead transitions. [2024-11-10 18:01:43,328 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 54 transitions, 281 flow [2024-11-10 18:01:43,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:01:43,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 18:01:43,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 98 transitions. [2024-11-10 18:01:43,329 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3798449612403101 [2024-11-10 18:01:43,329 INFO L175 Difference]: Start difference. First operand has 59 places, 39 transitions, 141 flow. Second operand 6 states and 98 transitions. [2024-11-10 18:01:43,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 54 transitions, 281 flow [2024-11-10 18:01:43,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 54 transitions, 251 flow, removed 4 selfloop flow, removed 9 redundant places. [2024-11-10 18:01:43,330 INFO L231 Difference]: Finished difference. Result has 50 places, 0 transitions, 0 flow [2024-11-10 18:01:43,330 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=50, PETRI_TRANSITIONS=0} [2024-11-10 18:01:43,330 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 3 predicate places. [2024-11-10 18:01:43,331 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 0 transitions, 0 flow [2024-11-10 18:01:43,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:01:43,334 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-11-10 18:01:43,336 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-11-10 18:01:43,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-10 18:01:43,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-11-10 18:01:43,337 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-11-10 18:01:43,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 18:01:43,338 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:01:43,342 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 18:01:43,342 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 18:01:43,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:01:43 BasicIcfg [2024-11-10 18:01:43,346 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 18:01:43,347 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 18:01:43,347 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 18:01:43,347 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 18:01:43,347 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:01:36" (3/4) ... [2024-11-10 18:01:43,349 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 18:01:43,352 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-10 18:01:43,352 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-10 18:01:43,352 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-10 18:01:43,355 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2024-11-10 18:01:43,356 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-10 18:01:43,356 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-10 18:01:43,356 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-10 18:01:43,426 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 18:01:43,426 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 18:01:43,426 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 18:01:43,427 INFO L158 Benchmark]: Toolchain (without parser) took 8296.53ms. Allocated memory was 184.5MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 125.5MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 528.3MB. Max. memory is 16.1GB. [2024-11-10 18:01:43,427 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 184.5MB. Free memory is still 149.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:01:43,427 INFO L158 Benchmark]: CACSL2BoogieTranslator took 456.86ms. Allocated memory is still 184.5MB. Free memory was 125.1MB in the beginning and 102.7MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 18:01:43,428 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.39ms. Allocated memory is still 184.5MB. Free memory was 102.7MB in the beginning and 100.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:01:43,428 INFO L158 Benchmark]: Boogie Preprocessor took 42.64ms. Allocated memory is still 184.5MB. Free memory was 100.3MB in the beginning and 98.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:01:43,428 INFO L158 Benchmark]: IcfgBuilder took 385.58ms. Allocated memory is still 184.5MB. Free memory was 98.2MB in the beginning and 77.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 18:01:43,428 INFO L158 Benchmark]: TraceAbstraction took 7287.39ms. Allocated memory was 184.5MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 76.8MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 475.9MB. Max. memory is 16.1GB. [2024-11-10 18:01:43,429 INFO L158 Benchmark]: Witness Printer took 79.91ms. Allocated memory is still 2.0GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 18:01:43,430 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 184.5MB. Free memory is still 149.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 456.86ms. Allocated memory is still 184.5MB. Free memory was 125.1MB in the beginning and 102.7MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.39ms. Allocated memory is still 184.5MB. Free memory was 102.7MB in the beginning and 100.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.64ms. Allocated memory is still 184.5MB. Free memory was 100.3MB in the beginning and 98.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 385.58ms. Allocated memory is still 184.5MB. Free memory was 98.2MB in the beginning and 77.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 7287.39ms. Allocated memory was 184.5MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 76.8MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 475.9MB. Max. memory is 16.1GB. * Witness Printer took 79.91ms. Allocated memory is still 2.0GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 773]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 17]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 66 locations, 5 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: 7.2s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 683 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 679 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1600 IncrementalHoareTripleChecker+Invalid, 1622 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 3 mSDtfsCounter, 1600 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=218occurred in iteration=8, InterpolantAutomatonStates: 67, 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, 1.1s InterpolantComputationTime, 213 NumberOfCodeBlocks, 213 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 203 ConstructedInterpolants, 0 QuantifiedInterpolants, 773 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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! [2024-11-10 18:01:43,457 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