./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 4633300b13c3e317f8d3cd1cc05f3f76ba271ffedabaa8599cd9617354fa2b7b --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 08:25:30,781 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 08:25:30,817 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-02-08 08:25:30,821 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 08:25:30,821 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 08:25:30,835 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 08:25:30,836 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 08:25:30,836 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 08:25:30,836 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 08:25:30,836 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 08:25:30,836 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 08:25:30,836 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 08:25:30,837 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 08:25:30,837 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 08:25:30,837 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 08:25:30,837 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 08:25:30,837 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 08:25:30,837 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 08:25:30,837 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 08:25:30,838 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 08:25:30,838 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 08:25:30,838 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 08:25:30,838 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-02-08 08:25:30,838 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 08:25:30,838 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 08:25:30,838 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 08:25:30,838 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 08:25:30,838 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 08:25:30,838 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 08:25:30,838 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 08:25:30,838 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 08:25:30,838 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 08:25:30,838 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 08:25:30,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:25:30,838 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 08:25:30,838 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 08:25:30,838 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 08:25:30,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 08:25:30,838 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 08:25:30,838 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 08:25:30,839 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 08:25:30,839 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 08:25:30,839 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/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 -> 4633300b13c3e317f8d3cd1cc05f3f76ba271ffedabaa8599cd9617354fa2b7b [2025-02-08 08:25:31,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 08:25:31,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 08:25:31,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 08:25:31,059 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 08:25:31,059 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 08:25:31,061 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2025-02-08 08:25:32,255 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fb98d2557/12f1361eefff44eea782483cb555365e/FLAG4d4a8c051 [2025-02-08 08:25:32,575 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 08:25:32,578 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2025-02-08 08:25:32,590 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fb98d2557/12f1361eefff44eea782483cb555365e/FLAG4d4a8c051 [2025-02-08 08:25:32,855 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fb98d2557/12f1361eefff44eea782483cb555365e [2025-02-08 08:25:32,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 08:25:32,858 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 08:25:32,859 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 08:25:32,859 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 08:25:32,862 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 08:25:32,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:25:32" (1/1) ... [2025-02-08 08:25:32,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fc18aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:25:32, skipping insertion in model container [2025-02-08 08:25:32,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:25:32" (1/1) ... [2025-02-08 08:25:32,880 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 08:25:33,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:25:33,080 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 08:25:33,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:25:33,146 INFO L204 MainTranslator]: Completed translation [2025-02-08 08:25:33,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:25:33 WrapperNode [2025-02-08 08:25:33,147 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 08:25:33,148 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 08:25:33,148 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 08:25:33,149 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 08:25:33,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:25:33" (1/1) ... [2025-02-08 08:25:33,161 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:25:33" (1/1) ... [2025-02-08 08:25:33,177 INFO L138 Inliner]: procedures = 176, calls = 47, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2025-02-08 08:25:33,178 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 08:25:33,178 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 08:25:33,178 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 08:25:33,178 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 08:25:33,183 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:25:33" (1/1) ... [2025-02-08 08:25:33,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:25:33" (1/1) ... [2025-02-08 08:25:33,185 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:25:33" (1/1) ... [2025-02-08 08:25:33,192 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]. [2025-02-08 08:25:33,197 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:25:33" (1/1) ... [2025-02-08 08:25:33,197 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:25:33" (1/1) ... [2025-02-08 08:25:33,200 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:25:33" (1/1) ... [2025-02-08 08:25:33,205 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:25:33" (1/1) ... [2025-02-08 08:25:33,206 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:25:33" (1/1) ... [2025-02-08 08:25:33,206 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:25:33" (1/1) ... [2025-02-08 08:25:33,208 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 08:25:33,208 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 08:25:33,211 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 08:25:33,211 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 08:25:33,212 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:25:33" (1/1) ... [2025-02-08 08:25:33,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:25:33,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:25:33,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 08:25:33,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 08:25:33,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-02-08 08:25:33,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 08:25:33,266 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-02-08 08:25:33,266 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-02-08 08:25:33,266 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-02-08 08:25:33,266 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-02-08 08:25:33,266 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-02-08 08:25:33,266 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-02-08 08:25:33,267 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2025-02-08 08:25:33,267 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2025-02-08 08:25:33,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 08:25:33,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-02-08 08:25:33,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 08:25:33,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 08:25:33,268 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 08:25:33,364 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 08:25:33,365 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 08:25:33,520 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 08:25:33,520 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 08:25:33,575 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 08:25:33,575 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 08:25:33,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:25:33 BoogieIcfgContainer [2025-02-08 08:25:33,575 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 08:25:33,577 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 08:25:33,577 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 08:25:33,580 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 08:25:33,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 08:25:32" (1/3) ... [2025-02-08 08:25:33,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@80f7378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:25:33, skipping insertion in model container [2025-02-08 08:25:33,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:25:33" (2/3) ... [2025-02-08 08:25:33,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@80f7378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:25:33, skipping insertion in model container [2025-02-08 08:25:33,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:25:33" (3/3) ... [2025-02-08 08:25:33,582 INFO L128 eAbstractionObserver]: Analyzing ICFG safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2025-02-08 08:25:33,591 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 08:25:33,593 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i that has 5 procedures, 49 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2025-02-08 08:25:33,593 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 08:25:33,627 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 08:25:33,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 61 places, 50 transitions, 116 flow [2025-02-08 08:25:33,670 INFO L124 PetriNetUnfolderBase]: 2/46 cut-off events. [2025-02-08 08:25:33,672 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 08:25:33,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 46 events. 2/46 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 82 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2025-02-08 08:25:33,674 INFO L82 GeneralOperation]: Start removeDead. Operand has 61 places, 50 transitions, 116 flow [2025-02-08 08:25:33,676 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 56 places, 45 transitions, 102 flow [2025-02-08 08:25:33,681 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 08:25:33,688 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;@766ead79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 08:25:33,689 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-02-08 08:25:33,698 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 08:25:33,698 INFO L124 PetriNetUnfolderBase]: 2/43 cut-off events. [2025-02-08 08:25:33,698 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 08:25:33,699 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:25:33,699 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:25:33,700 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-02-08 08:25:33,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:25:33,704 INFO L85 PathProgramCache]: Analyzing trace with hash 739841117, now seen corresponding path program 1 times [2025-02-08 08:25:33,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:25:33,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098981512] [2025-02-08 08:25:33,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:25:33,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:25:33,764 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-08 08:25:33,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-08 08:25:33,778 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:25:33,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:25:33,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:25:33,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:25:33,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098981512] [2025-02-08 08:25:33,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098981512] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:25:33,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:25:33,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 08:25:33,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644741003] [2025-02-08 08:25:33,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:25:33,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 08:25:33,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:25:33,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 08:25:33,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:25:33,924 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 50 [2025-02-08 08:25:33,925 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 45 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:25:33,925 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:25:33,925 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 50 [2025-02-08 08:25:33,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:25:36,516 INFO L124 PetriNetUnfolderBase]: 26557/37849 cut-off events. [2025-02-08 08:25:36,517 INFO L125 PetriNetUnfolderBase]: For 178/178 co-relation queries the response was YES. [2025-02-08 08:25:36,599 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73379 conditions, 37849 events. 26557/37849 cut-off events. For 178/178 co-relation queries the response was YES. Maximal size of possible extension queue 1281. Compared 242962 event pairs, 26557 based on Foata normal form. 2700/40458 useless extension candidates. Maximal degree in co-relation 73367. Up to 35090 conditions per place. [2025-02-08 08:25:36,750 INFO L140 encePairwiseOnDemand]: 46/50 looper letters, 32 selfloop transitions, 1 changer transitions 1/41 dead transitions. [2025-02-08 08:25:36,750 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 41 transitions, 162 flow [2025-02-08 08:25:36,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 08:25:36,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 08:25:36,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 70 transitions. [2025-02-08 08:25:36,759 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4666666666666667 [2025-02-08 08:25:36,760 INFO L175 Difference]: Start difference. First operand has 56 places, 45 transitions, 102 flow. Second operand 3 states and 70 transitions. [2025-02-08 08:25:36,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 41 transitions, 162 flow [2025-02-08 08:25:36,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 41 transitions, 158 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-02-08 08:25:36,767 INFO L231 Difference]: Finished difference. Result has 52 places, 40 transitions, 90 flow [2025-02-08 08:25:36,769 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=90, PETRI_PLACES=52, PETRI_TRANSITIONS=40} [2025-02-08 08:25:36,771 INFO L279 CegarLoopForPetriNet]: 56 programPoint places, -4 predicate places. [2025-02-08 08:25:36,771 INFO L471 AbstractCegarLoop]: Abstraction has has 52 places, 40 transitions, 90 flow [2025-02-08 08:25:36,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:25:36,772 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:25:36,772 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:25:36,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 08:25:36,772 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-02-08 08:25:36,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:25:36,773 INFO L85 PathProgramCache]: Analyzing trace with hash 739841245, now seen corresponding path program 1 times [2025-02-08 08:25:36,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:25:36,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234122583] [2025-02-08 08:25:36,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:25:36,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:25:36,782 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-08 08:25:36,798 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-08 08:25:36,798 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:25:36,798 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:25:37,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:25:37,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:25:37,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234122583] [2025-02-08 08:25:37,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234122583] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:25:37,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:25:37,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 08:25:37,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93908824] [2025-02-08 08:25:37,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:25:37,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 08:25:37,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:25:37,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 08:25:37,079 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 08:25:37,081 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 50 [2025-02-08 08:25:37,081 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 40 transitions, 90 flow. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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) [2025-02-08 08:25:37,081 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:25:37,081 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 50 [2025-02-08 08:25:37,081 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:25:39,055 INFO L124 PetriNetUnfolderBase]: 33665/46397 cut-off events. [2025-02-08 08:25:39,055 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 08:25:39,145 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91493 conditions, 46397 events. 33665/46397 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1607. Compared 287996 event pairs, 6435 based on Foata normal form. 0/45490 useless extension candidates. Maximal degree in co-relation 91487. Up to 28979 conditions per place. [2025-02-08 08:25:39,252 INFO L140 encePairwiseOnDemand]: 43/50 looper letters, 48 selfloop transitions, 3 changer transitions 84/141 dead transitions. [2025-02-08 08:25:39,252 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 141 transitions, 564 flow [2025-02-08 08:25:39,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 08:25:39,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-02-08 08:25:39,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 225 transitions. [2025-02-08 08:25:39,254 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5625 [2025-02-08 08:25:39,254 INFO L175 Difference]: Start difference. First operand has 52 places, 40 transitions, 90 flow. Second operand 8 states and 225 transitions. [2025-02-08 08:25:39,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 141 transitions, 564 flow [2025-02-08 08:25:39,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 141 transitions, 563 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-08 08:25:39,258 INFO L231 Difference]: Finished difference. Result has 62 places, 41 transitions, 122 flow [2025-02-08 08:25:39,259 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=89, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=122, PETRI_PLACES=62, PETRI_TRANSITIONS=41} [2025-02-08 08:25:39,259 INFO L279 CegarLoopForPetriNet]: 56 programPoint places, 6 predicate places. [2025-02-08 08:25:39,260 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 41 transitions, 122 flow [2025-02-08 08:25:39,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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) [2025-02-08 08:25:39,260 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:25:39,260 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:25:39,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 08:25:39,260 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-02-08 08:25:39,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:25:39,261 INFO L85 PathProgramCache]: Analyzing trace with hash 2039519294, now seen corresponding path program 1 times [2025-02-08 08:25:39,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:25:39,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362803197] [2025-02-08 08:25:39,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:25:39,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:25:39,268 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-08 08:25:39,274 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-08 08:25:39,274 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:25:39,274 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:25:39,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:25:39,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:25:39,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362803197] [2025-02-08 08:25:39,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362803197] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:25:39,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:25:39,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 08:25:39,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319826181] [2025-02-08 08:25:39,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:25:39,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:25:39,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:25:39,438 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:25:39,438 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:25:39,440 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 50 [2025-02-08 08:25:39,440 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 41 transitions, 122 flow. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 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) [2025-02-08 08:25:39,440 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:25:39,440 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 50 [2025-02-08 08:25:39,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:25:41,973 INFO L124 PetriNetUnfolderBase]: 40591/55616 cut-off events. [2025-02-08 08:25:41,978 INFO L125 PetriNetUnfolderBase]: For 23182/23195 co-relation queries the response was YES. [2025-02-08 08:25:42,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 128844 conditions, 55616 events. 40591/55616 cut-off events. For 23182/23195 co-relation queries the response was YES. Maximal size of possible extension queue 1766. Compared 350025 event pairs, 3362 based on Foata normal form. 1340/56945 useless extension candidates. Maximal degree in co-relation 128832. Up to 26266 conditions per place. [2025-02-08 08:25:42,270 INFO L140 encePairwiseOnDemand]: 42/50 looper letters, 77 selfloop transitions, 6 changer transitions 97/186 dead transitions. [2025-02-08 08:25:42,271 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 186 transitions, 888 flow [2025-02-08 08:25:42,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 08:25:42,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-02-08 08:25:42,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 289 transitions. [2025-02-08 08:25:42,273 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.578 [2025-02-08 08:25:42,273 INFO L175 Difference]: Start difference. First operand has 62 places, 41 transitions, 122 flow. Second operand 10 states and 289 transitions. [2025-02-08 08:25:42,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 186 transitions, 888 flow [2025-02-08 08:25:43,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 186 transitions, 869 flow, removed 7 selfloop flow, removed 3 redundant places. [2025-02-08 08:25:43,037 INFO L231 Difference]: Finished difference. Result has 71 places, 45 transitions, 197 flow [2025-02-08 08:25:43,037 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=115, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=197, PETRI_PLACES=71, PETRI_TRANSITIONS=45} [2025-02-08 08:25:43,038 INFO L279 CegarLoopForPetriNet]: 56 programPoint places, 15 predicate places. [2025-02-08 08:25:43,038 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 45 transitions, 197 flow [2025-02-08 08:25:43,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 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) [2025-02-08 08:25:43,038 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:25:43,038 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:25:43,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 08:25:43,038 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-02-08 08:25:43,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:25:43,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1335973627, now seen corresponding path program 1 times [2025-02-08 08:25:43,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:25:43,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926479545] [2025-02-08 08:25:43,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:25:43,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:25:43,047 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-08 08:25:43,052 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-08 08:25:43,052 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:25:43,052 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:25:43,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:25:43,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:25:43,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926479545] [2025-02-08 08:25:43,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926479545] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:25:43,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:25:43,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 08:25:43,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883347098] [2025-02-08 08:25:43,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:25:43,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 08:25:43,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:25:43,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 08:25:43,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 08:25:43,186 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 50 [2025-02-08 08:25:43,186 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 45 transitions, 197 flow. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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) [2025-02-08 08:25:43,186 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:25:43,187 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 50 [2025-02-08 08:25:43,187 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:25:45,654 INFO L124 PetriNetUnfolderBase]: 36644/51152 cut-off events. [2025-02-08 08:25:45,655 INFO L125 PetriNetUnfolderBase]: For 77045/77045 co-relation queries the response was YES. [2025-02-08 08:25:45,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 136406 conditions, 51152 events. 36644/51152 cut-off events. For 77045/77045 co-relation queries the response was YES. Maximal size of possible extension queue 1477. Compared 318675 event pairs, 7692 based on Foata normal form. 920/52035 useless extension candidates. Maximal degree in co-relation 136386. Up to 39561 conditions per place. [2025-02-08 08:25:46,021 INFO L140 encePairwiseOnDemand]: 45/50 looper letters, 56 selfloop transitions, 2 changer transitions 59/123 dead transitions. [2025-02-08 08:25:46,022 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 123 transitions, 675 flow [2025-02-08 08:25:46,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 08:25:46,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-02-08 08:25:46,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 188 transitions. [2025-02-08 08:25:46,023 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5371428571428571 [2025-02-08 08:25:46,023 INFO L175 Difference]: Start difference. First operand has 71 places, 45 transitions, 197 flow. Second operand 7 states and 188 transitions. [2025-02-08 08:25:46,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 123 transitions, 675 flow [2025-02-08 08:25:47,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 123 transitions, 650 flow, removed 11 selfloop flow, removed 5 redundant places. [2025-02-08 08:25:47,605 INFO L231 Difference]: Finished difference. Result has 71 places, 45 transitions, 197 flow [2025-02-08 08:25:47,605 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=197, PETRI_PLACES=71, PETRI_TRANSITIONS=45} [2025-02-08 08:25:47,606 INFO L279 CegarLoopForPetriNet]: 56 programPoint places, 15 predicate places. [2025-02-08 08:25:47,606 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 45 transitions, 197 flow [2025-02-08 08:25:47,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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) [2025-02-08 08:25:47,607 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:25:47,607 INFO L206 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] [2025-02-08 08:25:47,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 08:25:47,607 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-02-08 08:25:47,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:25:47,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1344585802, now seen corresponding path program 1 times [2025-02-08 08:25:47,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:25:47,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799417591] [2025-02-08 08:25:47,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:25:47,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:25:47,618 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-08 08:25:47,626 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-08 08:25:47,626 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:25:47,626 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:25:47,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:25:47,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:25:47,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799417591] [2025-02-08 08:25:47,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799417591] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:25:47,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:25:47,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 08:25:47,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907770430] [2025-02-08 08:25:47,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:25:47,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:25:47,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:25:47,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:25:47,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:25:47,780 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 50 [2025-02-08 08:25:47,780 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 45 transitions, 197 flow. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 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) [2025-02-08 08:25:47,780 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:25:47,780 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 50 [2025-02-08 08:25:47,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:25:51,201 INFO L124 PetriNetUnfolderBase]: 51352/70404 cut-off events. [2025-02-08 08:25:51,202 INFO L125 PetriNetUnfolderBase]: For 101875/101878 co-relation queries the response was YES. [2025-02-08 08:25:51,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 189256 conditions, 70404 events. 51352/70404 cut-off events. For 101875/101878 co-relation queries the response was YES. Maximal size of possible extension queue 2000. Compared 441120 event pairs, 7114 based on Foata normal form. 1000/71390 useless extension candidates. Maximal degree in co-relation 189234. Up to 31259 conditions per place. [2025-02-08 08:25:51,534 INFO L140 encePairwiseOnDemand]: 44/50 looper letters, 71 selfloop transitions, 3 changer transitions 85/165 dead transitions. [2025-02-08 08:25:51,535 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 165 transitions, 1050 flow [2025-02-08 08:25:51,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 08:25:51,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-02-08 08:25:51,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 227 transitions. [2025-02-08 08:25:51,536 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5675 [2025-02-08 08:25:51,536 INFO L175 Difference]: Start difference. First operand has 71 places, 45 transitions, 197 flow. Second operand 8 states and 227 transitions. [2025-02-08 08:25:51,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 165 transitions, 1050 flow [2025-02-08 08:25:52,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 165 transitions, 1028 flow, removed 8 selfloop flow, removed 6 redundant places. [2025-02-08 08:25:52,776 INFO L231 Difference]: Finished difference. Result has 74 places, 45 transitions, 207 flow [2025-02-08 08:25:52,776 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=207, PETRI_PLACES=74, PETRI_TRANSITIONS=45} [2025-02-08 08:25:52,777 INFO L279 CegarLoopForPetriNet]: 56 programPoint places, 18 predicate places. [2025-02-08 08:25:52,777 INFO L471 AbstractCegarLoop]: Abstraction has has 74 places, 45 transitions, 207 flow [2025-02-08 08:25:52,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 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) [2025-02-08 08:25:52,777 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:25:52,777 INFO L206 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] [2025-02-08 08:25:52,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 08:25:52,778 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-02-08 08:25:52,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:25:52,778 INFO L85 PathProgramCache]: Analyzing trace with hash 705935667, now seen corresponding path program 1 times [2025-02-08 08:25:52,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:25:52,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596655642] [2025-02-08 08:25:52,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:25:52,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:25:52,785 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-08 08:25:52,789 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-08 08:25:52,789 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:25:52,789 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:25:52,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:25:52,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:25:52,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596655642] [2025-02-08 08:25:52,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596655642] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:25:52,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:25:52,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 08:25:52,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956844794] [2025-02-08 08:25:52,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:25:52,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 08:25:52,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:25:52,900 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 08:25:52,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 08:25:52,903 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 50 [2025-02-08 08:25:52,903 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 45 transitions, 207 flow. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:25:52,903 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:25:52,903 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 50 [2025-02-08 08:25:52,903 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:25:55,743 INFO L124 PetriNetUnfolderBase]: 36244/49668 cut-off events. [2025-02-08 08:25:55,744 INFO L125 PetriNetUnfolderBase]: For 76176/76176 co-relation queries the response was YES. [2025-02-08 08:25:55,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 134392 conditions, 49668 events. 36244/49668 cut-off events. For 76176/76176 co-relation queries the response was YES. Maximal size of possible extension queue 1249. Compared 292485 event pairs, 13048 based on Foata normal form. 720/50328 useless extension candidates. Maximal degree in co-relation 134368. Up to 24800 conditions per place. [2025-02-08 08:25:55,954 INFO L140 encePairwiseOnDemand]: 45/50 looper letters, 55 selfloop transitions, 5 changer transitions 58/124 dead transitions. [2025-02-08 08:25:55,954 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 124 transitions, 704 flow [2025-02-08 08:25:55,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 08:25:55,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-02-08 08:25:55,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 192 transitions. [2025-02-08 08:25:55,955 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5485714285714286 [2025-02-08 08:25:55,955 INFO L175 Difference]: Start difference. First operand has 74 places, 45 transitions, 207 flow. Second operand 7 states and 192 transitions. [2025-02-08 08:25:55,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 124 transitions, 704 flow [2025-02-08 08:25:56,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 124 transitions, 656 flow, removed 20 selfloop flow, removed 8 redundant places. [2025-02-08 08:25:56,485 INFO L231 Difference]: Finished difference. Result has 73 places, 44 transitions, 198 flow [2025-02-08 08:25:56,485 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=198, PETRI_PLACES=73, PETRI_TRANSITIONS=44} [2025-02-08 08:25:56,486 INFO L279 CegarLoopForPetriNet]: 56 programPoint places, 17 predicate places. [2025-02-08 08:25:56,486 INFO L471 AbstractCegarLoop]: Abstraction has has 73 places, 44 transitions, 198 flow [2025-02-08 08:25:56,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:25:56,486 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:25:56,486 INFO L206 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] [2025-02-08 08:25:56,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 08:25:56,486 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-02-08 08:25:56,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:25:56,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1121561433, now seen corresponding path program 1 times [2025-02-08 08:25:56,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:25:56,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653962274] [2025-02-08 08:25:56,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:25:56,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:25:56,491 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-08 08:25:56,498 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-08 08:25:56,498 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:25:56,498 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:25:56,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:25:56,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:25:56,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653962274] [2025-02-08 08:25:56,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653962274] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:25:56,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:25:56,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 08:25:56,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725560470] [2025-02-08 08:25:56,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:25:56,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 08:25:56,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:25:56,633 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 08:25:56,633 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-02-08 08:25:56,634 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 50 [2025-02-08 08:25:56,634 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 44 transitions, 198 flow. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 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) [2025-02-08 08:25:56,635 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:25:56,635 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 50 [2025-02-08 08:25:56,635 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:26:00,888 INFO L124 PetriNetUnfolderBase]: 52175/71811 cut-off events. [2025-02-08 08:26:00,888 INFO L125 PetriNetUnfolderBase]: For 97113/97113 co-relation queries the response was YES. [2025-02-08 08:26:01,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 183966 conditions, 71811 events. 52175/71811 cut-off events. For 97113/97113 co-relation queries the response was YES. Maximal size of possible extension queue 1916. Compared 443408 event pairs, 8544 based on Foata normal form. 976/72727 useless extension candidates. Maximal degree in co-relation 183944. Up to 26936 conditions per place. [2025-02-08 08:26:01,208 INFO L140 encePairwiseOnDemand]: 42/50 looper letters, 73 selfloop transitions, 6 changer transitions 49/134 dead transitions. [2025-02-08 08:26:01,208 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 134 transitions, 769 flow [2025-02-08 08:26:01,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 08:26:01,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-02-08 08:26:01,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 201 transitions. [2025-02-08 08:26:01,210 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5742857142857143 [2025-02-08 08:26:01,210 INFO L175 Difference]: Start difference. First operand has 73 places, 44 transitions, 198 flow. Second operand 7 states and 201 transitions. [2025-02-08 08:26:01,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 134 transitions, 769 flow [2025-02-08 08:26:02,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 134 transitions, 730 flow, removed 15 selfloop flow, removed 5 redundant places. [2025-02-08 08:26:02,619 INFO L231 Difference]: Finished difference. Result has 73 places, 42 transitions, 182 flow [2025-02-08 08:26:02,619 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=182, PETRI_PLACES=73, PETRI_TRANSITIONS=42} [2025-02-08 08:26:02,619 INFO L279 CegarLoopForPetriNet]: 56 programPoint places, 17 predicate places. [2025-02-08 08:26:02,619 INFO L471 AbstractCegarLoop]: Abstraction has has 73 places, 42 transitions, 182 flow [2025-02-08 08:26:02,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 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) [2025-02-08 08:26:02,623 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:26:02,623 INFO L206 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] [2025-02-08 08:26:02,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 08:26:02,624 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-02-08 08:26:02,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:26:02,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1398091451, now seen corresponding path program 2 times [2025-02-08 08:26:02,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:26:02,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483424896] [2025-02-08 08:26:02,624 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:26:02,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:26:02,633 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 25 statements into 1 equivalence classes. [2025-02-08 08:26:02,640 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-08 08:26:02,640 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 08:26:02,640 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:26:02,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:26:02,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:26:02,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483424896] [2025-02-08 08:26:02,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483424896] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:26:02,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:26:02,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 08:26:02,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302375513] [2025-02-08 08:26:02,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:26:02,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:26:02,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:26:02,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:26:02,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:26:02,690 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 50 [2025-02-08 08:26:02,690 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 42 transitions, 182 flow. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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) [2025-02-08 08:26:02,690 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:26:02,690 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 50 [2025-02-08 08:26:02,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:26:04,392 INFO L124 PetriNetUnfolderBase]: 27108/38767 cut-off events. [2025-02-08 08:26:04,393 INFO L125 PetriNetUnfolderBase]: For 42883/42883 co-relation queries the response was YES. [2025-02-08 08:26:04,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 97534 conditions, 38767 events. 27108/38767 cut-off events. For 42883/42883 co-relation queries the response was YES. Maximal size of possible extension queue 1088. Compared 245613 event pairs, 4430 based on Foata normal form. 1281/40042 useless extension candidates. Maximal degree in co-relation 97512. Up to 23105 conditions per place. [2025-02-08 08:26:04,796 INFO L140 encePairwiseOnDemand]: 43/50 looper letters, 69 selfloop transitions, 6 changer transitions 5/86 dead transitions. [2025-02-08 08:26:04,796 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 86 transitions, 548 flow [2025-02-08 08:26:04,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:26:04,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-08 08:26:04,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 121 transitions. [2025-02-08 08:26:04,798 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.605 [2025-02-08 08:26:04,798 INFO L175 Difference]: Start difference. First operand has 73 places, 42 transitions, 182 flow. Second operand 4 states and 121 transitions. [2025-02-08 08:26:04,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 86 transitions, 548 flow [2025-02-08 08:26:04,900 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 86 transitions, 494 flow, removed 6 selfloop flow, removed 7 redundant places. [2025-02-08 08:26:04,902 INFO L231 Difference]: Finished difference. Result has 69 places, 46 transitions, 200 flow [2025-02-08 08:26:04,904 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=200, PETRI_PLACES=69, PETRI_TRANSITIONS=46} [2025-02-08 08:26:04,905 INFO L279 CegarLoopForPetriNet]: 56 programPoint places, 13 predicate places. [2025-02-08 08:26:04,905 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 46 transitions, 200 flow [2025-02-08 08:26:04,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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) [2025-02-08 08:26:04,906 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:26:04,906 INFO L206 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] [2025-02-08 08:26:04,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 08:26:04,906 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-02-08 08:26:04,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:26:04,907 INFO L85 PathProgramCache]: Analyzing trace with hash 202043840, now seen corresponding path program 1 times [2025-02-08 08:26:04,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:26:04,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561197409] [2025-02-08 08:26:04,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:26:04,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:26:04,919 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 08:26:04,939 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 08:26:04,939 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:26:04,939 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:26:05,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:26:05,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:26:05,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561197409] [2025-02-08 08:26:05,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561197409] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:26:05,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:26:05,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 08:26:05,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996955973] [2025-02-08 08:26:05,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:26:05,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 08:26:05,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:26:05,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 08:26:05,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 08:26:05,107 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 50 [2025-02-08 08:26:05,107 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 46 transitions, 200 flow. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 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) [2025-02-08 08:26:05,108 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:26:05,108 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 50 [2025-02-08 08:26:05,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:26:06,564 INFO L124 PetriNetUnfolderBase]: 19462/27908 cut-off events. [2025-02-08 08:26:06,565 INFO L125 PetriNetUnfolderBase]: For 27267/27267 co-relation queries the response was YES. [2025-02-08 08:26:06,649 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75673 conditions, 27908 events. 19462/27908 cut-off events. For 27267/27267 co-relation queries the response was YES. Maximal size of possible extension queue 823. Compared 167241 event pairs, 1914 based on Foata normal form. 1148/29050 useless extension candidates. Maximal degree in co-relation 75653. Up to 13245 conditions per place. [2025-02-08 08:26:06,700 INFO L140 encePairwiseOnDemand]: 43/50 looper letters, 83 selfloop transitions, 10 changer transitions 7/106 dead transitions. [2025-02-08 08:26:06,701 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 106 transitions, 655 flow [2025-02-08 08:26:06,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 08:26:06,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-02-08 08:26:06,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 154 transitions. [2025-02-08 08:26:06,702 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.616 [2025-02-08 08:26:06,702 INFO L175 Difference]: Start difference. First operand has 69 places, 46 transitions, 200 flow. Second operand 5 states and 154 transitions. [2025-02-08 08:26:06,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 106 transitions, 655 flow [2025-02-08 08:26:06,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 106 transitions, 644 flow, removed 1 selfloop flow, removed 2 redundant places. [2025-02-08 08:26:06,714 INFO L231 Difference]: Finished difference. Result has 73 places, 50 transitions, 252 flow [2025-02-08 08:26:06,714 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=191, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=252, PETRI_PLACES=73, PETRI_TRANSITIONS=50} [2025-02-08 08:26:06,714 INFO L279 CegarLoopForPetriNet]: 56 programPoint places, 17 predicate places. [2025-02-08 08:26:06,714 INFO L471 AbstractCegarLoop]: Abstraction has has 73 places, 50 transitions, 252 flow [2025-02-08 08:26:06,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 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) [2025-02-08 08:26:06,715 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:26:06,715 INFO L206 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] [2025-02-08 08:26:06,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-08 08:26:06,715 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-02-08 08:26:06,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:26:06,715 INFO L85 PathProgramCache]: Analyzing trace with hash 334662261, now seen corresponding path program 1 times [2025-02-08 08:26:06,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:26:06,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648597644] [2025-02-08 08:26:06,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:26:06,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:26:06,720 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-08 08:26:06,724 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 08:26:06,725 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:26:06,725 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:26:06,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:26:06,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:26:06,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648597644] [2025-02-08 08:26:06,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648597644] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:26:06,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:26:06,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 08:26:06,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73244538] [2025-02-08 08:26:06,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:26:06,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:26:06,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:26:06,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:26:06,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:26:06,787 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 50 [2025-02-08 08:26:06,787 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 50 transitions, 252 flow. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 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) [2025-02-08 08:26:06,787 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:26:06,787 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 50 [2025-02-08 08:26:06,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:26:07,704 INFO L124 PetriNetUnfolderBase]: 11870/16916 cut-off events. [2025-02-08 08:26:07,704 INFO L125 PetriNetUnfolderBase]: For 24129/24129 co-relation queries the response was YES. [2025-02-08 08:26:07,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49811 conditions, 16916 events. 11870/16916 cut-off events. For 24129/24129 co-relation queries the response was YES. Maximal size of possible extension queue 485. Compared 92271 event pairs, 936 based on Foata normal form. 748/17658 useless extension candidates. Maximal degree in co-relation 49789. Up to 5108 conditions per place. [2025-02-08 08:26:07,768 INFO L140 encePairwiseOnDemand]: 43/50 looper letters, 96 selfloop transitions, 14 changer transitions 10/126 dead transitions. [2025-02-08 08:26:07,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 126 transitions, 830 flow [2025-02-08 08:26:07,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 08:26:07,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-08 08:26:07,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 185 transitions. [2025-02-08 08:26:07,770 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6166666666666667 [2025-02-08 08:26:07,770 INFO L175 Difference]: Start difference. First operand has 73 places, 50 transitions, 252 flow. Second operand 6 states and 185 transitions. [2025-02-08 08:26:07,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 126 transitions, 830 flow [2025-02-08 08:26:07,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 126 transitions, 800 flow, removed 5 selfloop flow, removed 4 redundant places. [2025-02-08 08:26:07,835 INFO L231 Difference]: Finished difference. Result has 76 places, 53 transitions, 297 flow [2025-02-08 08:26:07,836 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=225, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=297, PETRI_PLACES=76, PETRI_TRANSITIONS=53} [2025-02-08 08:26:07,837 INFO L279 CegarLoopForPetriNet]: 56 programPoint places, 20 predicate places. [2025-02-08 08:26:07,837 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 53 transitions, 297 flow [2025-02-08 08:26:07,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 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) [2025-02-08 08:26:07,841 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:26:07,841 INFO L206 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, 1, 1] [2025-02-08 08:26:07,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-08 08:26:07,842 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-02-08 08:26:07,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:26:07,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1163039750, now seen corresponding path program 1 times [2025-02-08 08:26:07,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:26:07,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471955400] [2025-02-08 08:26:07,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:26:07,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:26:07,852 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-08 08:26:07,857 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-08 08:26:07,859 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:26:07,859 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:26:07,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:26:07,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:26:07,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471955400] [2025-02-08 08:26:07,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471955400] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:26:07,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:26:07,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 08:26:07,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689854471] [2025-02-08 08:26:07,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:26:07,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 08:26:07,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:26:07,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 08:26:07,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:26:08,001 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 50 [2025-02-08 08:26:08,001 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 53 transitions, 297 flow. Second operand has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 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) [2025-02-08 08:26:08,001 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:26:08,001 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 50 [2025-02-08 08:26:08,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:26:08,948 INFO L124 PetriNetUnfolderBase]: 10906/15439 cut-off events. [2025-02-08 08:26:08,949 INFO L125 PetriNetUnfolderBase]: For 29667/29667 co-relation queries the response was YES. [2025-02-08 08:26:08,988 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48419 conditions, 15439 events. 10906/15439 cut-off events. For 29667/29667 co-relation queries the response was YES. Maximal size of possible extension queue 431. Compared 82233 event pairs, 3146 based on Foata normal form. 120/15558 useless extension candidates. Maximal degree in co-relation 48396. Up to 7908 conditions per place. [2025-02-08 08:26:09,006 INFO L140 encePairwiseOnDemand]: 45/50 looper letters, 65 selfloop transitions, 2 changer transitions 59/132 dead transitions. [2025-02-08 08:26:09,006 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 132 transitions, 978 flow [2025-02-08 08:26:09,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 08:26:09,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-08 08:26:09,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 165 transitions. [2025-02-08 08:26:09,007 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.55 [2025-02-08 08:26:09,007 INFO L175 Difference]: Start difference. First operand has 76 places, 53 transitions, 297 flow. Second operand 6 states and 165 transitions. [2025-02-08 08:26:09,007 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 132 transitions, 978 flow [2025-02-08 08:26:09,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 132 transitions, 886 flow, removed 18 selfloop flow, removed 5 redundant places. [2025-02-08 08:26:09,082 INFO L231 Difference]: Finished difference. Result has 80 places, 52 transitions, 261 flow [2025-02-08 08:26:09,082 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=261, PETRI_PLACES=80, PETRI_TRANSITIONS=52} [2025-02-08 08:26:09,082 INFO L279 CegarLoopForPetriNet]: 56 programPoint places, 24 predicate places. [2025-02-08 08:26:09,082 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 52 transitions, 261 flow [2025-02-08 08:26:09,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 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) [2025-02-08 08:26:09,083 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:26:09,083 INFO L206 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, 1, 1] [2025-02-08 08:26:09,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-08 08:26:09,083 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-02-08 08:26:09,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:26:09,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1922795806, now seen corresponding path program 2 times [2025-02-08 08:26:09,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:26:09,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169925695] [2025-02-08 08:26:09,084 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:26:09,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:26:09,087 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 32 statements into 1 equivalence classes. [2025-02-08 08:26:09,090 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-08 08:26:09,091 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 08:26:09,091 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:26:09,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:26:09,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:26:09,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169925695] [2025-02-08 08:26:09,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169925695] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:26:09,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:26:09,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 08:26:09,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568407132] [2025-02-08 08:26:09,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:26:09,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 08:26:09,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:26:09,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 08:26:09,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-08 08:26:09,163 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 50 [2025-02-08 08:26:09,163 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 52 transitions, 261 flow. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 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) [2025-02-08 08:26:09,163 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:26:09,163 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 50 [2025-02-08 08:26:09,163 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:26:09,705 INFO L124 PetriNetUnfolderBase]: 8522/12020 cut-off events. [2025-02-08 08:26:09,705 INFO L125 PetriNetUnfolderBase]: For 18511/18511 co-relation queries the response was YES. [2025-02-08 08:26:09,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34346 conditions, 12020 events. 8522/12020 cut-off events. For 18511/18511 co-relation queries the response was YES. Maximal size of possible extension queue 434. Compared 64028 event pairs, 746 based on Foata normal form. 304/12318 useless extension candidates. Maximal degree in co-relation 34326. Up to 3972 conditions per place. [2025-02-08 08:26:09,742 INFO L140 encePairwiseOnDemand]: 43/50 looper letters, 0 selfloop transitions, 0 changer transitions 108/108 dead transitions. [2025-02-08 08:26:09,742 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 108 transitions, 692 flow [2025-02-08 08:26:09,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 08:26:09,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-02-08 08:26:09,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 184 transitions. [2025-02-08 08:26:09,744 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5257142857142857 [2025-02-08 08:26:09,744 INFO L175 Difference]: Start difference. First operand has 80 places, 52 transitions, 261 flow. Second operand 7 states and 184 transitions. [2025-02-08 08:26:09,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 108 transitions, 692 flow [2025-02-08 08:26:09,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 108 transitions, 596 flow, removed 32 selfloop flow, removed 10 redundant places. [2025-02-08 08:26:09,834 INFO L231 Difference]: Finished difference. Result has 69 places, 0 transitions, 0 flow [2025-02-08 08:26:09,834 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=197, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=69, PETRI_TRANSITIONS=0} [2025-02-08 08:26:09,834 INFO L279 CegarLoopForPetriNet]: 56 programPoint places, 13 predicate places. [2025-02-08 08:26:09,834 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 0 transitions, 0 flow [2025-02-08 08:26:09,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 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) [2025-02-08 08:26:09,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining) [2025-02-08 08:26:09,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining) [2025-02-08 08:26:09,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2025-02-08 08:26:09,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2025-02-08 08:26:09,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2025-02-08 08:26:09,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2025-02-08 08:26:09,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-08 08:26:09,838 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:26:09,840 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-08 08:26:09,840 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 08:26:09,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 08:26:09 BasicIcfg [2025-02-08 08:26:09,844 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 08:26:09,844 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 08:26:09,844 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 08:26:09,845 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 08:26:09,846 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:25:33" (3/4) ... [2025-02-08 08:26:09,847 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 08:26:09,849 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2025-02-08 08:26:09,849 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2025-02-08 08:26:09,849 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2025-02-08 08:26:09,849 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure P3 [2025-02-08 08:26:09,853 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2025-02-08 08:26:09,853 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-02-08 08:26:09,853 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-08 08:26:09,853 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-08 08:26:09,908 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 08:26:09,909 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 08:26:09,909 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 08:26:09,910 INFO L158 Benchmark]: Toolchain (without parser) took 37051.47ms. Allocated memory was 142.6MB in the beginning and 12.9GB in the end (delta: 12.7GB). Free memory was 108.9MB in the beginning and 10.1GB in the end (delta: -10.0GB). Peak memory consumption was 2.7GB. Max. memory is 16.1GB. [2025-02-08 08:26:09,910 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 201.3MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:26:09,910 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.71ms. Allocated memory is still 142.6MB. Free memory was 108.9MB in the beginning and 88.1MB in the end (delta: 20.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-08 08:26:09,911 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.35ms. Allocated memory is still 142.6MB. Free memory was 88.1MB in the beginning and 86.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:26:09,911 INFO L158 Benchmark]: Boogie Preprocessor took 29.67ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 84.4MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:26:09,912 INFO L158 Benchmark]: IcfgBuilder took 367.25ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 62.9MB in the end (delta: 21.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-08 08:26:09,912 INFO L158 Benchmark]: TraceAbstraction took 36267.01ms. Allocated memory was 142.6MB in the beginning and 12.9GB in the end (delta: 12.7GB). Free memory was 62.9MB in the beginning and 10.1GB in the end (delta: -10.1GB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. [2025-02-08 08:26:09,913 INFO L158 Benchmark]: Witness Printer took 64.58ms. Allocated memory is still 12.9GB. Free memory was 10.1GB in the beginning and 10.1GB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 08:26:09,913 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 201.3MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.71ms. Allocated memory is still 142.6MB. Free memory was 108.9MB in the beginning and 88.1MB in the end (delta: 20.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.35ms. Allocated memory is still 142.6MB. Free memory was 88.1MB in the beginning and 86.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.67ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 84.4MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 367.25ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 62.9MB in the end (delta: 21.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 36267.01ms. Allocated memory was 142.6MB in the beginning and 12.9GB in the end (delta: 12.7GB). Free memory was 62.9MB in the beginning and 10.1GB in the end (delta: -10.1GB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. * Witness Printer took 64.58ms. Allocated memory is still 12.9GB. Free memory was 10.1GB in the beginning and 10.1GB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 786]: 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 9 procedures, 79 locations, 6 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: 36.2s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 34.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1134 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1128 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2356 IncrementalHoareTripleChecker+Invalid, 2394 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 2 mSDtfsCounter, 2356 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=297occurred in iteration=10, InterpolantAutomatonStates: 78, 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, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 290 NumberOfCodeBlocks, 290 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 278 ConstructedInterpolants, 0 QuantifiedInterpolants, 858 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-08 08:26:09,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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