./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fb302bfc042709458f72100356b9fd74bb7921271e539fc7dcbd801222f139c8 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:03:06,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:03:06,473 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-10 18:03:06,476 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:03:06,477 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:03:06,499 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:03:06,499 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:03:06,500 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:03:06,500 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:03:06,501 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:03:06,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:03:06,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:03:06,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:03:06,502 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:03:06,503 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:03:06,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:03:06,505 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:03:06,505 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:03:06,505 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:03:06,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:03:06,505 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-10 18:03:06,509 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-10 18:03:06,509 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-10 18:03:06,509 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:03:06,509 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 18:03:06,509 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:03:06,509 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:03:06,510 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:03:06,510 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:03:06,510 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:03:06,510 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:03:06,510 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:03:06,510 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:03:06,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:03:06,511 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:03:06,511 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:03:06,511 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:03:06,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:03:06,511 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:03:06,512 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:03:06,512 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:03:06,513 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:03:06,513 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb302bfc042709458f72100356b9fd74bb7921271e539fc7dcbd801222f139c8 [2024-11-10 18:03:06,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:03:06,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:03:06,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:03:06,772 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:03:06,772 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:03:06,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2024-11-10 18:03:08,149 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:03:08,353 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:03:08,354 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2024-11-10 18:03:08,370 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b351ca0b/22b9c926228f49bfb8f115a5b014be68/FLAG355c281ca [2024-11-10 18:03:08,387 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b351ca0b/22b9c926228f49bfb8f115a5b014be68 [2024-11-10 18:03:08,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:03:08,391 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:03:08,393 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:03:08,393 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:03:08,398 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:03:08,399 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:03:08" (1/1) ... [2024-11-10 18:03:08,399 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62d9b624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:08, skipping insertion in model container [2024-11-10 18:03:08,400 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:03:08" (1/1) ... [2024-11-10 18:03:08,442 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:03:08,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:03:08,740 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:03:08,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:03:08,840 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:03:08,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:08 WrapperNode [2024-11-10 18:03:08,841 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:03:08,841 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:03:08,842 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:03:08,842 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:03:08,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:08" (1/1) ... [2024-11-10 18:03:08,860 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:08" (1/1) ... [2024-11-10 18:03:08,877 INFO L138 Inliner]: procedures = 175, calls = 48, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2024-11-10 18:03:08,877 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:03:08,881 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:03:08,881 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:03:08,881 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:03:08,888 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:08" (1/1) ... [2024-11-10 18:03:08,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:08" (1/1) ... [2024-11-10 18:03:08,890 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:08" (1/1) ... [2024-11-10 18:03:08,911 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 18:03:08,911 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:08" (1/1) ... [2024-11-10 18:03:08,911 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:08" (1/1) ... [2024-11-10 18:03:08,918 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:08" (1/1) ... [2024-11-10 18:03:08,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:08" (1/1) ... [2024-11-10 18:03:08,922 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:08" (1/1) ... [2024-11-10 18:03:08,923 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:08" (1/1) ... [2024-11-10 18:03:08,928 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:03:08,929 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:03:08,929 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:03:08,929 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:03:08,930 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:08" (1/1) ... [2024-11-10 18:03:08,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:03:08,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:03:08,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 18:03:08,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 18:03:09,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-10 18:03:09,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:03:09,009 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-10 18:03:09,009 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-10 18:03:09,009 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-10 18:03:09,010 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-10 18:03:09,010 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-10 18:03:09,010 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-10 18:03:09,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:03:09,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-10 18:03:09,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:03:09,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:03:09,012 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 18:03:09,133 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:03:09,135 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:03:09,257 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 18:03:09,257 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:03:09,320 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:03:09,321 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:03:09,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:03:09 BoogieIcfgContainer [2024-11-10 18:03:09,321 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:03:09,323 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:03:09,323 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:03:09,326 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:03:09,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:03:08" (1/3) ... [2024-11-10 18:03:09,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7700bed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:03:09, skipping insertion in model container [2024-11-10 18:03:09,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:03:08" (2/3) ... [2024-11-10 18:03:09,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7700bed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:03:09, skipping insertion in model container [2024-11-10 18:03:09,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:03:09" (3/3) ... [2024-11-10 18:03:09,329 INFO L112 eAbstractionObserver]: Analyzing ICFG safe035_pso.oepc_pso.opt_rmo.oepc_rmo.opt_tso.oepc_tso.opt.i [2024-11-10 18:03:09,342 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:03:09,343 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 18:03:09,343 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 18:03:09,390 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 18:03:09,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 54 places, 46 transitions, 104 flow [2024-11-10 18:03:09,467 INFO L124 PetriNetUnfolderBase]: 2/43 cut-off events. [2024-11-10 18:03:09,467 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 18:03:09,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 43 events. 2/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 85 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2024-11-10 18:03:09,470 INFO L82 GeneralOperation]: Start removeDead. Operand has 54 places, 46 transitions, 104 flow [2024-11-10 18:03:09,475 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 42 transitions, 93 flow [2024-11-10 18:03:09,487 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:03:09,494 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;@5ded8bad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:03:09,496 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-10 18:03:09,513 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 18:03:09,513 INFO L124 PetriNetUnfolderBase]: 2/40 cut-off events. [2024-11-10 18:03:09,514 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 18:03:09,514 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:03:09,515 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:03:09,515 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-10 18:03:09,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:03:09,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1759936665, now seen corresponding path program 1 times [2024-11-10 18:03:09,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:03:09,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035886116] [2024-11-10 18:03:09,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:03:09,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:03:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:03:09,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:03:09,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:03:09,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035886116] [2024-11-10 18:03:09,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035886116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:03:09,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:03:09,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 18:03:09,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443837112] [2024-11-10 18:03:09,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:03:09,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:03:09,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:03:09,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:03:09,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:03:09,801 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 46 [2024-11-10 18:03:09,803 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 42 transitions, 93 flow. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:03:09,803 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:03:09,803 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 46 [2024-11-10 18:03:09,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:03:10,655 INFO L124 PetriNetUnfolderBase]: 7776/11820 cut-off events. [2024-11-10 18:03:10,656 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-11-10 18:03:10,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22915 conditions, 11820 events. 7776/11820 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 71538 event pairs, 7776 based on Foata normal form. 980/12738 useless extension candidates. Maximal degree in co-relation 22904. Up to 10976 conditions per place. [2024-11-10 18:03:10,764 INFO L140 encePairwiseOnDemand]: 42/46 looper letters, 30 selfloop transitions, 1 changer transitions 1/38 dead transitions. [2024-11-10 18:03:10,765 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 38 transitions, 149 flow [2024-11-10 18:03:10,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:03:10,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 18:03:10,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 62 transitions. [2024-11-10 18:03:10,775 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4492753623188406 [2024-11-10 18:03:10,776 INFO L175 Difference]: Start difference. First operand has 50 places, 42 transitions, 93 flow. Second operand 3 states and 62 transitions. [2024-11-10 18:03:10,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 38 transitions, 149 flow [2024-11-10 18:03:10,780 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 38 transitions, 146 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-10 18:03:10,783 INFO L231 Difference]: Finished difference. Result has 47 places, 37 transitions, 82 flow [2024-11-10 18:03:10,785 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=47, PETRI_TRANSITIONS=37} [2024-11-10 18:03:10,790 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, -3 predicate places. [2024-11-10 18:03:10,790 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 37 transitions, 82 flow [2024-11-10 18:03:10,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:03:10,790 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:03:10,790 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:03:10,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:03:10,791 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-10 18:03:10,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:03:10,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1759936172, now seen corresponding path program 1 times [2024-11-10 18:03:10,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:03:10,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99244630] [2024-11-10 18:03:10,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:03:10,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:03:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:03:11,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:03:11,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:03:11,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99244630] [2024-11-10 18:03:11,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99244630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:03:11,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:03:11,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:03:11,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419553465] [2024-11-10 18:03:11,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:03:11,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:03:11,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:03:11,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:03:11,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:03:11,019 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 46 [2024-11-10 18:03:11,019 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 82 flow. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:03:11,019 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:03:11,019 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 46 [2024-11-10 18:03:11,020 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:03:11,533 INFO L124 PetriNetUnfolderBase]: 5308/8423 cut-off events. [2024-11-10 18:03:11,533 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 18:03:11,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16299 conditions, 8423 events. 5308/8423 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 51257 event pairs, 994 based on Foata normal form. 343/8753 useless extension candidates. Maximal degree in co-relation 16293. Up to 4351 conditions per place. [2024-11-10 18:03:11,569 INFO L140 encePairwiseOnDemand]: 40/46 looper letters, 64 selfloop transitions, 5 changer transitions 1/76 dead transitions. [2024-11-10 18:03:11,569 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 76 transitions, 304 flow [2024-11-10 18:03:11,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:03:11,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 18:03:11,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 112 transitions. [2024-11-10 18:03:11,572 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6086956521739131 [2024-11-10 18:03:11,572 INFO L175 Difference]: Start difference. First operand has 47 places, 37 transitions, 82 flow. Second operand 4 states and 112 transitions. [2024-11-10 18:03:11,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 76 transitions, 304 flow [2024-11-10 18:03:11,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 76 transitions, 303 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 18:03:11,574 INFO L231 Difference]: Finished difference. Result has 50 places, 40 transitions, 115 flow [2024-11-10 18:03:11,574 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=115, PETRI_PLACES=50, PETRI_TRANSITIONS=40} [2024-11-10 18:03:11,574 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 0 predicate places. [2024-11-10 18:03:11,575 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 40 transitions, 115 flow [2024-11-10 18:03:11,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:03:11,575 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:03:11,575 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:03:11,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:03:11,575 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-10 18:03:11,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:03:11,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1983137803, now seen corresponding path program 1 times [2024-11-10 18:03:11,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:03:11,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450754117] [2024-11-10 18:03:11,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:03:11,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:03:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:03:11,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:03:11,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:03:11,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450754117] [2024-11-10 18:03:11,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450754117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:03:11,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:03:11,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:03:11,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43639256] [2024-11-10 18:03:11,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:03:11,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:03:11,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:03:11,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:03:11,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:03:11,738 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 46 [2024-11-10 18:03:11,739 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 40 transitions, 115 flow. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:03:11,739 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:03:11,739 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 46 [2024-11-10 18:03:11,739 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:03:12,030 INFO L124 PetriNetUnfolderBase]: 2833/4473 cut-off events. [2024-11-10 18:03:12,031 INFO L125 PetriNetUnfolderBase]: For 797/797 co-relation queries the response was YES. [2024-11-10 18:03:12,036 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10064 conditions, 4473 events. 2833/4473 cut-off events. For 797/797 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 23226 event pairs, 651 based on Foata normal form. 218/4678 useless extension candidates. Maximal degree in co-relation 10055. Up to 1515 conditions per place. [2024-11-10 18:03:12,049 INFO L140 encePairwiseOnDemand]: 40/46 looper letters, 82 selfloop transitions, 8 changer transitions 1/97 dead transitions. [2024-11-10 18:03:12,049 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 97 transitions, 432 flow [2024-11-10 18:03:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:03:12,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 18:03:12,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 143 transitions. [2024-11-10 18:03:12,051 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6217391304347826 [2024-11-10 18:03:12,051 INFO L175 Difference]: Start difference. First operand has 50 places, 40 transitions, 115 flow. Second operand 5 states and 143 transitions. [2024-11-10 18:03:12,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 97 transitions, 432 flow [2024-11-10 18:03:12,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 97 transitions, 422 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-10 18:03:12,055 INFO L231 Difference]: Finished difference. Result has 54 places, 43 transitions, 155 flow [2024-11-10 18:03:12,055 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=155, PETRI_PLACES=54, PETRI_TRANSITIONS=43} [2024-11-10 18:03:12,056 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 4 predicate places. [2024-11-10 18:03:12,056 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 43 transitions, 155 flow [2024-11-10 18:03:12,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:03:12,057 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:03:12,057 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:03:12,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 18:03:12,057 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-10 18:03:12,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:03:12,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1603467722, now seen corresponding path program 1 times [2024-11-10 18:03:12,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:03:12,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989963099] [2024-11-10 18:03:12,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:03:12,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:03:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:03:12,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:03:12,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:03:12,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989963099] [2024-11-10 18:03:12,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989963099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:03:12,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:03:12,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 18:03:12,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995301410] [2024-11-10 18:03:12,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:03:12,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:03:12,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:03:12,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:03:12,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:03:12,168 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 46 [2024-11-10 18:03:12,168 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 43 transitions, 155 flow. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:03:12,168 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:03:12,168 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 46 [2024-11-10 18:03:12,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:03:12,379 INFO L124 PetriNetUnfolderBase]: 1798/2748 cut-off events. [2024-11-10 18:03:12,379 INFO L125 PetriNetUnfolderBase]: For 1492/1492 co-relation queries the response was YES. [2024-11-10 18:03:12,383 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6716 conditions, 2748 events. 1798/2748 cut-off events. For 1492/1492 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 12616 event pairs, 594 based on Foata normal form. 68/2803 useless extension candidates. Maximal degree in co-relation 6705. Up to 1050 conditions per place. [2024-11-10 18:03:12,389 INFO L140 encePairwiseOnDemand]: 40/46 looper letters, 68 selfloop transitions, 11 changer transitions 1/86 dead transitions. [2024-11-10 18:03:12,390 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 86 transitions, 411 flow [2024-11-10 18:03:12,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:03:12,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 18:03:12,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 142 transitions. [2024-11-10 18:03:12,392 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5144927536231884 [2024-11-10 18:03:12,392 INFO L175 Difference]: Start difference. First operand has 54 places, 43 transitions, 155 flow. Second operand 6 states and 142 transitions. [2024-11-10 18:03:12,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 86 transitions, 411 flow [2024-11-10 18:03:12,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 86 transitions, 386 flow, removed 4 selfloop flow, removed 4 redundant places. [2024-11-10 18:03:12,405 INFO L231 Difference]: Finished difference. Result has 57 places, 43 transitions, 169 flow [2024-11-10 18:03:12,406 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=169, PETRI_PLACES=57, PETRI_TRANSITIONS=43} [2024-11-10 18:03:12,407 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 7 predicate places. [2024-11-10 18:03:12,407 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 43 transitions, 169 flow [2024-11-10 18:03:12,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:03:12,408 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:03:12,408 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:03:12,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 18:03:12,408 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-10 18:03:12,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:03:12,409 INFO L85 PathProgramCache]: Analyzing trace with hash 190678355, now seen corresponding path program 1 times [2024-11-10 18:03:12,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:03:12,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722703153] [2024-11-10 18:03:12,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:03:12,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:03:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:03:12,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:03:12,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:03:12,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722703153] [2024-11-10 18:03:12,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722703153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:03:12,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:03:12,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 18:03:12,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695919207] [2024-11-10 18:03:12,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:03:12,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:03:12,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:03:12,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:03:12,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:03:12,538 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 46 [2024-11-10 18:03:12,538 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 43 transitions, 169 flow. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:03:12,538 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:03:12,538 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 46 [2024-11-10 18:03:12,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:03:12,807 INFO L124 PetriNetUnfolderBase]: 2754/4188 cut-off events. [2024-11-10 18:03:12,807 INFO L125 PetriNetUnfolderBase]: For 2660/2660 co-relation queries the response was YES. [2024-11-10 18:03:12,812 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10293 conditions, 4188 events. 2754/4188 cut-off events. For 2660/2660 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 20776 event pairs, 1048 based on Foata normal form. 8/4183 useless extension candidates. Maximal degree in co-relation 10281. Up to 2240 conditions per place. [2024-11-10 18:03:12,818 INFO L140 encePairwiseOnDemand]: 41/46 looper letters, 49 selfloop transitions, 2 changer transitions 21/78 dead transitions. [2024-11-10 18:03:12,819 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 78 transitions, 455 flow [2024-11-10 18:03:12,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:03:12,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 18:03:12,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 111 transitions. [2024-11-10 18:03:12,820 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4826086956521739 [2024-11-10 18:03:12,820 INFO L175 Difference]: Start difference. First operand has 57 places, 43 transitions, 169 flow. Second operand 5 states and 111 transitions. [2024-11-10 18:03:12,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 78 transitions, 455 flow [2024-11-10 18:03:12,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 78 transitions, 346 flow, removed 20 selfloop flow, removed 8 redundant places. [2024-11-10 18:03:12,834 INFO L231 Difference]: Finished difference. Result has 56 places, 43 transitions, 125 flow [2024-11-10 18:03:12,834 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=113, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=125, PETRI_PLACES=56, PETRI_TRANSITIONS=43} [2024-11-10 18:03:12,835 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 6 predicate places. [2024-11-10 18:03:12,835 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 43 transitions, 125 flow [2024-11-10 18:03:12,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:03:12,835 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:03:12,835 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:03:12,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 18:03:12,835 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-10 18:03:12,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:03:12,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1790550309, now seen corresponding path program 2 times [2024-11-10 18:03:12,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:03:12,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404249434] [2024-11-10 18:03:12,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:03:12,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:03:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:03:12,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:03:12,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:03:12,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404249434] [2024-11-10 18:03:12,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404249434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:03:12,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:03:12,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 18:03:12,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039959246] [2024-11-10 18:03:12,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:03:12,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:03:12,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:03:12,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:03:12,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:03:12,975 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 46 [2024-11-10 18:03:12,975 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 43 transitions, 125 flow. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:03:12,975 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:03:12,976 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 46 [2024-11-10 18:03:12,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:03:13,265 INFO L124 PetriNetUnfolderBase]: 2220/3395 cut-off events. [2024-11-10 18:03:13,265 INFO L125 PetriNetUnfolderBase]: For 358/358 co-relation queries the response was YES. [2024-11-10 18:03:13,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7500 conditions, 3395 events. 2220/3395 cut-off events. For 358/358 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 16069 event pairs, 200 based on Foata normal form. 8/3400 useless extension candidates. Maximal degree in co-relation 7490. Up to 1644 conditions per place. [2024-11-10 18:03:13,272 INFO L140 encePairwiseOnDemand]: 38/46 looper letters, 62 selfloop transitions, 5 changer transitions 18/91 dead transitions. [2024-11-10 18:03:13,272 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 91 transitions, 422 flow [2024-11-10 18:03:13,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:03:13,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-10 18:03:13,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 142 transitions. [2024-11-10 18:03:13,273 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4409937888198758 [2024-11-10 18:03:13,274 INFO L175 Difference]: Start difference. First operand has 56 places, 43 transitions, 125 flow. Second operand 7 states and 142 transitions. [2024-11-10 18:03:13,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 91 transitions, 422 flow [2024-11-10 18:03:13,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 91 transitions, 408 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-10 18:03:13,275 INFO L231 Difference]: Finished difference. Result has 60 places, 46 transitions, 150 flow [2024-11-10 18:03:13,276 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=115, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=150, PETRI_PLACES=60, PETRI_TRANSITIONS=46} [2024-11-10 18:03:13,276 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 10 predicate places. [2024-11-10 18:03:13,276 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 46 transitions, 150 flow [2024-11-10 18:03:13,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:03:13,277 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:03:13,277 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:03:13,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 18:03:13,277 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-10 18:03:13,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:03:13,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1714745095, now seen corresponding path program 3 times [2024-11-10 18:03:13,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:03:13,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271416189] [2024-11-10 18:03:13,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:03:13,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:03:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:03:13,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:03:13,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:03:13,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271416189] [2024-11-10 18:03:13,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271416189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:03:13,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:03:13,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 18:03:13,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442084097] [2024-11-10 18:03:13,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:03:13,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:03:13,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:03:13,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:03:13,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:03:13,367 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 46 [2024-11-10 18:03:13,368 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 46 transitions, 150 flow. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:03:13,368 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:03:13,368 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 46 [2024-11-10 18:03:13,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:03:13,712 INFO L124 PetriNetUnfolderBase]: 3296/5047 cut-off events. [2024-11-10 18:03:13,713 INFO L125 PetriNetUnfolderBase]: For 1920/1920 co-relation queries the response was YES. [2024-11-10 18:03:13,718 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11968 conditions, 5047 events. 3296/5047 cut-off events. For 1920/1920 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 25876 event pairs, 1562 based on Foata normal form. 8/5052 useless extension candidates. Maximal degree in co-relation 11956. Up to 3122 conditions per place. [2024-11-10 18:03:13,723 INFO L140 encePairwiseOnDemand]: 40/46 looper letters, 51 selfloop transitions, 2 changer transitions 45/104 dead transitions. [2024-11-10 18:03:13,723 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 104 transitions, 521 flow [2024-11-10 18:03:13,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:03:13,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-10 18:03:13,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 149 transitions. [2024-11-10 18:03:13,725 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.46273291925465837 [2024-11-10 18:03:13,725 INFO L175 Difference]: Start difference. First operand has 60 places, 46 transitions, 150 flow. Second operand 7 states and 149 transitions. [2024-11-10 18:03:13,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 104 transitions, 521 flow [2024-11-10 18:03:13,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 104 transitions, 511 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-11-10 18:03:13,727 INFO L231 Difference]: Finished difference. Result has 64 places, 46 transitions, 157 flow [2024-11-10 18:03:13,728 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=143, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=157, PETRI_PLACES=64, PETRI_TRANSITIONS=46} [2024-11-10 18:03:13,728 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 14 predicate places. [2024-11-10 18:03:13,728 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 46 transitions, 157 flow [2024-11-10 18:03:13,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:03:13,729 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:03:13,729 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:03:13,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 18:03:13,729 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-10 18:03:13,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:03:13,730 INFO L85 PathProgramCache]: Analyzing trace with hash 956718993, now seen corresponding path program 4 times [2024-11-10 18:03:13,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:03:13,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642899476] [2024-11-10 18:03:13,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:03:13,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:03:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:03:13,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:03:13,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:03:13,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642899476] [2024-11-10 18:03:13,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642899476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:03:13,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:03:13,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 18:03:13,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494207249] [2024-11-10 18:03:13,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:03:13,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:03:13,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:03:13,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:03:13,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:03:13,834 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 46 [2024-11-10 18:03:13,834 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 46 transitions, 157 flow. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:03:13,835 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:03:13,835 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 46 [2024-11-10 18:03:13,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:03:14,186 INFO L124 PetriNetUnfolderBase]: 2888/4390 cut-off events. [2024-11-10 18:03:14,186 INFO L125 PetriNetUnfolderBase]: For 1773/1773 co-relation queries the response was YES. [2024-11-10 18:03:14,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10730 conditions, 4390 events. 2888/4390 cut-off events. For 1773/1773 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 22223 event pairs, 582 based on Foata normal form. 8/4396 useless extension candidates. Maximal degree in co-relation 10721. Up to 2214 conditions per place. [2024-11-10 18:03:14,196 INFO L140 encePairwiseOnDemand]: 41/46 looper letters, 0 selfloop transitions, 0 changer transitions 93/93 dead transitions. [2024-11-10 18:03:14,196 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 93 transitions, 492 flow [2024-11-10 18:03:14,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:03:14,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 18:03:14,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 129 transitions. [2024-11-10 18:03:14,197 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4673913043478261 [2024-11-10 18:03:14,197 INFO L175 Difference]: Start difference. First operand has 64 places, 46 transitions, 157 flow. Second operand 6 states and 129 transitions. [2024-11-10 18:03:14,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 93 transitions, 492 flow [2024-11-10 18:03:14,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 93 transitions, 480 flow, removed 2 selfloop flow, removed 4 redundant places. [2024-11-10 18:03:14,200 INFO L231 Difference]: Finished difference. Result has 58 places, 0 transitions, 0 flow [2024-11-10 18:03:14,200 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=141, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=58, PETRI_TRANSITIONS=0} [2024-11-10 18:03:14,201 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 8 predicate places. [2024-11-10 18:03:14,201 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 0 transitions, 0 flow [2024-11-10 18:03:14,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:03:14,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-11-10 18:03:14,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-11-10 18:03:14,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-10 18:03:14,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-11-10 18:03:14,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-11-10 18:03:14,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 18:03:14,205 INFO L407 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1] [2024-11-10 18:03:14,207 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 18:03:14,208 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 18:03:14,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:03:14 BasicIcfg [2024-11-10 18:03:14,212 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 18:03:14,213 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 18:03:14,213 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 18:03:14,213 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 18:03:14,213 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:03:09" (3/4) ... [2024-11-10 18:03:14,215 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 18:03:14,218 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-10 18:03:14,218 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-10 18:03:14,218 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-10 18:03:14,221 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2024-11-10 18:03:14,221 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-10 18:03:14,221 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-10 18:03:14,221 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-10 18:03:14,281 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 18:03:14,281 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 18:03:14,281 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 18:03:14,282 INFO L158 Benchmark]: Toolchain (without parser) took 5890.88ms. Allocated memory was 144.7MB in the beginning and 614.5MB in the end (delta: 469.8MB). Free memory was 72.7MB in the beginning and 318.8MB in the end (delta: -246.1MB). Peak memory consumption was 224.6MB. Max. memory is 16.1GB. [2024-11-10 18:03:14,282 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 144.7MB. Free memory was 95.9MB in the beginning and 95.7MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:03:14,282 INFO L158 Benchmark]: CACSL2BoogieTranslator took 447.63ms. Allocated memory was 144.7MB in the beginning and 201.3MB in the end (delta: 56.6MB). Free memory was 72.5MB in the beginning and 171.2MB in the end (delta: -98.8MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2024-11-10 18:03:14,283 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.62ms. Allocated memory is still 201.3MB. Free memory was 171.2MB in the beginning and 169.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:03:14,283 INFO L158 Benchmark]: Boogie Preprocessor took 48.00ms. Allocated memory is still 201.3MB. Free memory was 169.5MB in the beginning and 167.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:03:14,283 INFO L158 Benchmark]: IcfgBuilder took 392.34ms. Allocated memory is still 201.3MB. Free memory was 166.3MB in the beginning and 145.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-10 18:03:14,284 INFO L158 Benchmark]: TraceAbstraction took 4889.34ms. Allocated memory was 201.3MB in the beginning and 614.5MB in the end (delta: 413.1MB). Free memory was 144.3MB in the beginning and 323.0MB in the end (delta: -178.6MB). Peak memory consumption was 235.6MB. Max. memory is 16.1GB. [2024-11-10 18:03:14,284 INFO L158 Benchmark]: Witness Printer took 68.81ms. Allocated memory is still 614.5MB. Free memory was 323.0MB in the beginning and 318.8MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:03:14,285 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 144.7MB. Free memory was 95.9MB in the beginning and 95.7MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 447.63ms. Allocated memory was 144.7MB in the beginning and 201.3MB in the end (delta: 56.6MB). Free memory was 72.5MB in the beginning and 171.2MB in the end (delta: -98.8MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.62ms. Allocated memory is still 201.3MB. Free memory was 171.2MB in the beginning and 169.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.00ms. Allocated memory is still 201.3MB. Free memory was 169.5MB in the beginning and 167.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 392.34ms. Allocated memory is still 201.3MB. Free memory was 166.3MB in the beginning and 145.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4889.34ms. Allocated memory was 201.3MB in the beginning and 614.5MB in the end (delta: 413.1MB). Free memory was 144.3MB in the beginning and 323.0MB in the end (delta: -178.6MB). Peak memory consumption was 235.6MB. Max. memory is 16.1GB. * Witness Printer took 68.81ms. Allocated memory is still 614.5MB. Free memory was 323.0MB in the beginning and 318.8MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 782]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 17]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 72 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.8s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 449 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 440 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1291 IncrementalHoareTripleChecker+Invalid, 1306 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 7 mSDtfsCounter, 1291 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=169occurred in iteration=4, InterpolantAutomatonStates: 43, 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, 0.9s InterpolantComputationTime, 210 NumberOfCodeBlocks, 210 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 202 ConstructedInterpolants, 0 QuantifiedInterpolants, 632 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 18:03:14,306 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE