./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7912270168edfe57ed71790473a28594e3bc48002f5ead86961705c042bbf781 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:02:15,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:02:15,846 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-10 18:02:15,853 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:02:15,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:02:15,887 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:02:15,889 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:02:15,889 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:02:15,890 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:02:15,892 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:02:15,892 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:02:15,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:02:15,893 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:02:15,895 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:02:15,895 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:02:15,895 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:02:15,896 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:02:15,896 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:02:15,896 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:02:15,896 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:02:15,897 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-10 18:02:15,897 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-10 18:02:15,897 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-10 18:02:15,898 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:02:15,898 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 18:02:15,898 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:02:15,899 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:02:15,899 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:02:15,899 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:02:15,900 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:02:15,900 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:02:15,900 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:02:15,900 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:02:15,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:02:15,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:02:15,902 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:02:15,902 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:02:15,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:02:15,902 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:02:15,903 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:02:15,903 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:02:15,904 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:02:15,904 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7912270168edfe57ed71790473a28594e3bc48002f5ead86961705c042bbf781 [2024-11-10 18:02:16,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:02:16,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:02:16,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:02:16,180 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:02:16,181 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:02:16,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-10 18:02:17,638 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:02:17,882 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:02:17,883 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-10 18:02:17,897 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/730f5a45a/141ea96862db498ba0d1c15a77b03f54/FLAG015a737d3 [2024-11-10 18:02:17,914 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/730f5a45a/141ea96862db498ba0d1c15a77b03f54 [2024-11-10 18:02:17,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:02:17,918 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:02:17,920 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:02:17,921 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:02:17,926 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:02:17,927 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:02:17" (1/1) ... [2024-11-10 18:02:17,928 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37e14a19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:17, skipping insertion in model container [2024-11-10 18:02:17,928 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:02:17" (1/1) ... [2024-11-10 18:02:17,984 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:02:18,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:02:18,394 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:02:18,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:02:18,483 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:02:18,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:18 WrapperNode [2024-11-10 18:02:18,484 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:02:18,485 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:02:18,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:02:18,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:02:18,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:18" (1/1) ... [2024-11-10 18:02:18,509 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:18" (1/1) ... [2024-11-10 18:02:18,532 INFO L138 Inliner]: procedures = 176, calls = 47, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 68 [2024-11-10 18:02:18,533 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:02:18,534 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:02:18,535 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:02:18,535 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:02:18,544 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:18" (1/1) ... [2024-11-10 18:02:18,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:18" (1/1) ... [2024-11-10 18:02:18,548 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:18" (1/1) ... [2024-11-10 18:02:18,574 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 18:02:18,575 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:18" (1/1) ... [2024-11-10 18:02:18,575 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:18" (1/1) ... [2024-11-10 18:02:18,584 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:18" (1/1) ... [2024-11-10 18:02:18,587 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:18" (1/1) ... [2024-11-10 18:02:18,589 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:18" (1/1) ... [2024-11-10 18:02:18,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:18" (1/1) ... [2024-11-10 18:02:18,596 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:02:18,601 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:02:18,601 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:02:18,601 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:02:18,602 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:18" (1/1) ... [2024-11-10 18:02:18,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:02:18,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:02:18,638 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 18:02:18,641 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 18:02:18,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-10 18:02:18,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:02:18,691 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-10 18:02:18,691 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-10 18:02:18,692 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-10 18:02:18,692 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-10 18:02:18,692 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-10 18:02:18,692 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-10 18:02:18,692 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-10 18:02:18,692 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-10 18:02:18,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:02:18,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-10 18:02:18,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:02:18,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:02:18,695 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 18:02:18,846 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:02:18,849 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:02:19,037 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 18:02:19,038 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:02:19,153 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:02:19,153 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:02:19,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:02:19 BoogieIcfgContainer [2024-11-10 18:02:19,154 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:02:19,159 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:02:19,159 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:02:19,162 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:02:19,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:02:17" (1/3) ... [2024-11-10 18:02:19,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f99e50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:02:19, skipping insertion in model container [2024-11-10 18:02:19,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:02:18" (2/3) ... [2024-11-10 18:02:19,165 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f99e50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:02:19, skipping insertion in model container [2024-11-10 18:02:19,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:02:19" (3/3) ... [2024-11-10 18:02:19,168 INFO L112 eAbstractionObserver]: Analyzing ICFG safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-10 18:02:19,185 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:02:19,185 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 18:02:19,185 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 18:02:19,244 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 18:02:19,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 61 places, 50 transitions, 116 flow [2024-11-10 18:02:19,315 INFO L124 PetriNetUnfolderBase]: 2/46 cut-off events. [2024-11-10 18:02:19,315 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 18:02:19,323 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 83 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. [2024-11-10 18:02:19,323 INFO L82 GeneralOperation]: Start removeDead. Operand has 61 places, 50 transitions, 116 flow [2024-11-10 18:02:19,329 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 56 places, 45 transitions, 102 flow [2024-11-10 18:02:19,337 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:02:19,343 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;@6a860ed3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:02:19,343 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-10 18:02:19,361 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 18:02:19,361 INFO L124 PetriNetUnfolderBase]: 2/43 cut-off events. [2024-11-10 18:02:19,361 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 18:02:19,361 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:02:19,362 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:02:19,363 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)] === [2024-11-10 18:02:19,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:02:19,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1085339558, now seen corresponding path program 1 times [2024-11-10 18:02:19,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:02:19,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009139232] [2024-11-10 18:02:19,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:02:19,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:02:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:02:19,719 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 18:02:19,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:02:19,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009139232] [2024-11-10 18:02:19,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009139232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:02:19,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:02:19,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 18:02:19,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433775875] [2024-11-10 18:02:19,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:02:19,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:02:19,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:02:19,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:02:19,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:02:19,813 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 50 [2024-11-10 18:02:19,817 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) [2024-11-10 18:02:19,817 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:02:19,817 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 50 [2024-11-10 18:02:19,818 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:02:23,057 INFO L124 PetriNetUnfolderBase]: 26557/37849 cut-off events. [2024-11-10 18:02:23,057 INFO L125 PetriNetUnfolderBase]: For 178/178 co-relation queries the response was YES. [2024-11-10 18:02:23,183 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 242886 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. [2024-11-10 18:02:23,385 INFO L140 encePairwiseOnDemand]: 46/50 looper letters, 32 selfloop transitions, 1 changer transitions 1/41 dead transitions. [2024-11-10 18:02:23,385 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 41 transitions, 162 flow [2024-11-10 18:02:23,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:02:23,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 18:02:23,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 70 transitions. [2024-11-10 18:02:23,398 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4666666666666667 [2024-11-10 18:02:23,399 INFO L175 Difference]: Start difference. First operand has 56 places, 45 transitions, 102 flow. Second operand 3 states and 70 transitions. [2024-11-10 18:02:23,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 41 transitions, 162 flow [2024-11-10 18:02:23,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 41 transitions, 158 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-10 18:02:23,410 INFO L231 Difference]: Finished difference. Result has 52 places, 40 transitions, 90 flow [2024-11-10 18:02:23,412 INFO L260 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} [2024-11-10 18:02:23,417 INFO L277 CegarLoopForPetriNet]: 56 programPoint places, -4 predicate places. [2024-11-10 18:02:23,418 INFO L471 AbstractCegarLoop]: Abstraction has has 52 places, 40 transitions, 90 flow [2024-11-10 18:02:23,418 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) [2024-11-10 18:02:23,418 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:02:23,418 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:02:23,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:02:23,419 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)] === [2024-11-10 18:02:23,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:02:23,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1085340229, now seen corresponding path program 1 times [2024-11-10 18:02:23,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:02:23,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411354848] [2024-11-10 18:02:23,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:02:23,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:02:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:02:23,759 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 18:02:23,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:02:23,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411354848] [2024-11-10 18:02:23,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411354848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:02:23,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:02:23,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:02:23,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774992399] [2024-11-10 18:02:23,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:02:23,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:02:23,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:02:23,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:02:23,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:02:23,767 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 50 [2024-11-10 18:02:23,768 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) [2024-11-10 18:02:23,768 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:02:23,768 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 50 [2024-11-10 18:02:23,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:02:26,970 INFO L124 PetriNetUnfolderBase]: 34142/47033 cut-off events. [2024-11-10 18:02:26,970 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 18:02:27,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92746 conditions, 47033 events. 34142/47033 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1607. Compared 299261 event pairs, 7367 based on Foata normal form. 0/46152 useless extension candidates. Maximal degree in co-relation 92740. Up to 30566 conditions per place. [2024-11-10 18:02:27,297 INFO L140 encePairwiseOnDemand]: 43/50 looper letters, 50 selfloop transitions, 3 changer transitions 80/139 dead transitions. [2024-11-10 18:02:27,297 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 139 transitions, 560 flow [2024-11-10 18:02:27,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 18:02:27,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-10 18:02:27,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 223 transitions. [2024-11-10 18:02:27,300 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5575 [2024-11-10 18:02:27,300 INFO L175 Difference]: Start difference. First operand has 52 places, 40 transitions, 90 flow. Second operand 8 states and 223 transitions. [2024-11-10 18:02:27,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 139 transitions, 560 flow [2024-11-10 18:02:27,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 139 transitions, 559 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 18:02:27,306 INFO L231 Difference]: Finished difference. Result has 62 places, 41 transitions, 122 flow [2024-11-10 18:02:27,306 INFO L260 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} [2024-11-10 18:02:27,307 INFO L277 CegarLoopForPetriNet]: 56 programPoint places, 6 predicate places. [2024-11-10 18:02:27,307 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 41 transitions, 122 flow [2024-11-10 18:02:27,308 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) [2024-11-10 18:02:27,308 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:02:27,308 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:02:27,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:02:27,309 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)] === [2024-11-10 18:02:27,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:02:27,310 INFO L85 PathProgramCache]: Analyzing trace with hash 136886436, now seen corresponding path program 1 times [2024-11-10 18:02:27,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:02:27,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105175416] [2024-11-10 18:02:27,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:02:27,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:02:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:02:27,516 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 18:02:27,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:02:27,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105175416] [2024-11-10 18:02:27,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105175416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:02:27,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:02:27,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 18:02:27,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172525921] [2024-11-10 18:02:27,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:02:27,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:02:27,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:02:27,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:02:27,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:02:27,528 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 50 [2024-11-10 18:02:27,529 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) [2024-11-10 18:02:27,529 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:02:27,529 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 50 [2024-11-10 18:02:27,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:02:29,936 INFO L124 PetriNetUnfolderBase]: 26297/36515 cut-off events. [2024-11-10 18:02:29,936 INFO L125 PetriNetUnfolderBase]: For 14502/14502 co-relation queries the response was YES. [2024-11-10 18:02:30,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83803 conditions, 36515 events. 26297/36515 cut-off events. For 14502/14502 co-relation queries the response was YES. Maximal size of possible extension queue 1200. Compared 224149 event pairs, 3682 based on Foata normal form. 750/37228 useless extension candidates. Maximal degree in co-relation 83791. Up to 26491 conditions per place. [2024-11-10 18:02:30,193 INFO L140 encePairwiseOnDemand]: 45/50 looper letters, 50 selfloop transitions, 3 changer transitions 61/120 dead transitions. [2024-11-10 18:02:30,193 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 120 transitions, 532 flow [2024-11-10 18:02:30,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:02:30,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-10 18:02:30,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 192 transitions. [2024-11-10 18:02:30,198 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5485714285714286 [2024-11-10 18:02:30,198 INFO L175 Difference]: Start difference. First operand has 62 places, 41 transitions, 122 flow. Second operand 7 states and 192 transitions. [2024-11-10 18:02:30,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 120 transitions, 532 flow [2024-11-10 18:02:30,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 120 transitions, 515 flow, removed 7 selfloop flow, removed 3 redundant places. [2024-11-10 18:02:30,687 INFO L231 Difference]: Finished difference. Result has 64 places, 41 transitions, 132 flow [2024-11-10 18:02:30,687 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=113, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=132, PETRI_PLACES=64, PETRI_TRANSITIONS=41} [2024-11-10 18:02:30,688 INFO L277 CegarLoopForPetriNet]: 56 programPoint places, 8 predicate places. [2024-11-10 18:02:30,688 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 41 transitions, 132 flow [2024-11-10 18:02:30,689 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) [2024-11-10 18:02:30,689 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:02:30,689 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:02:30,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 18:02:30,689 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)] === [2024-11-10 18:02:30,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:02:30,690 INFO L85 PathProgramCache]: Analyzing trace with hash -773984040, now seen corresponding path program 1 times [2024-11-10 18:02:30,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:02:30,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229299009] [2024-11-10 18:02:30,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:02:30,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:02:30,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:02:30,849 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 18:02:30,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:02:30,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229299009] [2024-11-10 18:02:30,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229299009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:02:30,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:02:30,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 18:02:30,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029182631] [2024-11-10 18:02:30,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:02:30,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:02:30,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:02:30,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:02:30,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:02:30,856 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 50 [2024-11-10 18:02:30,856 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 41 transitions, 132 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) [2024-11-10 18:02:30,857 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:02:30,857 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 50 [2024-11-10 18:02:30,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:02:33,334 INFO L124 PetriNetUnfolderBase]: 29477/40678 cut-off events. [2024-11-10 18:02:33,335 INFO L125 PetriNetUnfolderBase]: For 27596/27596 co-relation queries the response was YES. [2024-11-10 18:02:33,434 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96678 conditions, 40678 events. 29477/40678 cut-off events. For 27596/27596 co-relation queries the response was YES. Maximal size of possible extension queue 1308. Compared 248320 event pairs, 2965 based on Foata normal form. 875/41546 useless extension candidates. Maximal degree in co-relation 96662. Up to 25063 conditions per place. [2024-11-10 18:02:33,566 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 91 selfloop transitions, 13 changer transitions 114/224 dead transitions. [2024-11-10 18:02:33,567 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 224 transitions, 1076 flow [2024-11-10 18:02:33,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 18:02:33,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-10 18:02:33,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 363 transitions. [2024-11-10 18:02:33,570 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5584615384615385 [2024-11-10 18:02:33,570 INFO L175 Difference]: Start difference. First operand has 64 places, 41 transitions, 132 flow. Second operand 13 states and 363 transitions. [2024-11-10 18:02:33,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 224 transitions, 1076 flow [2024-11-10 18:02:34,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 224 transitions, 1030 flow, removed 18 selfloop flow, removed 6 redundant places. [2024-11-10 18:02:34,222 INFO L231 Difference]: Finished difference. Result has 77 places, 51 transitions, 261 flow [2024-11-10 18:02:34,222 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=261, PETRI_PLACES=77, PETRI_TRANSITIONS=51} [2024-11-10 18:02:34,223 INFO L277 CegarLoopForPetriNet]: 56 programPoint places, 21 predicate places. [2024-11-10 18:02:34,223 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 51 transitions, 261 flow [2024-11-10 18:02:34,223 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) [2024-11-10 18:02:34,223 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:02:34,224 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] [2024-11-10 18:02:34,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 18:02:34,224 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)] === [2024-11-10 18:02:34,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:02:34,225 INFO L85 PathProgramCache]: Analyzing trace with hash -332917209, now seen corresponding path program 1 times [2024-11-10 18:02:34,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:02:34,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404157977] [2024-11-10 18:02:34,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:02:34,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:02:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:02:34,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:02:34,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:02:34,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404157977] [2024-11-10 18:02:34,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404157977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:02:34,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:02:34,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:02:34,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000583515] [2024-11-10 18:02:34,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:02:34,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:02:34,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:02:34,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:02:34,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:02:34,359 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 50 [2024-11-10 18:02:34,360 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 51 transitions, 261 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) [2024-11-10 18:02:34,360 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:02:34,360 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 50 [2024-11-10 18:02:34,360 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:02:36,883 INFO L124 PetriNetUnfolderBase]: 27316/37612 cut-off events. [2024-11-10 18:02:36,883 INFO L125 PetriNetUnfolderBase]: For 115493/115493 co-relation queries the response was YES. [2024-11-10 18:02:36,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121451 conditions, 37612 events. 27316/37612 cut-off events. For 115493/115493 co-relation queries the response was YES. Maximal size of possible extension queue 1118. Compared 222708 event pairs, 11336 based on Foata normal form. 720/38316 useless extension candidates. Maximal degree in co-relation 121428. Up to 27914 conditions per place. [2024-11-10 18:02:37,511 INFO L140 encePairwiseOnDemand]: 45/50 looper letters, 64 selfloop transitions, 6 changer transitions 61/137 dead transitions. [2024-11-10 18:02:37,511 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 137 transitions, 875 flow [2024-11-10 18:02:37,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:02:37,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-10 18:02:37,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 196 transitions. [2024-11-10 18:02:37,513 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.56 [2024-11-10 18:02:37,513 INFO L175 Difference]: Start difference. First operand has 77 places, 51 transitions, 261 flow. Second operand 7 states and 196 transitions. [2024-11-10 18:02:37,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 137 transitions, 875 flow [2024-11-10 18:02:37,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 137 transitions, 776 flow, removed 43 selfloop flow, removed 7 redundant places. [2024-11-10 18:02:37,738 INFO L231 Difference]: Finished difference. Result has 73 places, 51 transitions, 248 flow [2024-11-10 18:02:37,738 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=248, PETRI_PLACES=73, PETRI_TRANSITIONS=51} [2024-11-10 18:02:37,739 INFO L277 CegarLoopForPetriNet]: 56 programPoint places, 17 predicate places. [2024-11-10 18:02:37,739 INFO L471 AbstractCegarLoop]: Abstraction has has 73 places, 51 transitions, 248 flow [2024-11-10 18:02:37,739 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) [2024-11-10 18:02:37,740 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:02:37,740 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 18:02:37,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 18:02:37,740 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)] === [2024-11-10 18:02:37,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:02:37,741 INFO L85 PathProgramCache]: Analyzing trace with hash 743393315, now seen corresponding path program 1 times [2024-11-10 18:02:37,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:02:37,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028159393] [2024-11-10 18:02:37,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:02:37,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:02:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:02:37,881 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 18:02:37,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:02:37,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028159393] [2024-11-10 18:02:37,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028159393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:02:37,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:02:37,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 18:02:37,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352951855] [2024-11-10 18:02:37,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:02:37,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 18:02:37,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:02:37,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 18:02:37,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:02:37,887 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 50 [2024-11-10 18:02:37,888 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 51 transitions, 248 flow. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 7 states have internal predecessors, (94), 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 18:02:37,888 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:02:37,888 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 50 [2024-11-10 18:02:37,888 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:02:41,091 INFO L124 PetriNetUnfolderBase]: 35174/47791 cut-off events. [2024-11-10 18:02:41,092 INFO L125 PetriNetUnfolderBase]: For 86079/86079 co-relation queries the response was YES. [2024-11-10 18:02:41,256 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137658 conditions, 47791 events. 35174/47791 cut-off events. For 86079/86079 co-relation queries the response was YES. Maximal size of possible extension queue 1469. Compared 283802 event pairs, 5535 based on Foata normal form. 625/48396 useless extension candidates. Maximal degree in co-relation 137635. Up to 19636 conditions per place. [2024-11-10 18:02:41,328 INFO L140 encePairwiseOnDemand]: 44/50 looper letters, 65 selfloop transitions, 5 changer transitions 78/154 dead transitions. [2024-11-10 18:02:41,328 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 154 transitions, 922 flow [2024-11-10 18:02:41,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 18:02:41,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-10 18:02:41,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 227 transitions. [2024-11-10 18:02:41,330 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5675 [2024-11-10 18:02:41,330 INFO L175 Difference]: Start difference. First operand has 73 places, 51 transitions, 248 flow. Second operand 8 states and 227 transitions. [2024-11-10 18:02:41,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 154 transitions, 922 flow [2024-11-10 18:02:42,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 154 transitions, 876 flow, removed 15 selfloop flow, removed 8 redundant places. [2024-11-10 18:02:42,046 INFO L231 Difference]: Finished difference. Result has 74 places, 43 transitions, 199 flow [2024-11-10 18:02:42,046 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=199, PETRI_PLACES=74, PETRI_TRANSITIONS=43} [2024-11-10 18:02:42,047 INFO L277 CegarLoopForPetriNet]: 56 programPoint places, 18 predicate places. [2024-11-10 18:02:42,047 INFO L471 AbstractCegarLoop]: Abstraction has has 74 places, 43 transitions, 199 flow [2024-11-10 18:02:42,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 7 states have internal predecessors, (94), 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 18:02:42,047 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:02:42,047 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:02:42,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 18:02:42,047 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)] === [2024-11-10 18:02:42,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:02:42,048 INFO L85 PathProgramCache]: Analyzing trace with hash -2020649760, now seen corresponding path program 1 times [2024-11-10 18:02:42,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:02:42,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282287597] [2024-11-10 18:02:42,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:02:42,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:02:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:02:42,146 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 18:02:42,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:02:42,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282287597] [2024-11-10 18:02:42,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282287597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:02:42,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:02:42,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 18:02:42,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156695541] [2024-11-10 18:02:42,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:02:42,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:02:42,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:02:42,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:02:42,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:02:42,154 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 50 [2024-11-10 18:02:42,154 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 43 transitions, 199 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) [2024-11-10 18:02:42,154 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:02:42,155 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 50 [2024-11-10 18:02:42,155 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:02:44,339 INFO L124 PetriNetUnfolderBase]: 26197/35873 cut-off events. [2024-11-10 18:02:44,339 INFO L125 PetriNetUnfolderBase]: For 63495/63495 co-relation queries the response was YES. [2024-11-10 18:02:44,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103751 conditions, 35873 events. 26197/35873 cut-off events. For 63495/63495 co-relation queries the response was YES. Maximal size of possible extension queue 985. Compared 200691 event pairs, 3256 based on Foata normal form. 500/36313 useless extension candidates. Maximal degree in co-relation 103728. Up to 15196 conditions per place. [2024-11-10 18:02:44,516 INFO L140 encePairwiseOnDemand]: 44/50 looper letters, 59 selfloop transitions, 5 changer transitions 71/141 dead transitions. [2024-11-10 18:02:44,516 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 141 transitions, 868 flow [2024-11-10 18:02:44,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 18:02:44,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-10 18:02:44,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 217 transitions. [2024-11-10 18:02:44,517 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5425 [2024-11-10 18:02:44,517 INFO L175 Difference]: Start difference. First operand has 74 places, 43 transitions, 199 flow. Second operand 8 states and 217 transitions. [2024-11-10 18:02:44,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 141 transitions, 868 flow [2024-11-10 18:02:44,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 141 transitions, 794 flow, removed 17 selfloop flow, removed 10 redundant places. [2024-11-10 18:02:44,969 INFO L231 Difference]: Finished difference. Result has 73 places, 43 transitions, 194 flow [2024-11-10 18:02:44,969 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=194, PETRI_PLACES=73, PETRI_TRANSITIONS=43} [2024-11-10 18:02:44,970 INFO L277 CegarLoopForPetriNet]: 56 programPoint places, 17 predicate places. [2024-11-10 18:02:44,970 INFO L471 AbstractCegarLoop]: Abstraction has has 73 places, 43 transitions, 194 flow [2024-11-10 18:02:44,970 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) [2024-11-10 18:02:44,970 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:02:44,971 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] [2024-11-10 18:02:44,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 18:02:44,971 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)] === [2024-11-10 18:02:44,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:02:44,971 INFO L85 PathProgramCache]: Analyzing trace with hash 713249783, now seen corresponding path program 1 times [2024-11-10 18:02:44,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:02:44,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306565259] [2024-11-10 18:02:44,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:02:44,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:02:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:02:45,094 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 18:02:45,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:02:45,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306565259] [2024-11-10 18:02:45,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306565259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:02:45,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:02:45,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:02:45,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554251526] [2024-11-10 18:02:45,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:02:45,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:02:45,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:02:45,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:02:45,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:02:45,096 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 50 [2024-11-10 18:02:45,096 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 43 transitions, 194 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) [2024-11-10 18:02:45,096 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:02:45,096 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 50 [2024-11-10 18:02:45,096 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:02:46,397 INFO L124 PetriNetUnfolderBase]: 12988/18387 cut-off events. [2024-11-10 18:02:46,397 INFO L125 PetriNetUnfolderBase]: For 33841/33841 co-relation queries the response was YES. [2024-11-10 18:02:46,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52605 conditions, 18387 events. 12988/18387 cut-off events. For 33841/33841 co-relation queries the response was YES. Maximal size of possible extension queue 496. Compared 102598 event pairs, 1366 based on Foata normal form. 625/19006 useless extension candidates. Maximal degree in co-relation 52584. Up to 10945 conditions per place. [2024-11-10 18:02:46,513 INFO L140 encePairwiseOnDemand]: 43/50 looper letters, 76 selfloop transitions, 6 changer transitions 1/89 dead transitions. [2024-11-10 18:02:46,513 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 89 transitions, 586 flow [2024-11-10 18:02:46,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:02:46,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 18:02:46,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 121 transitions. [2024-11-10 18:02:46,515 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.605 [2024-11-10 18:02:46,515 INFO L175 Difference]: Start difference. First operand has 73 places, 43 transitions, 194 flow. Second operand 4 states and 121 transitions. [2024-11-10 18:02:46,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 89 transitions, 586 flow [2024-11-10 18:02:46,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 89 transitions, 544 flow, removed 6 selfloop flow, removed 8 redundant places. [2024-11-10 18:02:46,589 INFO L231 Difference]: Finished difference. Result has 66 places, 47 transitions, 212 flow [2024-11-10 18:02:46,589 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=212, PETRI_PLACES=66, PETRI_TRANSITIONS=47} [2024-11-10 18:02:46,590 INFO L277 CegarLoopForPetriNet]: 56 programPoint places, 10 predicate places. [2024-11-10 18:02:46,590 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 47 transitions, 212 flow [2024-11-10 18:02:46,590 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) [2024-11-10 18:02:46,590 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:02:46,591 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 18:02:46,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 18:02:46,591 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)] === [2024-11-10 18:02:46,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:02:46,591 INFO L85 PathProgramCache]: Analyzing trace with hash 888517552, now seen corresponding path program 1 times [2024-11-10 18:02:46,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:02:46,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198410918] [2024-11-10 18:02:46,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:02:46,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:02:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:02:46,695 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 18:02:46,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:02:46,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198410918] [2024-11-10 18:02:46,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198410918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:02:46,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:02:46,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:02:46,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665111411] [2024-11-10 18:02:46,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:02:46,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:02:46,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:02:46,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:02:46,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:02:46,699 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 50 [2024-11-10 18:02:46,699 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 47 transitions, 212 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) [2024-11-10 18:02:46,699 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:02:46,699 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 50 [2024-11-10 18:02:46,699 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:02:47,553 INFO L124 PetriNetUnfolderBase]: 9442/13512 cut-off events. [2024-11-10 18:02:47,554 INFO L125 PetriNetUnfolderBase]: For 22907/22907 co-relation queries the response was YES. [2024-11-10 18:02:47,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40108 conditions, 13512 events. 9442/13512 cut-off events. For 22907/22907 co-relation queries the response was YES. Maximal size of possible extension queue 367. Compared 72011 event pairs, 630 based on Foata normal form. 544/14050 useless extension candidates. Maximal degree in co-relation 40091. Up to 6481 conditions per place. [2024-11-10 18:02:47,613 INFO L140 encePairwiseOnDemand]: 43/50 looper letters, 93 selfloop transitions, 10 changer transitions 1/110 dead transitions. [2024-11-10 18:02:47,613 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 110 transitions, 717 flow [2024-11-10 18:02:47,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:02:47,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 18:02:47,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 154 transitions. [2024-11-10 18:02:47,614 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.616 [2024-11-10 18:02:47,614 INFO L175 Difference]: Start difference. First operand has 66 places, 47 transitions, 212 flow. Second operand 5 states and 154 transitions. [2024-11-10 18:02:47,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 110 transitions, 717 flow [2024-11-10 18:02:47,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 110 transitions, 706 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-10 18:02:47,622 INFO L231 Difference]: Finished difference. Result has 70 places, 51 transitions, 264 flow [2024-11-10 18:02:47,622 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=203, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=264, PETRI_PLACES=70, PETRI_TRANSITIONS=51} [2024-11-10 18:02:47,623 INFO L277 CegarLoopForPetriNet]: 56 programPoint places, 14 predicate places. [2024-11-10 18:02:47,623 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 51 transitions, 264 flow [2024-11-10 18:02:47,623 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) [2024-11-10 18:02:47,624 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:02:47,624 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] [2024-11-10 18:02:47,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 18:02:47,624 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)] === [2024-11-10 18:02:47,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:02:47,624 INFO L85 PathProgramCache]: Analyzing trace with hash 440266591, now seen corresponding path program 1 times [2024-11-10 18:02:47,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:02:47,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934182313] [2024-11-10 18:02:47,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:02:47,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:02:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:02:47,719 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 18:02:47,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:02:47,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934182313] [2024-11-10 18:02:47,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934182313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:02:47,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:02:47,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 18:02:47,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980080754] [2024-11-10 18:02:47,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:02:47,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:02:47,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:02:47,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:02:47,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:02:47,724 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 50 [2024-11-10 18:02:47,725 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 51 transitions, 264 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) [2024-11-10 18:02:47,725 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:02:47,725 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 50 [2024-11-10 18:02:47,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:02:48,288 INFO L124 PetriNetUnfolderBase]: 5674/8140 cut-off events. [2024-11-10 18:02:48,289 INFO L125 PetriNetUnfolderBase]: For 17309/17309 co-relation queries the response was YES. [2024-11-10 18:02:48,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25806 conditions, 8140 events. 5674/8140 cut-off events. For 17309/17309 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 39572 event pairs, 438 based on Foata normal form. 328/8462 useless extension candidates. Maximal degree in co-relation 25787. Up to 2376 conditions per place. [2024-11-10 18:02:48,351 INFO L140 encePairwiseOnDemand]: 43/50 looper letters, 102 selfloop transitions, 14 changer transitions 1/123 dead transitions. [2024-11-10 18:02:48,351 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 123 transitions, 849 flow [2024-11-10 18:02:48,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:02:48,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 18:02:48,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 181 transitions. [2024-11-10 18:02:48,436 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6033333333333334 [2024-11-10 18:02:48,437 INFO L175 Difference]: Start difference. First operand has 70 places, 51 transitions, 264 flow. Second operand 6 states and 181 transitions. [2024-11-10 18:02:48,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 123 transitions, 849 flow [2024-11-10 18:02:48,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 123 transitions, 819 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-10 18:02:48,468 INFO L231 Difference]: Finished difference. Result has 73 places, 55 transitions, 314 flow [2024-11-10 18:02:48,468 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=237, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=314, PETRI_PLACES=73, PETRI_TRANSITIONS=55} [2024-11-10 18:02:48,469 INFO L277 CegarLoopForPetriNet]: 56 programPoint places, 17 predicate places. [2024-11-10 18:02:48,469 INFO L471 AbstractCegarLoop]: Abstraction has has 73 places, 55 transitions, 314 flow [2024-11-10 18:02:48,469 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) [2024-11-10 18:02:48,469 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:02:48,469 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] [2024-11-10 18:02:48,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 18:02:48,469 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)] === [2024-11-10 18:02:48,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:02:48,470 INFO L85 PathProgramCache]: Analyzing trace with hash 2074103517, now seen corresponding path program 1 times [2024-11-10 18:02:48,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:02:48,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109207846] [2024-11-10 18:02:48,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:02:48,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:02:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:02:48,588 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 18:02:48,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:02:48,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109207846] [2024-11-10 18:02:48,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109207846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:02:48,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:02:48,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 18:02:48,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929055568] [2024-11-10 18:02:48,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:02:48,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:02:48,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:02:48,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:02:48,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:02:48,593 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 50 [2024-11-10 18:02:48,593 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 55 transitions, 314 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) [2024-11-10 18:02:48,593 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:02:48,594 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 50 [2024-11-10 18:02:48,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:02:49,324 INFO L124 PetriNetUnfolderBase]: 8162/11630 cut-off events. [2024-11-10 18:02:49,324 INFO L125 PetriNetUnfolderBase]: For 25645/25645 co-relation queries the response was YES. [2024-11-10 18:02:49,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37961 conditions, 11630 events. 8162/11630 cut-off events. For 25645/25645 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 58739 event pairs, 1682 based on Foata normal form. 88/11708 useless extension candidates. Maximal degree in co-relation 37941. Up to 6318 conditions per place. [2024-11-10 18:02:49,372 INFO L140 encePairwiseOnDemand]: 45/50 looper letters, 67 selfloop transitions, 2 changer transitions 52/127 dead transitions. [2024-11-10 18:02:49,372 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 127 transitions, 958 flow [2024-11-10 18:02:49,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:02:49,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 18:02:49,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 158 transitions. [2024-11-10 18:02:49,373 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5266666666666666 [2024-11-10 18:02:49,373 INFO L175 Difference]: Start difference. First operand has 73 places, 55 transitions, 314 flow. Second operand 6 states and 158 transitions. [2024-11-10 18:02:49,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 127 transitions, 958 flow [2024-11-10 18:02:49,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 127 transitions, 866 flow, removed 18 selfloop flow, removed 5 redundant places. [2024-11-10 18:02:49,430 INFO L231 Difference]: Finished difference. Result has 77 places, 56 transitions, 296 flow [2024-11-10 18:02:49,431 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=271, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=296, PETRI_PLACES=77, PETRI_TRANSITIONS=56} [2024-11-10 18:02:49,431 INFO L277 CegarLoopForPetriNet]: 56 programPoint places, 21 predicate places. [2024-11-10 18:02:49,431 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 56 transitions, 296 flow [2024-11-10 18:02:49,431 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) [2024-11-10 18:02:49,431 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:02:49,432 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] [2024-11-10 18:02:49,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 18:02:49,432 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)] === [2024-11-10 18:02:49,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:02:49,432 INFO L85 PathProgramCache]: Analyzing trace with hash 869346171, now seen corresponding path program 2 times [2024-11-10 18:02:49,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:02:49,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521976255] [2024-11-10 18:02:49,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:02:49,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:02:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:02:49,553 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 18:02:49,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:02:49,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521976255] [2024-11-10 18:02:49,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521976255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:02:49,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:02:49,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 18:02:49,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777222684] [2024-11-10 18:02:49,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:02:49,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 18:02:49,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:02:49,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 18:02:49,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:02:49,557 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 50 [2024-11-10 18:02:49,557 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 56 transitions, 296 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) [2024-11-10 18:02:49,557 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:02:49,558 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 50 [2024-11-10 18:02:49,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:02:50,084 INFO L124 PetriNetUnfolderBase]: 6106/8580 cut-off events. [2024-11-10 18:02:50,084 INFO L125 PetriNetUnfolderBase]: For 18899/18899 co-relation queries the response was YES. [2024-11-10 18:02:50,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26501 conditions, 8580 events. 6106/8580 cut-off events. For 18899/18899 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 41629 event pairs, 506 based on Foata normal form. 208/8782 useless extension candidates. Maximal degree in co-relation 26479. Up to 2720 conditions per place. [2024-11-10 18:02:50,110 INFO L140 encePairwiseOnDemand]: 43/50 looper letters, 75 selfloop transitions, 18 changer transitions 19/118 dead transitions. [2024-11-10 18:02:50,110 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 118 transitions, 812 flow [2024-11-10 18:02:50,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:02:50,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-10 18:02:50,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 186 transitions. [2024-11-10 18:02:50,111 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5314285714285715 [2024-11-10 18:02:50,111 INFO L175 Difference]: Start difference. First operand has 77 places, 56 transitions, 296 flow. Second operand 7 states and 186 transitions. [2024-11-10 18:02:50,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 118 transitions, 812 flow [2024-11-10 18:02:50,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 118 transitions, 773 flow, removed 9 selfloop flow, removed 5 redundant places. [2024-11-10 18:02:50,166 INFO L231 Difference]: Finished difference. Result has 78 places, 51 transitions, 287 flow [2024-11-10 18:02:50,166 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=287, PETRI_PLACES=78, PETRI_TRANSITIONS=51} [2024-11-10 18:02:50,167 INFO L277 CegarLoopForPetriNet]: 56 programPoint places, 22 predicate places. [2024-11-10 18:02:50,168 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 51 transitions, 287 flow [2024-11-10 18:02:50,168 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) [2024-11-10 18:02:50,168 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:02:50,168 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, 1, 1] [2024-11-10 18:02:50,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 18:02:50,169 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-10 18:02:50,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:02:50,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1747989848, now seen corresponding path program 1 times [2024-11-10 18:02:50,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:02:50,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957039593] [2024-11-10 18:02:50,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:02:50,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:02:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:02:50,288 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 18:02:50,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:02:50,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957039593] [2024-11-10 18:02:50,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957039593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:02:50,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:02:50,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 18:02:50,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357892472] [2024-11-10 18:02:50,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:02:50,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:02:50,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:02:50,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:02:50,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:02:50,292 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 50 [2024-11-10 18:02:50,292 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 51 transitions, 287 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) [2024-11-10 18:02:50,292 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:02:50,293 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 50 [2024-11-10 18:02:50,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:02:50,566 INFO L124 PetriNetUnfolderBase]: 2760/3957 cut-off events. [2024-11-10 18:02:50,567 INFO L125 PetriNetUnfolderBase]: For 8584/8584 co-relation queries the response was YES. [2024-11-10 18:02:50,574 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12683 conditions, 3957 events. 2760/3957 cut-off events. For 8584/8584 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 16712 event pairs, 540 based on Foata normal form. 16/3972 useless extension candidates. Maximal degree in co-relation 12662. Up to 2448 conditions per place. [2024-11-10 18:02:50,577 INFO L140 encePairwiseOnDemand]: 45/50 looper letters, 0 selfloop transitions, 0 changer transitions 81/81 dead transitions. [2024-11-10 18:02:50,577 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 81 transitions, 568 flow [2024-11-10 18:02:50,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:02:50,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 18:02:50,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 126 transitions. [2024-11-10 18:02:50,579 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.42 [2024-11-10 18:02:50,579 INFO L175 Difference]: Start difference. First operand has 78 places, 51 transitions, 287 flow. Second operand 6 states and 126 transitions. [2024-11-10 18:02:50,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 81 transitions, 568 flow [2024-11-10 18:02:50,595 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 81 transitions, 410 flow, removed 26 selfloop flow, removed 15 redundant places. [2024-11-10 18:02:50,595 INFO L231 Difference]: Finished difference. Result has 63 places, 0 transitions, 0 flow [2024-11-10 18:02:50,596 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=163, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=63, PETRI_TRANSITIONS=0} [2024-11-10 18:02:50,596 INFO L277 CegarLoopForPetriNet]: 56 programPoint places, 7 predicate places. [2024-11-10 18:02:50,596 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 0 transitions, 0 flow [2024-11-10 18:02:50,597 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) [2024-11-10 18:02:50,599 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining) [2024-11-10 18:02:50,599 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining) [2024-11-10 18:02:50,599 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2024-11-10 18:02:50,599 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-11-10 18:02:50,599 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-11-10 18:02:50,599 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-11-10 18:02:50,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 18:02:50,600 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:02:50,602 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 18:02:50,602 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 18:02:50,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:02:50 BasicIcfg [2024-11-10 18:02:50,606 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 18:02:50,607 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 18:02:50,607 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 18:02:50,607 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 18:02:50,607 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:02:19" (3/4) ... [2024-11-10 18:02:50,610 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 18:02:50,613 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-10 18:02:50,613 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-10 18:02:50,614 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-10 18:02:50,614 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P3 [2024-11-10 18:02:50,617 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2024-11-10 18:02:50,618 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-10 18:02:50,618 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-10 18:02:50,618 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 18:02:50,699 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 18:02:50,700 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 18:02:50,700 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 18:02:50,701 INFO L158 Benchmark]: Toolchain (without parser) took 32782.31ms. Allocated memory was 157.3MB in the beginning and 13.3GB in the end (delta: 13.1GB). Free memory was 100.6MB in the beginning and 11.3GB in the end (delta: -11.2GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2024-11-10 18:02:50,701 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:02:50,701 INFO L158 Benchmark]: CACSL2BoogieTranslator took 564.08ms. Allocated memory is still 157.3MB. Free memory was 100.6MB in the beginning and 113.8MB in the end (delta: -13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 18:02:50,701 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.65ms. Allocated memory is still 157.3MB. Free memory was 113.8MB in the beginning and 111.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:02:50,701 INFO L158 Benchmark]: Boogie Preprocessor took 65.61ms. Allocated memory is still 157.3MB. Free memory was 111.7MB in the beginning and 109.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:02:50,704 INFO L158 Benchmark]: IcfgBuilder took 553.17ms. Allocated memory is still 157.3MB. Free memory was 109.4MB in the beginning and 87.2MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 18:02:50,704 INFO L158 Benchmark]: TraceAbstraction took 31447.26ms. Allocated memory was 157.3MB in the beginning and 13.3GB in the end (delta: 13.1GB). Free memory was 86.5MB in the beginning and 11.4GB in the end (delta: -11.3GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2024-11-10 18:02:50,704 INFO L158 Benchmark]: Witness Printer took 93.47ms. Allocated memory is still 13.3GB. Free memory was 11.3GB in the beginning and 11.3GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 18:02:50,706 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 564.08ms. Allocated memory is still 157.3MB. Free memory was 100.6MB in the beginning and 113.8MB in the end (delta: -13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.65ms. Allocated memory is still 157.3MB. Free memory was 113.8MB in the beginning and 111.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.61ms. Allocated memory is still 157.3MB. Free memory was 111.7MB in the beginning and 109.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 553.17ms. Allocated memory is still 157.3MB. Free memory was 109.4MB in the beginning and 87.2MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 31447.26ms. Allocated memory was 157.3MB in the beginning and 13.3GB in the end (delta: 13.1GB). Free memory was 86.5MB in the beginning and 11.4GB in the end (delta: -11.3GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. * Witness Printer took 93.47ms. Allocated memory is still 13.3GB. Free memory was 11.3GB in the beginning and 11.3GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 788]: 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: 31.3s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 29.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1226 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1221 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2501 IncrementalHoareTripleChecker+Invalid, 2540 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 2 mSDtfsCounter, 2501 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 106 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=314occurred in iteration=10, InterpolantAutomatonStates: 88, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 316 NumberOfCodeBlocks, 316 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 303 ConstructedInterpolants, 0 QuantifiedInterpolants, 1089 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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 18:02:50,734 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