./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dddbff1-7a7d-4725-ae10-03e74b99369a/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dddbff1-7a7d-4725-ae10-03e74b99369a/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dddbff1-7a7d-4725-ae10-03e74b99369a/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dddbff1-7a7d-4725-ae10-03e74b99369a/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dddbff1-7a7d-4725-ae10-03e74b99369a/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dddbff1-7a7d-4725-ae10-03e74b99369a/bin/uautomizer-verify-qhAvR1uOyd --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 2f12d466eb2f537fd698a609dad75de92993414755aa8aadb35a91de87d65611 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:14:02,007 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:14:02,086 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dddbff1-7a7d-4725-ae10-03e74b99369a/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-13 13:14:02,096 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:14:02,099 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:14:02,131 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:14:02,132 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:14:02,132 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:14:02,132 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:14:02,132 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:14:02,133 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:14:02,133 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:14:02,133 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:14:02,133 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:14:02,133 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:14:02,134 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:14:02,134 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:14:02,134 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:14:02,134 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:14:02,134 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:14:02,134 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 13:14:02,135 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 13:14:02,135 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 13:14:02,135 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:14:02,135 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 13:14:02,135 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:14:02,135 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:14:02,136 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:14:02,136 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:14:02,136 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:14:02,136 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:14:02,136 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:14:02,136 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:14:02,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:14:02,137 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:14:02,137 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:14:02,137 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:14:02,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:14:02,137 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:14:02,138 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:14:02,138 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:14:02,138 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:14:02,138 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dddbff1-7a7d-4725-ae10-03e74b99369a/bin/uautomizer-verify-qhAvR1uOyd 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 -> 2f12d466eb2f537fd698a609dad75de92993414755aa8aadb35a91de87d65611 [2024-11-13 13:14:02,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:14:02,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:14:02,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:14:02,490 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:14:02,490 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:14:02,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dddbff1-7a7d-4725-ae10-03e74b99369a/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i Unable to find full path for "g++" [2024-11-13 13:14:04,340 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:14:04,749 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:14:04,752 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dddbff1-7a7d-4725-ae10-03e74b99369a/sv-benchmarks/c/goblint-regression/13-privatized_01-priv_nr_true.i [2024-11-13 13:14:04,774 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dddbff1-7a7d-4725-ae10-03e74b99369a/bin/uautomizer-verify-qhAvR1uOyd/data/dd05d731a/6a89b24e4ee841669c7ac6c5ba47466e/FLAG1cc9f8197 [2024-11-13 13:14:04,798 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dddbff1-7a7d-4725-ae10-03e74b99369a/bin/uautomizer-verify-qhAvR1uOyd/data/dd05d731a/6a89b24e4ee841669c7ac6c5ba47466e [2024-11-13 13:14:04,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:14:04,803 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:14:04,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:14:04,808 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:14:04,813 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:14:04,815 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:14:04" (1/1) ... [2024-11-13 13:14:04,819 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6efb330f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:04, skipping insertion in model container [2024-11-13 13:14:04,819 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:14:04" (1/1) ... [2024-11-13 13:14:04,871 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:14:05,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:14:05,323 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:14:05,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:14:05,396 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:14:05,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:05 WrapperNode [2024-11-13 13:14:05,397 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:14:05,397 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:14:05,398 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:14:05,398 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:14:05,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:05" (1/1) ... [2024-11-13 13:14:05,412 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:05" (1/1) ... [2024-11-13 13:14:05,442 INFO L138 Inliner]: procedures = 165, calls = 25, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 144 [2024-11-13 13:14:05,442 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:14:05,443 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:14:05,445 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:14:05,445 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:14:05,451 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:05" (1/1) ... [2024-11-13 13:14:05,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:05" (1/1) ... [2024-11-13 13:14:05,455 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:05" (1/1) ... [2024-11-13 13:14:05,468 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-11-13 13:14:05,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:05" (1/1) ... [2024-11-13 13:14:05,468 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:05" (1/1) ... [2024-11-13 13:14:05,476 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:05" (1/1) ... [2024-11-13 13:14:05,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:05" (1/1) ... [2024-11-13 13:14:05,480 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:05" (1/1) ... [2024-11-13 13:14:05,481 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:05" (1/1) ... [2024-11-13 13:14:05,483 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:14:05,484 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:14:05,484 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:14:05,484 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:14:05,485 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:05" (1/1) ... [2024-11-13 13:14:05,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:14:05,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dddbff1-7a7d-4725-ae10-03e74b99369a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:14:05,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dddbff1-7a7d-4725-ae10-03e74b99369a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:14:05,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dddbff1-7a7d-4725-ae10-03e74b99369a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:14:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 13:14:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:14:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-13 13:14:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-13 13:14:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-13 13:14:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-13 13:14:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:14:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 13:14:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 13:14:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:14:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:14:05,555 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 13:14:05,701 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:14:05,702 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:14:05,939 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 13:14:05,939 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:14:06,406 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:14:06,406 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 13:14:06,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:14:06 BoogieIcfgContainer [2024-11-13 13:14:06,407 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:14:06,410 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:14:06,411 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:14:06,416 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:14:06,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:14:04" (1/3) ... [2024-11-13 13:14:06,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5b8fb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:14:06, skipping insertion in model container [2024-11-13 13:14:06,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:05" (2/3) ... [2024-11-13 13:14:06,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5b8fb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:14:06, skipping insertion in model container [2024-11-13 13:14:06,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:14:06" (3/3) ... [2024-11-13 13:14:06,420 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_01-priv_nr_true.i [2024-11-13 13:14:06,442 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:14:06,443 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_01-priv_nr_true.i that has 2 procedures, 42 locations, 1 initial locations, 0 loop locations, and 5 error locations. [2024-11-13 13:14:06,445 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 13:14:06,505 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-13 13:14:06,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 45 places, 49 transitions, 105 flow [2024-11-13 13:14:06,607 INFO L124 PetriNetUnfolderBase]: 8/48 cut-off events. [2024-11-13 13:14:06,611 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 13:14:06,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 48 events. 8/48 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 87 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 34. Up to 2 conditions per place. [2024-11-13 13:14:06,620 INFO L82 GeneralOperation]: Start removeDead. Operand has 45 places, 49 transitions, 105 flow [2024-11-13 13:14:06,624 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 43 places, 47 transitions, 100 flow [2024-11-13 13:14:06,639 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:14:06,659 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;@7e0f6bf5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:14:06,660 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-13 13:14:06,671 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:14:06,673 INFO L124 PetriNetUnfolderBase]: 2/9 cut-off events. [2024-11-13 13:14:06,673 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:14:06,673 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:14:06,674 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-13 13:14:06,674 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-13 13:14:06,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:06,679 INFO L85 PathProgramCache]: Analyzing trace with hash 12973277, now seen corresponding path program 1 times [2024-11-13 13:14:06,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:06,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152222873] [2024-11-13 13:14:06,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:06,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:07,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:14:07,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:07,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152222873] [2024-11-13 13:14:07,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152222873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:07,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:07,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:14:07,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495493285] [2024-11-13 13:14:07,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:07,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:14:07,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:07,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:14:07,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:14:07,242 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 49 [2024-11-13 13:14:07,245 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 47 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2024-11-13 13:14:07,245 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:14:07,246 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 49 [2024-11-13 13:14:07,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:14:07,454 INFO L124 PetriNetUnfolderBase]: 63/197 cut-off events. [2024-11-13 13:14:07,454 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 13:14:07,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 350 conditions, 197 events. 63/197 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 885 event pairs, 54 based on Foata normal form. 50/235 useless extension candidates. Maximal degree in co-relation 332. Up to 127 conditions per place. [2024-11-13 13:14:07,458 INFO L140 encePairwiseOnDemand]: 38/49 looper letters, 26 selfloop transitions, 4 changer transitions 0/41 dead transitions. [2024-11-13 13:14:07,458 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 41 transitions, 148 flow [2024-11-13 13:14:07,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:14:07,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:14:07,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 83 transitions. [2024-11-13 13:14:07,475 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.564625850340136 [2024-11-13 13:14:07,478 INFO L175 Difference]: Start difference. First operand has 43 places, 47 transitions, 100 flow. Second operand 3 states and 83 transitions. [2024-11-13 13:14:07,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 41 transitions, 148 flow [2024-11-13 13:14:07,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 41 transitions, 144 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:14:07,491 INFO L231 Difference]: Finished difference. Result has 36 places, 32 transitions, 74 flow [2024-11-13 13:14:07,494 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=74, PETRI_PLACES=36, PETRI_TRANSITIONS=32} [2024-11-13 13:14:07,500 INFO L277 CegarLoopForPetriNet]: 43 programPoint places, -7 predicate places. [2024-11-13 13:14:07,501 INFO L471 AbstractCegarLoop]: Abstraction has has 36 places, 32 transitions, 74 flow [2024-11-13 13:14:07,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2024-11-13 13:14:07,502 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:14:07,503 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:07,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:14:07,503 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-13 13:14:07,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:07,505 INFO L85 PathProgramCache]: Analyzing trace with hash 976266166, now seen corresponding path program 1 times [2024-11-13 13:14:07,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:07,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204766442] [2024-11-13 13:14:07,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:07,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:07,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:14:07,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:07,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204766442] [2024-11-13 13:14:07,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204766442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:07,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:07,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:14:07,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072014933] [2024-11-13 13:14:07,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:07,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:14:07,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:07,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:14:07,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:14:07,826 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 49 [2024-11-13 13:14:07,826 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 32 transitions, 74 flow. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2024-11-13 13:14:07,826 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:14:07,826 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 49 [2024-11-13 13:14:07,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:14:08,003 INFO L124 PetriNetUnfolderBase]: 60/184 cut-off events. [2024-11-13 13:14:08,003 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-13 13:14:08,004 INFO L83 FinitePrefix]: Finished finitePrefix Result has 350 conditions, 184 events. 60/184 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 754 event pairs, 20 based on Foata normal form. 0/180 useless extension candidates. Maximal degree in co-relation 205. Up to 75 conditions per place. [2024-11-13 13:14:08,005 INFO L140 encePairwiseOnDemand]: 41/49 looper letters, 31 selfloop transitions, 7 changer transitions 0/47 dead transitions. [2024-11-13 13:14:08,005 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 47 transitions, 182 flow [2024-11-13 13:14:08,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:14:08,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 13:14:08,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 111 transitions. [2024-11-13 13:14:08,012 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4530612244897959 [2024-11-13 13:14:08,012 INFO L175 Difference]: Start difference. First operand has 36 places, 32 transitions, 74 flow. Second operand 5 states and 111 transitions. [2024-11-13 13:14:08,013 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 47 transitions, 182 flow [2024-11-13 13:14:08,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 47 transitions, 172 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:14:08,016 INFO L231 Difference]: Finished difference. Result has 39 places, 34 transitions, 112 flow [2024-11-13 13:14:08,017 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=112, PETRI_PLACES=39, PETRI_TRANSITIONS=34} [2024-11-13 13:14:08,017 INFO L277 CegarLoopForPetriNet]: 43 programPoint places, -4 predicate places. [2024-11-13 13:14:08,017 INFO L471 AbstractCegarLoop]: Abstraction has has 39 places, 34 transitions, 112 flow [2024-11-13 13:14:08,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2024-11-13 13:14:08,018 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:14:08,018 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:08,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:14:08,018 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-13 13:14:08,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:08,018 INFO L85 PathProgramCache]: Analyzing trace with hash 682600134, now seen corresponding path program 1 times [2024-11-13 13:14:08,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:08,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009434579] [2024-11-13 13:14:08,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:08,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:08,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:14:08,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:08,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009434579] [2024-11-13 13:14:08,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009434579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:08,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:08,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:14:08,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504583428] [2024-11-13 13:14:08,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:08,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:14:08,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:08,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:14:08,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:14:08,316 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 49 [2024-11-13 13:14:08,317 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 34 transitions, 112 flow. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2024-11-13 13:14:08,317 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:14:08,317 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 49 [2024-11-13 13:14:08,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:14:08,492 INFO L124 PetriNetUnfolderBase]: 54/159 cut-off events. [2024-11-13 13:14:08,492 INFO L125 PetriNetUnfolderBase]: For 75/75 co-relation queries the response was YES. [2024-11-13 13:14:08,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 371 conditions, 159 events. 54/159 cut-off events. For 75/75 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 590 event pairs, 21 based on Foata normal form. 0/155 useless extension candidates. Maximal degree in co-relation 125. Up to 74 conditions per place. [2024-11-13 13:14:08,494 INFO L140 encePairwiseOnDemand]: 42/49 looper letters, 30 selfloop transitions, 7 changer transitions 0/47 dead transitions. [2024-11-13 13:14:08,494 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 47 transitions, 224 flow [2024-11-13 13:14:08,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:14:08,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 13:14:08,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 107 transitions. [2024-11-13 13:14:08,496 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.43673469387755104 [2024-11-13 13:14:08,496 INFO L175 Difference]: Start difference. First operand has 39 places, 34 transitions, 112 flow. Second operand 5 states and 107 transitions. [2024-11-13 13:14:08,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 47 transitions, 224 flow [2024-11-13 13:14:08,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 47 transitions, 219 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:14:08,499 INFO L231 Difference]: Finished difference. Result has 44 places, 35 transitions, 136 flow [2024-11-13 13:14:08,499 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=136, PETRI_PLACES=44, PETRI_TRANSITIONS=35} [2024-11-13 13:14:08,500 INFO L277 CegarLoopForPetriNet]: 43 programPoint places, 1 predicate places. [2024-11-13 13:14:08,500 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 35 transitions, 136 flow [2024-11-13 13:14:08,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2024-11-13 13:14:08,500 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:14:08,501 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:08,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:14:08,501 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-13 13:14:08,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:08,502 INFO L85 PathProgramCache]: Analyzing trace with hash 380988505, now seen corresponding path program 1 times [2024-11-13 13:14:08,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:08,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831914961] [2024-11-13 13:14:08,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:08,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:08,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:08,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:14:08,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:08,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831914961] [2024-11-13 13:14:08,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831914961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:08,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:08,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:14:08,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502299482] [2024-11-13 13:14:08,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:08,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:14:08,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:08,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:14:08,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:14:08,665 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 49 [2024-11-13 13:14:08,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 35 transitions, 136 flow. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:14:08,665 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:14:08,665 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 49 [2024-11-13 13:14:08,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:14:08,753 INFO L124 PetriNetUnfolderBase]: 17/81 cut-off events. [2024-11-13 13:14:08,753 INFO L125 PetriNetUnfolderBase]: For 47/47 co-relation queries the response was YES. [2024-11-13 13:14:08,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 81 events. 17/81 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 202 event pairs, 5 based on Foata normal form. 7/88 useless extension candidates. Maximal degree in co-relation 97. Up to 38 conditions per place. [2024-11-13 13:14:08,754 INFO L140 encePairwiseOnDemand]: 45/49 looper letters, 20 selfloop transitions, 4 changer transitions 0/37 dead transitions. [2024-11-13 13:14:08,754 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 37 transitions, 182 flow [2024-11-13 13:14:08,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:14:08,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:14:08,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 71 transitions. [2024-11-13 13:14:08,755 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.48299319727891155 [2024-11-13 13:14:08,756 INFO L175 Difference]: Start difference. First operand has 44 places, 35 transitions, 136 flow. Second operand 3 states and 71 transitions. [2024-11-13 13:14:08,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 37 transitions, 182 flow [2024-11-13 13:14:08,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 37 transitions, 170 flow, removed 2 selfloop flow, removed 3 redundant places. [2024-11-13 13:14:08,758 INFO L231 Difference]: Finished difference. Result has 43 places, 34 transitions, 124 flow [2024-11-13 13:14:08,758 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=124, PETRI_PLACES=43, PETRI_TRANSITIONS=34} [2024-11-13 13:14:08,759 INFO L277 CegarLoopForPetriNet]: 43 programPoint places, 0 predicate places. [2024-11-13 13:14:08,759 INFO L471 AbstractCegarLoop]: Abstraction has has 43 places, 34 transitions, 124 flow [2024-11-13 13:14:08,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:14:08,760 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:14:08,760 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:08,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:14:08,760 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-13 13:14:08,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:08,760 INFO L85 PathProgramCache]: Analyzing trace with hash 2086585560, now seen corresponding path program 1 times [2024-11-13 13:14:08,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:08,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550772127] [2024-11-13 13:14:08,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:08,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:08,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:14:08,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:08,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550772127] [2024-11-13 13:14:08,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550772127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:08,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:08,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:14:08,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816135448] [2024-11-13 13:14:08,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:08,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:14:08,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:08,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:14:08,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:14:08,982 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 49 [2024-11-13 13:14:08,983 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 34 transitions, 124 flow. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 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) [2024-11-13 13:14:08,984 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:14:08,984 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 49 [2024-11-13 13:14:08,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:14:09,124 INFO L124 PetriNetUnfolderBase]: 19/79 cut-off events. [2024-11-13 13:14:09,124 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-13 13:14:09,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 208 conditions, 79 events. 19/79 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 167 event pairs, 9 based on Foata normal form. 1/80 useless extension candidates. Maximal degree in co-relation 108. Up to 28 conditions per place. [2024-11-13 13:14:09,126 INFO L140 encePairwiseOnDemand]: 42/49 looper letters, 22 selfloop transitions, 8 changer transitions 0/38 dead transitions. [2024-11-13 13:14:09,126 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 38 transitions, 197 flow [2024-11-13 13:14:09,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:14:09,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:14:09,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 112 transitions. [2024-11-13 13:14:09,128 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.38095238095238093 [2024-11-13 13:14:09,128 INFO L175 Difference]: Start difference. First operand has 43 places, 34 transitions, 124 flow. Second operand 6 states and 112 transitions. [2024-11-13 13:14:09,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 38 transitions, 197 flow [2024-11-13 13:14:09,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 38 transitions, 191 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:14:09,131 INFO L231 Difference]: Finished difference. Result has 45 places, 32 transitions, 137 flow [2024-11-13 13:14:09,131 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=137, PETRI_PLACES=45, PETRI_TRANSITIONS=32} [2024-11-13 13:14:09,132 INFO L277 CegarLoopForPetriNet]: 43 programPoint places, 2 predicate places. [2024-11-13 13:14:09,132 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 32 transitions, 137 flow [2024-11-13 13:14:09,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 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) [2024-11-13 13:14:09,132 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:14:09,132 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:09,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 13:14:09,133 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-13 13:14:09,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:09,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1142116788, now seen corresponding path program 1 times [2024-11-13 13:14:09,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:09,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103611787] [2024-11-13 13:14:09,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:09,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:09,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:09,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:14:09,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:09,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103611787] [2024-11-13 13:14:09,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103611787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:09,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:09,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:14:09,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041859523] [2024-11-13 13:14:09,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:09,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:14:09,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:09,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:14:09,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:14:09,401 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 49 [2024-11-13 13:14:09,402 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 32 transitions, 137 flow. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 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) [2024-11-13 13:14:09,402 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:14:09,402 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 49 [2024-11-13 13:14:09,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:14:09,576 INFO L124 PetriNetUnfolderBase]: 17/78 cut-off events. [2024-11-13 13:14:09,576 INFO L125 PetriNetUnfolderBase]: For 74/74 co-relation queries the response was YES. [2024-11-13 13:14:09,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 216 conditions, 78 events. 17/78 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 147 event pairs, 4 based on Foata normal form. 2/80 useless extension candidates. Maximal degree in co-relation 110. Up to 15 conditions per place. [2024-11-13 13:14:09,577 INFO L140 encePairwiseOnDemand]: 41/49 looper letters, 27 selfloop transitions, 9 changer transitions 0/42 dead transitions. [2024-11-13 13:14:09,578 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 42 transitions, 236 flow [2024-11-13 13:14:09,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:14:09,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-13 13:14:09,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 149 transitions. [2024-11-13 13:14:09,580 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.38010204081632654 [2024-11-13 13:14:09,580 INFO L175 Difference]: Start difference. First operand has 45 places, 32 transitions, 137 flow. Second operand 8 states and 149 transitions. [2024-11-13 13:14:09,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 42 transitions, 236 flow [2024-11-13 13:14:09,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 42 transitions, 216 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 13:14:09,583 INFO L231 Difference]: Finished difference. Result has 45 places, 30 transitions, 138 flow [2024-11-13 13:14:09,583 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=138, PETRI_PLACES=45, PETRI_TRANSITIONS=30} [2024-11-13 13:14:09,584 INFO L277 CegarLoopForPetriNet]: 43 programPoint places, 2 predicate places. [2024-11-13 13:14:09,585 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 30 transitions, 138 flow [2024-11-13 13:14:09,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 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) [2024-11-13 13:14:09,585 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:14:09,585 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] [2024-11-13 13:14:09,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 13:14:09,586 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-13 13:14:09,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:09,586 INFO L85 PathProgramCache]: Analyzing trace with hash -622156511, now seen corresponding path program 1 times [2024-11-13 13:14:09,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:09,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130503799] [2024-11-13 13:14:09,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:09,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:09,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:14:09,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:09,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130503799] [2024-11-13 13:14:09,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130503799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:09,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:09,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 13:14:09,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715204457] [2024-11-13 13:14:09,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:09,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:14:09,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:09,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:14:09,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:14:09,695 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 49 [2024-11-13 13:14:09,695 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 30 transitions, 138 flow. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2024-11-13 13:14:09,696 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:14:09,696 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 49 [2024-11-13 13:14:09,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:14:09,750 INFO L124 PetriNetUnfolderBase]: 15/74 cut-off events. [2024-11-13 13:14:09,750 INFO L125 PetriNetUnfolderBase]: For 92/92 co-relation queries the response was YES. [2024-11-13 13:14:09,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 208 conditions, 74 events. 15/74 cut-off events. For 92/92 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 149 event pairs, 15 based on Foata normal form. 2/76 useless extension candidates. Maximal degree in co-relation 110. Up to 57 conditions per place. [2024-11-13 13:14:09,752 INFO L140 encePairwiseOnDemand]: 47/49 looper letters, 0 selfloop transitions, 0 changer transitions 29/29 dead transitions. [2024-11-13 13:14:09,752 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 29 transitions, 178 flow [2024-11-13 13:14:09,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:14:09,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:14:09,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 62 transitions. [2024-11-13 13:14:09,753 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4217687074829932 [2024-11-13 13:14:09,753 INFO L175 Difference]: Start difference. First operand has 45 places, 30 transitions, 138 flow. Second operand 3 states and 62 transitions. [2024-11-13 13:14:09,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 29 transitions, 178 flow [2024-11-13 13:14:09,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 29 transitions, 160 flow, removed 2 selfloop flow, removed 6 redundant places. [2024-11-13 13:14:09,756 INFO L231 Difference]: Finished difference. Result has 40 places, 0 transitions, 0 flow [2024-11-13 13:14:09,758 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=40, PETRI_TRANSITIONS=0} [2024-11-13 13:14:09,759 INFO L277 CegarLoopForPetriNet]: 43 programPoint places, -3 predicate places. [2024-11-13 13:14:09,760 INFO L471 AbstractCegarLoop]: Abstraction has has 40 places, 0 transitions, 0 flow [2024-11-13 13:14:09,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2024-11-13 13:14:09,765 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (7 of 8 remaining) [2024-11-13 13:14:09,766 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (6 of 8 remaining) [2024-11-13 13:14:09,766 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (5 of 8 remaining) [2024-11-13 13:14:09,766 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2024-11-13 13:14:09,766 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 8 remaining) [2024-11-13 13:14:09,766 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONMEMORY_LEAK (2 of 8 remaining) [2024-11-13 13:14:09,766 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 8 remaining) [2024-11-13 13:14:09,767 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONMEMORY_LEAK (0 of 8 remaining) [2024-11-13 13:14:09,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 13:14:09,767 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:09,776 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 13:14:09,777 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:14:09,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:14:09 BasicIcfg [2024-11-13 13:14:09,787 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:14:09,788 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:14:09,788 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:14:09,788 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:14:09,790 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:14:06" (3/4) ... [2024-11-13 13:14:09,792 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 13:14:09,796 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-13 13:14:09,804 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 91 nodes and edges [2024-11-13 13:14:09,805 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-13 13:14:09,806 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 13:14:09,806 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 13:14:09,920 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dddbff1-7a7d-4725-ae10-03e74b99369a/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 13:14:09,920 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dddbff1-7a7d-4725-ae10-03e74b99369a/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 13:14:09,921 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:14:09,922 INFO L158 Benchmark]: Toolchain (without parser) took 5118.67ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 116.0MB in the beginning and 174.0MB in the end (delta: -58.0MB). Peak memory consumption was 102.9MB. Max. memory is 16.1GB. [2024-11-13 13:14:09,922 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 142.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:14:09,923 INFO L158 Benchmark]: CACSL2BoogieTranslator took 591.22ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 96.3MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:14:09,923 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.08ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 94.3MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:14:09,923 INFO L158 Benchmark]: Boogie Preprocessor took 40.46ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 92.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:14:09,924 INFO L158 Benchmark]: RCFGBuilder took 922.59ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 83.5MB in the end (delta: 8.8MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2024-11-13 13:14:09,924 INFO L158 Benchmark]: TraceAbstraction took 3377.80ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 82.7MB in the beginning and 178.6MB in the end (delta: -95.9MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2024-11-13 13:14:09,924 INFO L158 Benchmark]: Witness Printer took 132.64ms. Allocated memory is still 302.0MB. Free memory was 178.6MB in the beginning and 174.0MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:14:09,928 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 142.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 591.22ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 96.3MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.08ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 94.3MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.46ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 92.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 922.59ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 83.5MB in the end (delta: 8.8MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. * TraceAbstraction took 3377.80ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 82.7MB in the beginning and 178.6MB in the end (delta: -95.9MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. * Witness Printer took 132.64ms. Allocated memory is still 302.0MB. Free memory was 178.6MB in the beginning and 174.0MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 695]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 18]: 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 3 procedures, 61 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.2s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 83 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 74 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 376 IncrementalHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 1 mSDtfsCounter, 376 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=6, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 13:14:09,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dddbff1-7a7d-4725-ae10-03e74b99369a/bin/uautomizer-verify-qhAvR1uOyd/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