./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC --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 596bf38d5c1bddbb7fa933c2910678824d7396d44da5246db401a53a5b4ba843 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:53:05,851 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:53:05,957 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-23 22:53:05,967 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:53:05,968 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:53:06,006 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:53:06,006 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:53:06,006 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:53:06,007 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:53:06,007 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:53:06,007 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:53:06,007 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:53:06,008 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:53:06,009 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:53:06,010 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:53:06,011 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:53:06,011 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 22:53:06,011 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:53:06,011 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 22:53:06,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:53:06,011 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-23 22:53:06,012 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-23 22:53:06,012 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-23 22:53:06,012 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:53:06,012 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 22:53:06,012 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 22:53:06,012 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 22:53:06,012 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:53:06,012 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:53:06,012 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:53:06,013 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:53:06,013 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:53:06,013 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:53:06,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:53:06,013 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:53:06,013 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:53:06,014 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:53:06,014 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:53:06,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:53:06,014 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:53:06,014 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:53:06,014 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:53:06,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:53:06,014 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:53:06,014 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:53:06,015 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:53:06,015 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:53:06,015 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_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC 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 -> 596bf38d5c1bddbb7fa933c2910678824d7396d44da5246db401a53a5b4ba843 [2024-11-23 22:53:06,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:53:06,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:53:06,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:53:06,356 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:53:06,356 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:53:06,358 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-23 22:53:09,349 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/data/faf454d90/d52c4c036d5644c2b4739be7480074fb/FLAG631f67986 [2024-11-23 22:53:09,779 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:53:09,781 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/sv-benchmarks/c/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-23 22:53:09,805 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/data/faf454d90/d52c4c036d5644c2b4739be7480074fb/FLAG631f67986 [2024-11-23 22:53:09,827 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/data/faf454d90/d52c4c036d5644c2b4739be7480074fb [2024-11-23 22:53:09,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:53:09,834 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:53:09,835 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:53:09,836 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:53:09,840 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:53:09,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:53:09" (1/1) ... [2024-11-23 22:53:09,843 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e3c620f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:09, skipping insertion in model container [2024-11-23 22:53:09,843 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:53:09" (1/1) ... [2024-11-23 22:53:09,894 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:53:10,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:53:10,333 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:53:10,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:53:10,469 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:53:10,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:10 WrapperNode [2024-11-23 22:53:10,469 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:53:10,470 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:53:10,470 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:53:10,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:53:10,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:10" (1/1) ... [2024-11-23 22:53:10,507 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:10" (1/1) ... [2024-11-23 22:53:10,549 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 160 [2024-11-23 22:53:10,550 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:53:10,550 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:53:10,550 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:53:10,550 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:53:10,564 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:10" (1/1) ... [2024-11-23 22:53:10,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:10" (1/1) ... [2024-11-23 22:53:10,567 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:10" (1/1) ... [2024-11-23 22:53:10,589 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]. [2024-11-23 22:53:10,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:10" (1/1) ... [2024-11-23 22:53:10,590 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:10" (1/1) ... [2024-11-23 22:53:10,598 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:10" (1/1) ... [2024-11-23 22:53:10,600 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:10" (1/1) ... [2024-11-23 22:53:10,602 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:10" (1/1) ... [2024-11-23 22:53:10,604 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:10" (1/1) ... [2024-11-23 22:53:10,605 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:10" (1/1) ... [2024-11-23 22:53:10,608 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:53:10,609 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:53:10,609 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:53:10,609 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:53:10,610 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:10" (1/1) ... [2024-11-23 22:53:10,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:53:10,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:53:10,654 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:53:10,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:53:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-23 22:53:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:53:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-23 22:53:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-23 22:53:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-23 22:53:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-23 22:53:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-23 22:53:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-23 22:53:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 22:53:10,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-23 22:53:10,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:53:10,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:53:10,689 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 22:53:10,829 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:53:10,831 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:53:11,253 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 22:53:11,253 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:53:11,532 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:53:11,532 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 22:53:11,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:53:11 BoogieIcfgContainer [2024-11-23 22:53:11,533 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:53:11,537 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:53:11,537 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:53:11,542 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:53:11,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:53:09" (1/3) ... [2024-11-23 22:53:11,544 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5859e185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:53:11, skipping insertion in model container [2024-11-23 22:53:11,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:10" (2/3) ... [2024-11-23 22:53:11,546 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5859e185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:53:11, skipping insertion in model container [2024-11-23 22:53:11,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:53:11" (3/3) ... [2024-11-23 22:53:11,548 INFO L128 eAbstractionObserver]: Analyzing ICFG rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-23 22:53:11,565 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:53:11,569 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i that has 4 procedures, 43 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-11-23 22:53:11,570 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 22:53:11,652 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-23 22:53:11,699 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 44 transitions, 100 flow [2024-11-23 22:53:11,761 INFO L124 PetriNetUnfolderBase]: 2/41 cut-off events. [2024-11-23 22:53:11,766 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 22:53:11,770 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 41 events. 2/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 43. Up to 2 conditions per place. [2024-11-23 22:53:11,771 INFO L82 GeneralOperation]: Start removeDead. Operand has 52 places, 44 transitions, 100 flow [2024-11-23 22:53:11,775 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 49 places, 41 transitions, 91 flow [2024-11-23 22:53:11,785 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:53:11,806 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;@12eea247, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:53:11,806 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 22:53:11,815 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 22:53:11,815 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2024-11-23 22:53:11,816 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 22:53:11,816 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:53:11,816 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-23 22:53:11,817 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-23 22:53:11,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:11,823 INFO L85 PathProgramCache]: Analyzing trace with hash -229865288, now seen corresponding path program 1 times [2024-11-23 22:53:11,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:53:11,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462518809] [2024-11-23 22:53:11,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:11,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:53:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:12,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:53:12,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:53:12,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462518809] [2024-11-23 22:53:12,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462518809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:12,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:12,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-23 22:53:12,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444625079] [2024-11-23 22:53:12,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:12,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:53:12,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:53:12,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:53:12,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:53:12,512 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 44 [2024-11-23 22:53:12,515 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 41 transitions, 91 flow. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) [2024-11-23 22:53:12,516 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:53:12,516 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 44 [2024-11-23 22:53:12,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:53:13,290 INFO L124 PetriNetUnfolderBase]: 868/1545 cut-off events. [2024-11-23 22:53:13,290 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-23 22:53:13,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2898 conditions, 1545 events. 868/1545 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 9938 event pairs, 108 based on Foata normal form. 90/1626 useless extension candidates. Maximal degree in co-relation 2887. Up to 1109 conditions per place. [2024-11-23 22:53:13,317 INFO L140 encePairwiseOnDemand]: 39/44 looper letters, 32 selfloop transitions, 2 changer transitions 2/51 dead transitions. [2024-11-23 22:53:13,317 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 51 transitions, 186 flow [2024-11-23 22:53:13,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:53:13,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:53:13,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 95 transitions. [2024-11-23 22:53:13,334 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7196969696969697 [2024-11-23 22:53:13,337 INFO L175 Difference]: Start difference. First operand has 49 places, 41 transitions, 91 flow. Second operand 3 states and 95 transitions. [2024-11-23 22:53:13,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 51 transitions, 186 flow [2024-11-23 22:53:13,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 51 transitions, 182 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-23 22:53:13,347 INFO L231 Difference]: Finished difference. Result has 46 places, 36 transitions, 82 flow [2024-11-23 22:53:13,351 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=46, PETRI_TRANSITIONS=36} [2024-11-23 22:53:13,356 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, -3 predicate places. [2024-11-23 22:53:13,357 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 36 transitions, 82 flow [2024-11-23 22:53:13,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) [2024-11-23 22:53:13,358 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:53:13,358 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:13,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 22:53:13,359 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-23 22:53:13,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:13,360 INFO L85 PathProgramCache]: Analyzing trace with hash -60530814, now seen corresponding path program 1 times [2024-11-23 22:53:13,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:53:13,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411542611] [2024-11-23 22:53:13,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:13,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:53:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:13,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:53:13,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:53:13,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411542611] [2024-11-23 22:53:13,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411542611] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:13,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:13,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-23 22:53:13,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552030538] [2024-11-23 22:53:13,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:13,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:53:13,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:53:13,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:53:13,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:53:13,562 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 44 [2024-11-23 22:53:13,563 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 36 transitions, 82 flow. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 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) [2024-11-23 22:53:13,563 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:53:13,563 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 44 [2024-11-23 22:53:13,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:53:14,012 INFO L124 PetriNetUnfolderBase]: 772/1404 cut-off events. [2024-11-23 22:53:14,013 INFO L125 PetriNetUnfolderBase]: For 78/78 co-relation queries the response was YES. [2024-11-23 22:53:14,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2693 conditions, 1404 events. 772/1404 cut-off events. For 78/78 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 9069 event pairs, 772 based on Foata normal form. 45/1407 useless extension candidates. Maximal degree in co-relation 2683. Up to 1169 conditions per place. [2024-11-23 22:53:14,023 INFO L140 encePairwiseOnDemand]: 42/44 looper letters, 19 selfloop transitions, 1 changer transitions 1/35 dead transitions. [2024-11-23 22:53:14,023 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 35 transitions, 122 flow [2024-11-23 22:53:14,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:53:14,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:53:14,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 73 transitions. [2024-11-23 22:53:14,026 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.553030303030303 [2024-11-23 22:53:14,026 INFO L175 Difference]: Start difference. First operand has 46 places, 36 transitions, 82 flow. Second operand 3 states and 73 transitions. [2024-11-23 22:53:14,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 35 transitions, 122 flow [2024-11-23 22:53:14,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 35 transitions, 118 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 22:53:14,028 INFO L231 Difference]: Finished difference. Result has 44 places, 34 transitions, 76 flow [2024-11-23 22:53:14,030 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=44, PETRI_TRANSITIONS=34} [2024-11-23 22:53:14,031 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, -5 predicate places. [2024-11-23 22:53:14,031 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 34 transitions, 76 flow [2024-11-23 22:53:14,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 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) [2024-11-23 22:53:14,032 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:53:14,032 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:14,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 22:53:14,032 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-23 22:53:14,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:14,033 INFO L85 PathProgramCache]: Analyzing trace with hash -60529228, now seen corresponding path program 1 times [2024-11-23 22:53:14,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:53:14,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700133538] [2024-11-23 22:53:14,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:14,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:53:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:14,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:53:14,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:53:14,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700133538] [2024-11-23 22:53:14,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700133538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:14,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:14,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:53:14,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217957632] [2024-11-23 22:53:14,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:14,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:53:14,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:53:14,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:53:14,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:53:14,434 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 44 [2024-11-23 22:53:14,435 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 34 transitions, 76 flow. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:53:14,436 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:53:14,436 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 44 [2024-11-23 22:53:14,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:53:15,000 INFO L124 PetriNetUnfolderBase]: 1635/2721 cut-off events. [2024-11-23 22:53:15,000 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 22:53:15,006 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5243 conditions, 2721 events. 1635/2721 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 16631 event pairs, 179 based on Foata normal form. 96/2794 useless extension candidates. Maximal degree in co-relation 5237. Up to 1537 conditions per place. [2024-11-23 22:53:15,017 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 43 selfloop transitions, 5 changer transitions 1/59 dead transitions. [2024-11-23 22:53:15,017 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 59 transitions, 228 flow [2024-11-23 22:53:15,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:53:15,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-23 22:53:15,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 107 transitions. [2024-11-23 22:53:15,020 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6079545454545454 [2024-11-23 22:53:15,021 INFO L175 Difference]: Start difference. First operand has 44 places, 34 transitions, 76 flow. Second operand 4 states and 107 transitions. [2024-11-23 22:53:15,021 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 59 transitions, 228 flow [2024-11-23 22:53:15,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 59 transitions, 227 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 22:53:15,025 INFO L231 Difference]: Finished difference. Result has 47 places, 37 transitions, 109 flow [2024-11-23 22:53:15,025 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=109, PETRI_PLACES=47, PETRI_TRANSITIONS=37} [2024-11-23 22:53:15,026 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, -2 predicate places. [2024-11-23 22:53:15,026 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 37 transitions, 109 flow [2024-11-23 22:53:15,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:53:15,026 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:53:15,027 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:15,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 22:53:15,027 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-23 22:53:15,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:15,027 INFO L85 PathProgramCache]: Analyzing trace with hash 197833068, now seen corresponding path program 1 times [2024-11-23 22:53:15,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:53:15,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095956900] [2024-11-23 22:53:15,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:15,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:53:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:15,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:53:15,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:53:15,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095956900] [2024-11-23 22:53:15,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095956900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:15,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:15,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 22:53:15,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868821699] [2024-11-23 22:53:15,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:15,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:53:15,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:53:15,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:53:15,478 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:53:15,492 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 44 [2024-11-23 22:53:15,492 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 109 flow. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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) [2024-11-23 22:53:15,492 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:53:15,492 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 44 [2024-11-23 22:53:15,492 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:53:15,970 INFO L124 PetriNetUnfolderBase]: 1027/1737 cut-off events. [2024-11-23 22:53:15,971 INFO L125 PetriNetUnfolderBase]: For 422/422 co-relation queries the response was YES. [2024-11-23 22:53:15,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3958 conditions, 1737 events. 1027/1737 cut-off events. For 422/422 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 9333 event pairs, 95 based on Foata normal form. 80/1798 useless extension candidates. Maximal degree in co-relation 3949. Up to 697 conditions per place. [2024-11-23 22:53:15,983 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 54 selfloop transitions, 8 changer transitions 1/73 dead transitions. [2024-11-23 22:53:15,983 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 73 transitions, 328 flow [2024-11-23 22:53:15,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:53:15,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-23 22:53:15,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 135 transitions. [2024-11-23 22:53:15,985 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6136363636363636 [2024-11-23 22:53:15,985 INFO L175 Difference]: Start difference. First operand has 47 places, 37 transitions, 109 flow. Second operand 5 states and 135 transitions. [2024-11-23 22:53:15,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 73 transitions, 328 flow [2024-11-23 22:53:15,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 73 transitions, 318 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-23 22:53:15,991 INFO L231 Difference]: Finished difference. Result has 51 places, 40 transitions, 149 flow [2024-11-23 22:53:15,991 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=149, PETRI_PLACES=51, PETRI_TRANSITIONS=40} [2024-11-23 22:53:15,991 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 2 predicate places. [2024-11-23 22:53:15,991 INFO L471 AbstractCegarLoop]: Abstraction has has 51 places, 40 transitions, 149 flow [2024-11-23 22:53:15,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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) [2024-11-23 22:53:15,992 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:53:15,992 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:15,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 22:53:15,992 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-23 22:53:15,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:15,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1498480171, now seen corresponding path program 1 times [2024-11-23 22:53:15,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:53:15,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975722904] [2024-11-23 22:53:15,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:15,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:53:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:16,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:53:16,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:53:16,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975722904] [2024-11-23 22:53:16,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975722904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:16,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:16,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:53:16,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529007986] [2024-11-23 22:53:16,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:16,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 22:53:16,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:53:16,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 22:53:16,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:53:16,392 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 44 [2024-11-23 22:53:16,392 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 40 transitions, 149 flow. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 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) [2024-11-23 22:53:16,392 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:53:16,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 44 [2024-11-23 22:53:16,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:53:16,780 INFO L124 PetriNetUnfolderBase]: 575/957 cut-off events. [2024-11-23 22:53:16,781 INFO L125 PetriNetUnfolderBase]: For 765/765 co-relation queries the response was YES. [2024-11-23 22:53:16,783 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2490 conditions, 957 events. 575/957 cut-off events. For 765/765 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 4329 event pairs, 79 based on Foata normal form. 40/978 useless extension candidates. Maximal degree in co-relation 2479. Up to 308 conditions per place. [2024-11-23 22:53:16,787 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 47 selfloop transitions, 11 changer transitions 1/69 dead transitions. [2024-11-23 22:53:16,787 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 69 transitions, 335 flow [2024-11-23 22:53:16,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 22:53:16,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-23 22:53:16,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 145 transitions. [2024-11-23 22:53:16,789 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5492424242424242 [2024-11-23 22:53:16,789 INFO L175 Difference]: Start difference. First operand has 51 places, 40 transitions, 149 flow. Second operand 6 states and 145 transitions. [2024-11-23 22:53:16,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 69 transitions, 335 flow [2024-11-23 22:53:16,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 69 transitions, 310 flow, removed 4 selfloop flow, removed 4 redundant places. [2024-11-23 22:53:16,795 INFO L231 Difference]: Finished difference. Result has 54 places, 40 transitions, 163 flow [2024-11-23 22:53:16,795 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=163, PETRI_PLACES=54, PETRI_TRANSITIONS=40} [2024-11-23 22:53:16,796 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 5 predicate places. [2024-11-23 22:53:16,796 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 40 transitions, 163 flow [2024-11-23 22:53:16,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 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) [2024-11-23 22:53:16,796 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:53:16,796 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:16,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 22:53:16,796 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-23 22:53:16,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:16,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1171332555, now seen corresponding path program 1 times [2024-11-23 22:53:16,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:53:16,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582230484] [2024-11-23 22:53:16,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:16,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:53:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:18,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:53:18,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:53:18,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582230484] [2024-11-23 22:53:18,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582230484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:18,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:18,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 22:53:18,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261914801] [2024-11-23 22:53:18,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:18,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 22:53:18,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:53:18,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 22:53:18,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:53:18,446 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 44 [2024-11-23 22:53:18,447 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 40 transitions, 163 flow. Second operand has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 7 states have internal predecessors, (125), 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) [2024-11-23 22:53:18,447 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:53:18,447 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 44 [2024-11-23 22:53:18,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:53:19,096 INFO L124 PetriNetUnfolderBase]: 765/1383 cut-off events. [2024-11-23 22:53:19,096 INFO L125 PetriNetUnfolderBase]: For 636/656 co-relation queries the response was YES. [2024-11-23 22:53:19,100 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3257 conditions, 1383 events. 765/1383 cut-off events. For 636/656 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 7196 event pairs, 74 based on Foata normal form. 8/1368 useless extension candidates. Maximal degree in co-relation 3245. Up to 574 conditions per place. [2024-11-23 22:53:19,103 INFO L140 encePairwiseOnDemand]: 35/44 looper letters, 32 selfloop transitions, 4 changer transitions 26/79 dead transitions. [2024-11-23 22:53:19,103 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 79 transitions, 377 flow [2024-11-23 22:53:19,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 22:53:19,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-23 22:53:19,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 183 transitions. [2024-11-23 22:53:19,105 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5198863636363636 [2024-11-23 22:53:19,105 INFO L175 Difference]: Start difference. First operand has 54 places, 40 transitions, 163 flow. Second operand 8 states and 183 transitions. [2024-11-23 22:53:19,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 79 transitions, 377 flow [2024-11-23 22:53:19,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 79 transitions, 313 flow, removed 14 selfloop flow, removed 8 redundant places. [2024-11-23 22:53:19,114 INFO L231 Difference]: Finished difference. Result has 59 places, 42 transitions, 141 flow [2024-11-23 22:53:19,114 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=141, PETRI_PLACES=59, PETRI_TRANSITIONS=42} [2024-11-23 22:53:19,115 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 10 predicate places. [2024-11-23 22:53:19,115 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 42 transitions, 141 flow [2024-11-23 22:53:19,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 7 states have internal predecessors, (125), 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) [2024-11-23 22:53:19,115 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:53:19,115 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:19,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 22:53:19,115 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-23 22:53:19,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:19,116 INFO L85 PathProgramCache]: Analyzing trace with hash 737496443, now seen corresponding path program 2 times [2024-11-23 22:53:19,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:53:19,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405081658] [2024-11-23 22:53:19,116 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 22:53:19,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:53:19,254 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 22:53:19,255 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 22:53:20,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:53:20,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:53:20,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405081658] [2024-11-23 22:53:20,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405081658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:20,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:20,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 22:53:20,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444479327] [2024-11-23 22:53:20,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:20,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 22:53:20,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:53:20,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 22:53:20,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-23 22:53:20,250 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 44 [2024-11-23 22:53:20,251 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 42 transitions, 141 flow. Second operand has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 7 states have internal predecessors, (125), 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) [2024-11-23 22:53:20,251 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:53:20,251 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 44 [2024-11-23 22:53:20,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:53:20,680 INFO L124 PetriNetUnfolderBase]: 755/1419 cut-off events. [2024-11-23 22:53:20,680 INFO L125 PetriNetUnfolderBase]: For 382/382 co-relation queries the response was YES. [2024-11-23 22:53:20,684 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3198 conditions, 1419 events. 755/1419 cut-off events. For 382/382 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 7781 event pairs, 206 based on Foata normal form. 8/1391 useless extension candidates. Maximal degree in co-relation 3184. Up to 464 conditions per place. [2024-11-23 22:53:20,687 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 28 selfloop transitions, 3 changer transitions 20/68 dead transitions. [2024-11-23 22:53:20,687 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 68 transitions, 309 flow [2024-11-23 22:53:20,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 22:53:20,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-23 22:53:20,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 140 transitions. [2024-11-23 22:53:20,688 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5303030303030303 [2024-11-23 22:53:20,688 INFO L175 Difference]: Start difference. First operand has 59 places, 42 transitions, 141 flow. Second operand 6 states and 140 transitions. [2024-11-23 22:53:20,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 68 transitions, 309 flow [2024-11-23 22:53:20,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 68 transitions, 299 flow, removed 5 selfloop flow, removed 3 redundant places. [2024-11-23 22:53:20,691 INFO L231 Difference]: Finished difference. Result has 60 places, 40 transitions, 138 flow [2024-11-23 22:53:20,691 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=135, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=138, PETRI_PLACES=60, PETRI_TRANSITIONS=40} [2024-11-23 22:53:20,694 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 11 predicate places. [2024-11-23 22:53:20,694 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 40 transitions, 138 flow [2024-11-23 22:53:20,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 7 states have internal predecessors, (125), 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) [2024-11-23 22:53:20,694 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:53:20,694 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:20,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 22:53:20,695 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-23 22:53:20,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:20,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1004381767, now seen corresponding path program 3 times [2024-11-23 22:53:20,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:53:20,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988002495] [2024-11-23 22:53:20,696 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 22:53:20,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:53:20,844 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-23 22:53:20,844 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 22:53:22,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:53:22,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:53:22,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988002495] [2024-11-23 22:53:22,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988002495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:22,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:22,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 22:53:22,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514562689] [2024-11-23 22:53:22,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:22,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 22:53:22,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:53:22,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 22:53:22,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:53:22,428 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 44 [2024-11-23 22:53:22,429 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 40 transitions, 138 flow. Second operand has 9 states, 9 states have (on average 19.0) internal successors, (171), 9 states have internal predecessors, (171), 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) [2024-11-23 22:53:22,429 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:53:22,429 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 44 [2024-11-23 22:53:22,429 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:53:22,951 INFO L124 PetriNetUnfolderBase]: 536/1031 cut-off events. [2024-11-23 22:53:22,951 INFO L125 PetriNetUnfolderBase]: For 130/130 co-relation queries the response was YES. [2024-11-23 22:53:22,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2202 conditions, 1031 events. 536/1031 cut-off events. For 130/130 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 5420 event pairs, 124 based on Foata normal form. 8/981 useless extension candidates. Maximal degree in co-relation 2186. Up to 489 conditions per place. [2024-11-23 22:53:22,957 INFO L140 encePairwiseOnDemand]: 35/44 looper letters, 27 selfloop transitions, 6 changer transitions 12/64 dead transitions. [2024-11-23 22:53:22,957 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 64 transitions, 286 flow [2024-11-23 22:53:22,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 22:53:22,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-23 22:53:22,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 165 transitions. [2024-11-23 22:53:22,959 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5357142857142857 [2024-11-23 22:53:22,959 INFO L175 Difference]: Start difference. First operand has 60 places, 40 transitions, 138 flow. Second operand 7 states and 165 transitions. [2024-11-23 22:53:22,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 64 transitions, 286 flow [2024-11-23 22:53:22,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 64 transitions, 264 flow, removed 6 selfloop flow, removed 7 redundant places. [2024-11-23 22:53:22,961 INFO L231 Difference]: Finished difference. Result has 60 places, 42 transitions, 153 flow [2024-11-23 22:53:22,962 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=153, PETRI_PLACES=60, PETRI_TRANSITIONS=42} [2024-11-23 22:53:22,962 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 11 predicate places. [2024-11-23 22:53:22,962 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 42 transitions, 153 flow [2024-11-23 22:53:22,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.0) internal successors, (171), 9 states have internal predecessors, (171), 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) [2024-11-23 22:53:22,963 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:53:22,963 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:22,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 22:53:22,963 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-23 22:53:22,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:22,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1658942745, now seen corresponding path program 4 times [2024-11-23 22:53:22,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:53:22,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194924493] [2024-11-23 22:53:22,964 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 22:53:22,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:53:23,112 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 22:53:23,112 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 22:53:23,113 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 22:53:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:53:23,247 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 22:53:23,247 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 22:53:23,248 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2024-11-23 22:53:23,250 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining) [2024-11-23 22:53:23,251 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining) [2024-11-23 22:53:23,251 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-11-23 22:53:23,251 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-11-23 22:53:23,251 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-11-23 22:53:23,251 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 22:53:23,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 22:53:23,252 INFO L422 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1] [2024-11-23 22:53:23,352 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 22:53:23,352 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 22:53:23,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:53:23 BasicIcfg [2024-11-23 22:53:23,362 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 22:53:23,362 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 22:53:23,363 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 22:53:23,363 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 22:53:23,364 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:53:11" (3/4) ... [2024-11-23 22:53:23,365 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 22:53:23,366 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 22:53:23,367 INFO L158 Benchmark]: Toolchain (without parser) took 13533.35ms. Allocated memory was 117.4MB in the beginning and 520.1MB in the end (delta: 402.7MB). Free memory was 92.3MB in the beginning and 240.1MB in the end (delta: -147.8MB). Peak memory consumption was 255.0MB. Max. memory is 16.1GB. [2024-11-23 22:53:23,367 INFO L158 Benchmark]: CDTParser took 1.56ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:53:23,367 INFO L158 Benchmark]: CACSL2BoogieTranslator took 634.30ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 67.7MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 22:53:23,367 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.51ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 64.6MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:53:23,368 INFO L158 Benchmark]: Boogie Preprocessor took 58.17ms. Allocated memory is still 117.4MB. Free memory was 64.6MB in the beginning and 61.1MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:53:23,368 INFO L158 Benchmark]: RCFGBuilder took 924.64ms. Allocated memory is still 117.4MB. Free memory was 61.1MB in the beginning and 54.8MB in the end (delta: 6.3MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2024-11-23 22:53:23,368 INFO L158 Benchmark]: TraceAbstraction took 11825.19ms. Allocated memory was 117.4MB in the beginning and 520.1MB in the end (delta: 402.7MB). Free memory was 54.2MB in the beginning and 240.2MB in the end (delta: -186.0MB). Peak memory consumption was 215.9MB. Max. memory is 16.1GB. [2024-11-23 22:53:23,368 INFO L158 Benchmark]: Witness Printer took 3.51ms. Allocated memory is still 520.1MB. Free memory was 240.2MB in the beginning and 240.1MB in the end (delta: 36.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:53:23,370 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.56ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 634.30ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 67.7MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.51ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 64.6MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 58.17ms. Allocated memory is still 117.4MB. Free memory was 64.6MB in the beginning and 61.1MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 924.64ms. Allocated memory is still 117.4MB. Free memory was 61.1MB in the beginning and 54.8MB in the end (delta: 6.3MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. * TraceAbstraction took 11825.19ms. Allocated memory was 117.4MB in the beginning and 520.1MB in the end (delta: 402.7MB). Free memory was 54.2MB in the beginning and 240.2MB in the end (delta: -186.0MB). Peak memory consumption was 215.9MB. Max. memory is 16.1GB. * Witness Printer took 3.51ms. Allocated memory is still 520.1MB. Free memory was 240.2MB in the beginning and 240.1MB in the end (delta: 36.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 17. Possible FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p1_EAX = 0; [L715] 0 int __unbuffered_p1_EBX = 0; [L716] 0 _Bool main$tmp_guard0; [L717] 0 _Bool main$tmp_guard1; [L719] 0 int x = 0; [L721] 0 int y = 0; [L722] 0 _Bool y$flush_delayed; [L723] 0 int y$mem_tmp; [L724] 0 _Bool y$r_buff0_thd0; [L725] 0 _Bool y$r_buff0_thd1; [L726] 0 _Bool y$r_buff0_thd2; [L727] 0 _Bool y$r_buff0_thd3; [L728] 0 _Bool y$r_buff1_thd0; [L729] 0 _Bool y$r_buff1_thd1; [L730] 0 _Bool y$r_buff1_thd2; [L731] 0 _Bool y$r_buff1_thd3; [L732] 0 _Bool y$read_delayed; [L733] 0 int *y$read_delayed_var; [L734] 0 int y$w_buff0; [L735] 0 _Bool y$w_buff0_used; [L736] 0 int y$w_buff1; [L737] 0 _Bool y$w_buff1_used; [L738] 0 _Bool weak$$choice0; [L739] 0 _Bool weak$$choice2; [L833] 0 pthread_t t1687; [L834] FCALL, FORK 0 pthread_create(&t1687, ((void *)0), P0, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1687=-1, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0] [L835] 0 pthread_t t1688; [L836] FCALL, FORK 0 pthread_create(&t1688, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1687=-1, t1688=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0] [L837] 0 pthread_t t1689; [L838] FCALL, FORK 0 pthread_create(&t1689, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1687=-1, t1688=0, t1689=1, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0] [L763] 2 y$w_buff1 = y$w_buff0 [L764] 2 y$w_buff0 = 2 [L765] 2 y$w_buff1_used = y$w_buff0_used [L766] 2 y$w_buff0_used = (_Bool)1 [L767] CALL 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 2 !(!expression) [L767] RET 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L768] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L769] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L770] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L771] 2 y$r_buff1_thd3 = y$r_buff0_thd3 [L772] 2 y$r_buff0_thd2 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L775] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L776] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L777] 2 y$flush_delayed = weak$$choice2 [L778] 2 y$mem_tmp = y [L779] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L780] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L781] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L782] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L783] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L784] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L785] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L786] 2 __unbuffered_p1_EAX = y [L787] 2 y = y$flush_delayed ? y$mem_tmp : y [L788] 2 y$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L791] 2 __unbuffered_p1_EBX = x VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L808] 3 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L743] 1 __unbuffered_p0_EAX = x VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L746] 1 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1] [L749] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L750] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L751] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L752] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L753] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1] [L811] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L812] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L813] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L814] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L815] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1] [L794] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L795] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L796] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L797] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L798] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L801] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L756] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L818] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L840] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1687=-1, t1688=0, t1689=1, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L842] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L842] RET 0 assume_abort_if_not(main$tmp_guard0) [L844] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L845] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L846] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L847] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L848] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1687=-1, t1688=0, t1689=1, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L851] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L852] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L853] 0 y$flush_delayed = weak$$choice2 [L854] 0 y$mem_tmp = y [L855] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L856] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L857] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L858] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L859] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L860] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L861] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L862] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 1 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0) [L863] 0 y = y$flush_delayed ? y$mem_tmp : y [L864] 0 y$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1687=-1, t1688=0, t1689=1, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L866] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L17] 0 __assert_fail ("0", "rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 831]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 836]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 834]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 838]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 68 locations, 7 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: 11.6s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 373 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 353 mSDsluCounter, 99 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 97 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 828 IncrementalHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 2 mSDtfsCounter, 828 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=163occurred in iteration=5, InterpolantAutomatonStates: 42, 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, 1.0s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 199 NumberOfCodeBlocks, 199 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 161 ConstructedInterpolants, 0 QuantifiedInterpolants, 1019 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-23 22:53:23,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC --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 596bf38d5c1bddbb7fa933c2910678824d7396d44da5246db401a53a5b4ba843 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:53:26,116 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:53:26,262 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-23 22:53:26,271 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:53:26,271 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:53:26,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:53:26,299 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:53:26,300 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:53:26,300 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:53:26,300 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:53:26,300 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:53:26,300 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:53:26,301 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:53:26,301 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:53:26,301 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:53:26,301 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:53:26,302 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 22:53:26,302 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:53:26,302 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 22:53:26,302 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:53:26,302 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-23 22:53:26,302 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-23 22:53:26,302 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-23 22:53:26,303 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:53:26,303 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 22:53:26,303 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 22:53:26,303 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 22:53:26,303 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 22:53:26,303 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 22:53:26,303 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:53:26,303 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:53:26,304 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:53:26,304 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:53:26,304 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:53:26,304 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:53:26,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:53:26,304 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:53:26,305 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:53:26,305 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:53:26,305 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:53:26,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:53:26,305 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:53:26,305 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:53:26,305 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 22:53:26,306 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 22:53:26,306 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:53:26,306 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:53:26,306 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:53:26,306 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:53:26,306 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_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC 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 -> 596bf38d5c1bddbb7fa933c2910678824d7396d44da5246db401a53a5b4ba843 [2024-11-23 22:53:26,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:53:26,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:53:26,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:53:26,756 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:53:26,757 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:53:26,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-23 22:53:29,797 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/data/9be61fb8b/f53feb88d44f4765b4da7e5763fd4bfb/FLAGb29f2373c [2024-11-23 22:53:30,171 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:53:30,172 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/sv-benchmarks/c/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-23 22:53:30,194 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/data/9be61fb8b/f53feb88d44f4765b4da7e5763fd4bfb/FLAGb29f2373c [2024-11-23 22:53:30,216 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/data/9be61fb8b/f53feb88d44f4765b4da7e5763fd4bfb [2024-11-23 22:53:30,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:53:30,221 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:53:30,223 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:53:30,225 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:53:30,229 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:53:30,230 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:53:30" (1/1) ... [2024-11-23 22:53:30,231 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a9f90ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:30, skipping insertion in model container [2024-11-23 22:53:30,231 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:53:30" (1/1) ... [2024-11-23 22:53:30,285 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:53:30,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:53:30,845 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:53:30,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:53:31,013 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:53:31,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:31 WrapperNode [2024-11-23 22:53:31,014 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:53:31,015 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:53:31,015 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:53:31,016 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:53:31,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:31" (1/1) ... [2024-11-23 22:53:31,041 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:31" (1/1) ... [2024-11-23 22:53:31,069 INFO L138 Inliner]: procedures = 176, calls = 43, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 161 [2024-11-23 22:53:31,070 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:53:31,070 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:53:31,070 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:53:31,071 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:53:31,080 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:31" (1/1) ... [2024-11-23 22:53:31,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:31" (1/1) ... [2024-11-23 22:53:31,084 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:31" (1/1) ... [2024-11-23 22:53:31,100 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]. [2024-11-23 22:53:31,100 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:31" (1/1) ... [2024-11-23 22:53:31,101 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:31" (1/1) ... [2024-11-23 22:53:31,110 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:31" (1/1) ... [2024-11-23 22:53:31,111 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:31" (1/1) ... [2024-11-23 22:53:31,113 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:31" (1/1) ... [2024-11-23 22:53:31,116 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:31" (1/1) ... [2024-11-23 22:53:31,117 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:31" (1/1) ... [2024-11-23 22:53:31,121 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:53:31,123 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:53:31,123 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:53:31,123 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:53:31,124 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:31" (1/1) ... [2024-11-23 22:53:31,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:53:31,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:53:31,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:53:31,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:53:31,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-23 22:53:31,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:53:31,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 22:53:31,189 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-23 22:53:31,189 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-23 22:53:31,189 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-23 22:53:31,189 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-23 22:53:31,189 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-23 22:53:31,189 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-23 22:53:31,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-23 22:53:31,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:53:31,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:53:31,191 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 22:53:31,389 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:53:31,391 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:53:31,847 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 22:53:31,848 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:53:32,193 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:53:32,194 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 22:53:32,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:53:32 BoogieIcfgContainer [2024-11-23 22:53:32,195 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:53:32,198 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:53:32,198 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:53:32,203 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:53:32,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:53:30" (1/3) ... [2024-11-23 22:53:32,204 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@489bcd00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:53:32, skipping insertion in model container [2024-11-23 22:53:32,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:53:31" (2/3) ... [2024-11-23 22:53:32,205 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@489bcd00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:53:32, skipping insertion in model container [2024-11-23 22:53:32,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:53:32" (3/3) ... [2024-11-23 22:53:32,206 INFO L128 eAbstractionObserver]: Analyzing ICFG rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-23 22:53:32,222 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:53:32,224 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i that has 4 procedures, 43 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-11-23 22:53:32,224 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 22:53:32,299 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-23 22:53:32,339 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 44 transitions, 100 flow [2024-11-23 22:53:32,382 INFO L124 PetriNetUnfolderBase]: 2/41 cut-off events. [2024-11-23 22:53:32,385 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 22:53:32,389 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 41 events. 2/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 43. Up to 2 conditions per place. [2024-11-23 22:53:32,390 INFO L82 GeneralOperation]: Start removeDead. Operand has 52 places, 44 transitions, 100 flow [2024-11-23 22:53:32,396 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 49 places, 41 transitions, 91 flow [2024-11-23 22:53:32,408 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:53:32,426 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;@3dc2320, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:53:32,426 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-23 22:53:32,433 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 22:53:32,435 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2024-11-23 22:53:32,435 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 22:53:32,435 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:53:32,436 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-23 22:53:32,436 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-23 22:53:32,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:32,443 INFO L85 PathProgramCache]: Analyzing trace with hash -170698376, now seen corresponding path program 1 times [2024-11-23 22:53:32,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:53:32,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [363919186] [2024-11-23 22:53:32,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:32,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:53:32,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:53:32,462 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:53:32,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 22:53:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:32,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 22:53:32,601 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:53:32,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:53:32,642 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:53:32,643 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:53:32,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363919186] [2024-11-23 22:53:32,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363919186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:32,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:32,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-23 22:53:32,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915967091] [2024-11-23 22:53:32,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:32,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:53:32,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:53:32,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:53:32,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:53:32,704 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 44 [2024-11-23 22:53:32,707 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 41 transitions, 91 flow. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) [2024-11-23 22:53:32,708 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:53:32,708 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 44 [2024-11-23 22:53:32,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:53:33,316 INFO L124 PetriNetUnfolderBase]: 868/1545 cut-off events. [2024-11-23 22:53:33,318 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-23 22:53:33,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2898 conditions, 1545 events. 868/1545 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 9938 event pairs, 108 based on Foata normal form. 90/1626 useless extension candidates. Maximal degree in co-relation 2887. Up to 1109 conditions per place. [2024-11-23 22:53:33,340 INFO L140 encePairwiseOnDemand]: 39/44 looper letters, 32 selfloop transitions, 2 changer transitions 2/51 dead transitions. [2024-11-23 22:53:33,341 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 51 transitions, 186 flow [2024-11-23 22:53:33,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:53:33,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:53:33,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 95 transitions. [2024-11-23 22:53:33,357 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7196969696969697 [2024-11-23 22:53:33,358 INFO L175 Difference]: Start difference. First operand has 49 places, 41 transitions, 91 flow. Second operand 3 states and 95 transitions. [2024-11-23 22:53:33,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 51 transitions, 186 flow [2024-11-23 22:53:33,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 51 transitions, 182 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-23 22:53:33,370 INFO L231 Difference]: Finished difference. Result has 46 places, 36 transitions, 82 flow [2024-11-23 22:53:33,374 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=46, PETRI_TRANSITIONS=36} [2024-11-23 22:53:33,379 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, -3 predicate places. [2024-11-23 22:53:33,379 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 36 transitions, 82 flow [2024-11-23 22:53:33,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) [2024-11-23 22:53:33,380 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:53:33,380 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:33,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 22:53:33,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:53:33,581 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-23 22:53:33,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:33,582 INFO L85 PathProgramCache]: Analyzing trace with hash -667228732, now seen corresponding path program 1 times [2024-11-23 22:53:33,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:53:33,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1062268458] [2024-11-23 22:53:33,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:33,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:53:33,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:53:33,586 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:53:33,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 22:53:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:33,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 22:53:33,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:53:33,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:53:33,737 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:53:33,737 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:53:33,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062268458] [2024-11-23 22:53:33,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1062268458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:33,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:33,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-23 22:53:33,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469883069] [2024-11-23 22:53:33,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:33,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:53:33,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:53:33,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:53:33,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:53:33,743 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 44 [2024-11-23 22:53:33,744 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 36 transitions, 82 flow. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 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) [2024-11-23 22:53:33,744 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:53:33,745 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 44 [2024-11-23 22:53:33,745 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:53:34,121 INFO L124 PetriNetUnfolderBase]: 772/1404 cut-off events. [2024-11-23 22:53:34,121 INFO L125 PetriNetUnfolderBase]: For 78/78 co-relation queries the response was YES. [2024-11-23 22:53:34,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2693 conditions, 1404 events. 772/1404 cut-off events. For 78/78 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 9069 event pairs, 772 based on Foata normal form. 45/1407 useless extension candidates. Maximal degree in co-relation 2683. Up to 1169 conditions per place. [2024-11-23 22:53:34,133 INFO L140 encePairwiseOnDemand]: 42/44 looper letters, 19 selfloop transitions, 1 changer transitions 1/35 dead transitions. [2024-11-23 22:53:34,133 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 35 transitions, 122 flow [2024-11-23 22:53:34,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:53:34,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:53:34,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 73 transitions. [2024-11-23 22:53:34,135 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.553030303030303 [2024-11-23 22:53:34,135 INFO L175 Difference]: Start difference. First operand has 46 places, 36 transitions, 82 flow. Second operand 3 states and 73 transitions. [2024-11-23 22:53:34,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 35 transitions, 122 flow [2024-11-23 22:53:34,136 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 35 transitions, 118 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 22:53:34,137 INFO L231 Difference]: Finished difference. Result has 44 places, 34 transitions, 76 flow [2024-11-23 22:53:34,137 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=44, PETRI_TRANSITIONS=34} [2024-11-23 22:53:34,137 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, -5 predicate places. [2024-11-23 22:53:34,138 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 34 transitions, 76 flow [2024-11-23 22:53:34,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 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) [2024-11-23 22:53:34,138 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:53:34,138 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:34,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 22:53:34,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:53:34,338 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-23 22:53:34,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:34,339 INFO L85 PathProgramCache]: Analyzing trace with hash -667227146, now seen corresponding path program 1 times [2024-11-23 22:53:34,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:53:34,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [394355598] [2024-11-23 22:53:34,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:34,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:53:34,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:53:34,343 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:53:34,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 22:53:34,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:34,460 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 22:53:34,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:53:34,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:53:34,513 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:53:34,513 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:53:34,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394355598] [2024-11-23 22:53:34,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394355598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:34,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:34,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:53:34,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609369887] [2024-11-23 22:53:34,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:34,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:53:34,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:53:34,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:53:34,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:53:34,528 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 44 [2024-11-23 22:53:34,529 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 34 transitions, 76 flow. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:53:34,530 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:53:34,530 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 44 [2024-11-23 22:53:34,530 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:53:35,161 INFO L124 PetriNetUnfolderBase]: 1635/2721 cut-off events. [2024-11-23 22:53:35,162 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 22:53:35,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5243 conditions, 2721 events. 1635/2721 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 16599 event pairs, 179 based on Foata normal form. 96/2794 useless extension candidates. Maximal degree in co-relation 5237. Up to 1537 conditions per place. [2024-11-23 22:53:35,180 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 43 selfloop transitions, 5 changer transitions 1/59 dead transitions. [2024-11-23 22:53:35,180 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 59 transitions, 228 flow [2024-11-23 22:53:35,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:53:35,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-23 22:53:35,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 107 transitions. [2024-11-23 22:53:35,182 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6079545454545454 [2024-11-23 22:53:35,182 INFO L175 Difference]: Start difference. First operand has 44 places, 34 transitions, 76 flow. Second operand 4 states and 107 transitions. [2024-11-23 22:53:35,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 59 transitions, 228 flow [2024-11-23 22:53:35,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 59 transitions, 227 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 22:53:35,184 INFO L231 Difference]: Finished difference. Result has 47 places, 37 transitions, 109 flow [2024-11-23 22:53:35,184 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=109, PETRI_PLACES=47, PETRI_TRANSITIONS=37} [2024-11-23 22:53:35,185 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, -2 predicate places. [2024-11-23 22:53:35,185 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 37 transitions, 109 flow [2024-11-23 22:53:35,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:53:35,186 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:53:35,186 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:35,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-23 22:53:35,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:53:35,390 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-23 22:53:35,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:35,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1888565038, now seen corresponding path program 1 times [2024-11-23 22:53:35,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:53:35,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [400143948] [2024-11-23 22:53:35,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:35,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:53:35,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:53:35,395 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:53:35,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 22:53:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:35,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 22:53:35,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:53:35,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:53:35,561 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:53:35,561 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:53:35,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400143948] [2024-11-23 22:53:35,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400143948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:35,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:35,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 22:53:35,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611333962] [2024-11-23 22:53:35,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:35,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:53:35,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:53:35,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:53:35,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:53:35,575 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 44 [2024-11-23 22:53:35,576 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 109 flow. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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) [2024-11-23 22:53:35,576 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:53:35,576 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 44 [2024-11-23 22:53:35,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:53:35,999 INFO L124 PetriNetUnfolderBase]: 1027/1737 cut-off events. [2024-11-23 22:53:35,999 INFO L125 PetriNetUnfolderBase]: For 422/422 co-relation queries the response was YES. [2024-11-23 22:53:36,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3958 conditions, 1737 events. 1027/1737 cut-off events. For 422/422 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 9345 event pairs, 95 based on Foata normal form. 80/1798 useless extension candidates. Maximal degree in co-relation 3949. Up to 697 conditions per place. [2024-11-23 22:53:36,010 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 54 selfloop transitions, 8 changer transitions 1/73 dead transitions. [2024-11-23 22:53:36,010 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 73 transitions, 328 flow [2024-11-23 22:53:36,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:53:36,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-23 22:53:36,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 135 transitions. [2024-11-23 22:53:36,012 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6136363636363636 [2024-11-23 22:53:36,012 INFO L175 Difference]: Start difference. First operand has 47 places, 37 transitions, 109 flow. Second operand 5 states and 135 transitions. [2024-11-23 22:53:36,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 73 transitions, 328 flow [2024-11-23 22:53:36,014 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 73 transitions, 318 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-23 22:53:36,015 INFO L231 Difference]: Finished difference. Result has 51 places, 40 transitions, 149 flow [2024-11-23 22:53:36,015 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=149, PETRI_PLACES=51, PETRI_TRANSITIONS=40} [2024-11-23 22:53:36,016 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 2 predicate places. [2024-11-23 22:53:36,016 INFO L471 AbstractCegarLoop]: Abstraction has has 51 places, 40 transitions, 149 flow [2024-11-23 22:53:36,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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) [2024-11-23 22:53:36,016 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:53:36,017 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:36,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-23 22:53:36,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:53:36,217 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-23 22:53:36,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:36,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1923291947, now seen corresponding path program 1 times [2024-11-23 22:53:36,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:53:36,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1868209857] [2024-11-23 22:53:36,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:36,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:53:36,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:53:36,220 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:53:36,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 22:53:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:36,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 22:53:36,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:53:36,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:53:36,423 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:53:36,423 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:53:36,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868209857] [2024-11-23 22:53:36,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868209857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:36,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:36,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 22:53:36,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31040768] [2024-11-23 22:53:36,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:36,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 22:53:36,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:53:36,428 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 22:53:36,428 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 22:53:36,440 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 44 [2024-11-23 22:53:36,441 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 40 transitions, 149 flow. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 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) [2024-11-23 22:53:36,441 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:53:36,441 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 44 [2024-11-23 22:53:36,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:53:36,835 INFO L124 PetriNetUnfolderBase]: 575/957 cut-off events. [2024-11-23 22:53:36,835 INFO L125 PetriNetUnfolderBase]: For 765/765 co-relation queries the response was YES. [2024-11-23 22:53:36,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2490 conditions, 957 events. 575/957 cut-off events. For 765/765 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 4303 event pairs, 79 based on Foata normal form. 40/978 useless extension candidates. Maximal degree in co-relation 2479. Up to 308 conditions per place. [2024-11-23 22:53:36,842 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 47 selfloop transitions, 11 changer transitions 1/69 dead transitions. [2024-11-23 22:53:36,843 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 69 transitions, 335 flow [2024-11-23 22:53:36,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 22:53:36,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-23 22:53:36,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 145 transitions. [2024-11-23 22:53:36,845 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5492424242424242 [2024-11-23 22:53:36,847 INFO L175 Difference]: Start difference. First operand has 51 places, 40 transitions, 149 flow. Second operand 6 states and 145 transitions. [2024-11-23 22:53:36,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 69 transitions, 335 flow [2024-11-23 22:53:36,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 69 transitions, 310 flow, removed 4 selfloop flow, removed 4 redundant places. [2024-11-23 22:53:36,856 INFO L231 Difference]: Finished difference. Result has 54 places, 40 transitions, 163 flow [2024-11-23 22:53:36,857 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=163, PETRI_PLACES=54, PETRI_TRANSITIONS=40} [2024-11-23 22:53:36,857 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 5 predicate places. [2024-11-23 22:53:36,857 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 40 transitions, 163 flow [2024-11-23 22:53:36,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 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) [2024-11-23 22:53:36,858 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:53:36,858 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:36,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-23 22:53:37,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:53:37,059 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-23 22:53:37,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:37,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1429034485, now seen corresponding path program 1 times [2024-11-23 22:53:37,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:53:37,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [607524886] [2024-11-23 22:53:37,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:53:37,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:53:37,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:53:37,063 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:53:37,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-23 22:53:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:53:37,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-23 22:53:37,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:53:37,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:53:37,693 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:53:37,693 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:53:37,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607524886] [2024-11-23 22:53:37,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607524886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:37,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:37,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 22:53:37,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552326919] [2024-11-23 22:53:37,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:37,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 22:53:37,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:53:37,695 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 22:53:37,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-23 22:53:37,749 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 44 [2024-11-23 22:53:37,750 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 40 transitions, 163 flow. Second operand has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 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) [2024-11-23 22:53:37,750 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:53:37,750 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 44 [2024-11-23 22:53:37,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:53:38,316 INFO L124 PetriNetUnfolderBase]: 1219/1978 cut-off events. [2024-11-23 22:53:38,316 INFO L125 PetriNetUnfolderBase]: For 1542/1542 co-relation queries the response was YES. [2024-11-23 22:53:38,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5112 conditions, 1978 events. 1219/1978 cut-off events. For 1542/1542 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 9826 event pairs, 341 based on Foata normal form. 8/1973 useless extension candidates. Maximal degree in co-relation 5100. Up to 822 conditions per place. [2024-11-23 22:53:38,326 INFO L140 encePairwiseOnDemand]: 35/44 looper letters, 53 selfloop transitions, 7 changer transitions 24/92 dead transitions. [2024-11-23 22:53:38,326 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 92 transitions, 525 flow [2024-11-23 22:53:38,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 22:53:38,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-23 22:53:38,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 160 transitions. [2024-11-23 22:53:38,328 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5194805194805194 [2024-11-23 22:53:38,328 INFO L175 Difference]: Start difference. First operand has 54 places, 40 transitions, 163 flow. Second operand 7 states and 160 transitions. [2024-11-23 22:53:38,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 92 transitions, 525 flow [2024-11-23 22:53:38,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 92 transitions, 408 flow, removed 20 selfloop flow, removed 8 redundant places. [2024-11-23 22:53:38,344 INFO L231 Difference]: Finished difference. Result has 57 places, 45 transitions, 164 flow [2024-11-23 22:53:38,344 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=164, PETRI_PLACES=57, PETRI_TRANSITIONS=45} [2024-11-23 22:53:38,344 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 8 predicate places. [2024-11-23 22:53:38,345 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 45 transitions, 164 flow [2024-11-23 22:53:38,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 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) [2024-11-23 22:53:38,345 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:53:38,345 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:38,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-23 22:53:38,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:53:38,546 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-23 22:53:38,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:38,546 INFO L85 PathProgramCache]: Analyzing trace with hash 295731585, now seen corresponding path program 2 times [2024-11-23 22:53:38,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:53:38,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1590800578] [2024-11-23 22:53:38,547 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-23 22:53:38,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:53:38,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:53:38,552 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:53:38,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-23 22:53:38,661 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 22:53:38,662 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 22:53:38,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-23 22:53:38,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:53:39,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:53:39,064 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:53:39,064 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:53:39,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590800578] [2024-11-23 22:53:39,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590800578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:39,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:39,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 22:53:39,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264880499] [2024-11-23 22:53:39,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:39,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 22:53:39,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:53:39,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 22:53:39,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:53:39,081 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 44 [2024-11-23 22:53:39,081 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 45 transitions, 164 flow. Second operand has 9 states, 9 states have (on average 18.11111111111111) internal successors, (163), 9 states have internal predecessors, (163), 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) [2024-11-23 22:53:39,082 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:53:39,082 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 44 [2024-11-23 22:53:39,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:53:39,508 INFO L124 PetriNetUnfolderBase]: 606/1135 cut-off events. [2024-11-23 22:53:39,509 INFO L125 PetriNetUnfolderBase]: For 96/108 co-relation queries the response was YES. [2024-11-23 22:53:39,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2367 conditions, 1135 events. 606/1135 cut-off events. For 96/108 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 6044 event pairs, 250 based on Foata normal form. 8/1056 useless extension candidates. Maximal degree in co-relation 2354. Up to 559 conditions per place. [2024-11-23 22:53:39,515 INFO L140 encePairwiseOnDemand]: 35/44 looper letters, 28 selfloop transitions, 5 changer transitions 14/70 dead transitions. [2024-11-23 22:53:39,515 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 70 transitions, 315 flow [2024-11-23 22:53:39,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 22:53:39,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-23 22:53:39,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 160 transitions. [2024-11-23 22:53:39,517 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5194805194805194 [2024-11-23 22:53:39,517 INFO L175 Difference]: Start difference. First operand has 57 places, 45 transitions, 164 flow. Second operand 7 states and 160 transitions. [2024-11-23 22:53:39,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 70 transitions, 315 flow [2024-11-23 22:53:39,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 70 transitions, 301 flow, removed 5 selfloop flow, removed 3 redundant places. [2024-11-23 22:53:39,520 INFO L231 Difference]: Finished difference. Result has 62 places, 48 transitions, 188 flow [2024-11-23 22:53:39,521 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=188, PETRI_PLACES=62, PETRI_TRANSITIONS=48} [2024-11-23 22:53:39,522 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 13 predicate places. [2024-11-23 22:53:39,522 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 48 transitions, 188 flow [2024-11-23 22:53:39,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.11111111111111) internal successors, (163), 9 states have internal predecessors, (163), 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) [2024-11-23 22:53:39,523 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:53:39,523 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:39,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-23 22:53:39,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:53:39,730 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-23 22:53:39,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:39,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1496342139, now seen corresponding path program 3 times [2024-11-23 22:53:39,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:53:39,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [417363325] [2024-11-23 22:53:39,731 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-23 22:53:39,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:53:39,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:53:39,735 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:53:39,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-23 22:53:39,832 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-23 22:53:39,832 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 22:53:39,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-23 22:53:39,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:53:40,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:53:40,164 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:53:40,164 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:53:40,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417363325] [2024-11-23 22:53:40,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417363325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:40,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:40,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 22:53:40,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174426797] [2024-11-23 22:53:40,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:40,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 22:53:40,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:53:40,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 22:53:40,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-23 22:53:40,197 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 44 [2024-11-23 22:53:40,198 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 48 transitions, 188 flow. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 9 states have internal predecessors, (131), 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) [2024-11-23 22:53:40,198 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:53:40,198 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 44 [2024-11-23 22:53:40,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:53:40,862 INFO L124 PetriNetUnfolderBase]: 1582/2547 cut-off events. [2024-11-23 22:53:40,862 INFO L125 PetriNetUnfolderBase]: For 1097/1115 co-relation queries the response was YES. [2024-11-23 22:53:40,870 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6562 conditions, 2547 events. 1582/2547 cut-off events. For 1097/1115 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 12901 event pairs, 304 based on Foata normal form. 16/2544 useless extension candidates. Maximal degree in co-relation 6546. Up to 1365 conditions per place. [2024-11-23 22:53:40,877 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 47 selfloop transitions, 8 changer transitions 41/105 dead transitions. [2024-11-23 22:53:40,877 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 105 transitions, 578 flow [2024-11-23 22:53:40,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 22:53:40,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-23 22:53:40,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 185 transitions. [2024-11-23 22:53:40,878 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4671717171717172 [2024-11-23 22:53:40,879 INFO L175 Difference]: Start difference. First operand has 62 places, 48 transitions, 188 flow. Second operand 9 states and 185 transitions. [2024-11-23 22:53:40,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 105 transitions, 578 flow [2024-11-23 22:53:40,881 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 105 transitions, 555 flow, removed 5 selfloop flow, removed 5 redundant places. [2024-11-23 22:53:40,883 INFO L231 Difference]: Finished difference. Result has 67 places, 48 transitions, 208 flow [2024-11-23 22:53:40,883 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=208, PETRI_PLACES=67, PETRI_TRANSITIONS=48} [2024-11-23 22:53:40,884 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 18 predicate places. [2024-11-23 22:53:40,884 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 48 transitions, 208 flow [2024-11-23 22:53:40,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 9 states have internal predecessors, (131), 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) [2024-11-23 22:53:40,884 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:53:40,884 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:40,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-23 22:53:41,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:53:41,089 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-23 22:53:41,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:41,089 INFO L85 PathProgramCache]: Analyzing trace with hash 864350003, now seen corresponding path program 4 times [2024-11-23 22:53:41,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:53:41,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1317306356] [2024-11-23 22:53:41,090 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-23 22:53:41,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:53:41,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:53:41,092 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:53:41,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-23 22:53:41,191 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-23 22:53:41,191 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-23 22:53:41,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-23 22:53:41,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:53:41,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:53:41,818 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:53:41,818 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:53:41,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317306356] [2024-11-23 22:53:41,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317306356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:53:41,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:53:41,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 22:53:41,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464206137] [2024-11-23 22:53:41,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:53:41,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 22:53:41,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:53:41,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 22:53:41,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-23 22:53:41,836 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 44 [2024-11-23 22:53:41,837 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 48 transitions, 208 flow. Second operand has 10 states, 10 states have (on average 17.9) internal successors, (179), 10 states have internal predecessors, (179), 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) [2024-11-23 22:53:41,837 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:53:41,837 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 44 [2024-11-23 22:53:41,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:53:42,448 INFO L124 PetriNetUnfolderBase]: 821/1545 cut-off events. [2024-11-23 22:53:42,449 INFO L125 PetriNetUnfolderBase]: For 580/628 co-relation queries the response was YES. [2024-11-23 22:53:42,454 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3695 conditions, 1545 events. 821/1545 cut-off events. For 580/628 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 8785 event pairs, 120 based on Foata normal form. 8/1518 useless extension candidates. Maximal degree in co-relation 3677. Up to 365 conditions per place. [2024-11-23 22:53:42,459 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 50 selfloop transitions, 9 changer transitions 16/98 dead transitions. [2024-11-23 22:53:42,459 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 98 transitions, 497 flow [2024-11-23 22:53:42,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 22:53:42,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-23 22:53:42,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 214 transitions. [2024-11-23 22:53:42,460 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5404040404040404 [2024-11-23 22:53:42,461 INFO L175 Difference]: Start difference. First operand has 67 places, 48 transitions, 208 flow. Second operand 9 states and 214 transitions. [2024-11-23 22:53:42,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 98 transitions, 497 flow [2024-11-23 22:53:42,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 98 transitions, 464 flow, removed 8 selfloop flow, removed 7 redundant places. [2024-11-23 22:53:42,466 INFO L231 Difference]: Finished difference. Result has 69 places, 54 transitions, 251 flow [2024-11-23 22:53:42,466 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=251, PETRI_PLACES=69, PETRI_TRANSITIONS=54} [2024-11-23 22:53:42,466 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 20 predicate places. [2024-11-23 22:53:42,466 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 54 transitions, 251 flow [2024-11-23 22:53:42,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.9) internal successors, (179), 10 states have internal predecessors, (179), 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) [2024-11-23 22:53:42,467 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:53:42,467 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:53:42,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-23 22:53:42,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:53:42,667 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-23 22:53:42,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:53:42,668 INFO L85 PathProgramCache]: Analyzing trace with hash 776337733, now seen corresponding path program 5 times [2024-11-23 22:53:42,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:53:42,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [639161036] [2024-11-23 22:53:42,668 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-23 22:53:42,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:53:42,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:53:42,672 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:53:42,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-23 22:53:42,790 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-23 22:53:42,791 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-23 22:53:42,792 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 22:53:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:53:42,892 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-23 22:53:42,892 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 22:53:42,893 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2024-11-23 22:53:42,895 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining) [2024-11-23 22:53:42,895 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining) [2024-11-23 22:53:42,895 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-11-23 22:53:42,896 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-11-23 22:53:42,896 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-11-23 22:53:42,896 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-23 22:53:42,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-23 22:53:43,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:53:43,097 INFO L422 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1] [2024-11-23 22:53:43,206 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 22:53:43,207 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 22:53:43,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:53:43 BasicIcfg [2024-11-23 22:53:43,215 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 22:53:43,216 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 22:53:43,216 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 22:53:43,216 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 22:53:43,217 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:53:32" (3/4) ... [2024-11-23 22:53:43,219 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 22:53:43,220 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 22:53:43,221 INFO L158 Benchmark]: Toolchain (without parser) took 12999.18ms. Allocated memory was 83.9MB in the beginning and 226.5MB in the end (delta: 142.6MB). Free memory was 58.9MB in the beginning and 154.9MB in the end (delta: -95.9MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2024-11-23 22:53:43,221 INFO L158 Benchmark]: CDTParser took 2.89ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:53:43,221 INFO L158 Benchmark]: CACSL2BoogieTranslator took 791.53ms. Allocated memory is still 83.9MB. Free memory was 58.6MB in the beginning and 34.3MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 22:53:43,222 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.55ms. Allocated memory is still 83.9MB. Free memory was 34.3MB in the beginning and 31.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:53:43,222 INFO L158 Benchmark]: Boogie Preprocessor took 50.76ms. Allocated memory is still 83.9MB. Free memory was 31.6MB in the beginning and 28.2MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:53:43,224 INFO L158 Benchmark]: RCFGBuilder took 1072.42ms. Allocated memory is still 83.9MB. Free memory was 28.2MB in the beginning and 53.3MB in the end (delta: -25.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-23 22:53:43,224 INFO L158 Benchmark]: TraceAbstraction took 11017.03ms. Allocated memory was 83.9MB in the beginning and 226.5MB in the end (delta: 142.6MB). Free memory was 52.7MB in the beginning and 154.9MB in the end (delta: -102.1MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2024-11-23 22:53:43,225 INFO L158 Benchmark]: Witness Printer took 3.58ms. Allocated memory is still 226.5MB. Free memory was 154.9MB in the beginning and 154.9MB in the end (delta: 27.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:53:43,226 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.89ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 791.53ms. Allocated memory is still 83.9MB. Free memory was 58.6MB in the beginning and 34.3MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.55ms. Allocated memory is still 83.9MB. Free memory was 34.3MB in the beginning and 31.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.76ms. Allocated memory is still 83.9MB. Free memory was 31.6MB in the beginning and 28.2MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1072.42ms. Allocated memory is still 83.9MB. Free memory was 28.2MB in the beginning and 53.3MB in the end (delta: -25.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 11017.03ms. Allocated memory was 83.9MB in the beginning and 226.5MB in the end (delta: 142.6MB). Free memory was 52.7MB in the beginning and 154.9MB in the end (delta: -102.1MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * Witness Printer took 3.58ms. Allocated memory is still 226.5MB. Free memory was 154.9MB in the beginning and 154.9MB in the end (delta: 27.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 17. Possible FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p1_EAX = 0; [L715] 0 int __unbuffered_p1_EBX = 0; [L716] 0 _Bool main$tmp_guard0; [L717] 0 _Bool main$tmp_guard1; [L719] 0 int x = 0; [L721] 0 int y = 0; [L722] 0 _Bool y$flush_delayed; [L723] 0 int y$mem_tmp; [L724] 0 _Bool y$r_buff0_thd0; [L725] 0 _Bool y$r_buff0_thd1; [L726] 0 _Bool y$r_buff0_thd2; [L727] 0 _Bool y$r_buff0_thd3; [L728] 0 _Bool y$r_buff1_thd0; [L729] 0 _Bool y$r_buff1_thd1; [L730] 0 _Bool y$r_buff1_thd2; [L731] 0 _Bool y$r_buff1_thd3; [L732] 0 _Bool y$read_delayed; [L733] 0 int *y$read_delayed_var; [L734] 0 int y$w_buff0; [L735] 0 _Bool y$w_buff0_used; [L736] 0 int y$w_buff1; [L737] 0 _Bool y$w_buff1_used; [L738] 0 _Bool weak$$choice0; [L739] 0 _Bool weak$$choice2; [L833] 0 pthread_t t1687; [L834] FCALL, FORK 0 pthread_create(&t1687, ((void *)0), P0, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1687=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0] [L835] 0 pthread_t t1688; [L836] FCALL, FORK 0 pthread_create(&t1688, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1687=0, t1688=1, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0] [L837] 0 pthread_t t1689; [L838] FCALL, FORK 0 pthread_create(&t1689, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1687=0, t1688=1, t1689=2, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0] [L763] 2 y$w_buff1 = y$w_buff0 [L764] 2 y$w_buff0 = 2 [L765] 2 y$w_buff1_used = y$w_buff0_used [L766] 2 y$w_buff0_used = (_Bool)1 [L767] CALL 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 2 !(!expression) [L767] RET 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L768] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L769] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L770] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L771] 2 y$r_buff1_thd3 = y$r_buff0_thd3 [L772] 2 y$r_buff0_thd2 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L775] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L776] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L777] 2 y$flush_delayed = weak$$choice2 [L778] 2 y$mem_tmp = y [L779] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L780] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L781] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L782] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L783] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L784] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L785] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L786] 2 __unbuffered_p1_EAX = y [L787] 2 y = y$flush_delayed ? y$mem_tmp : y [L788] 2 y$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L791] 2 __unbuffered_p1_EBX = x VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L808] 3 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L743] 1 __unbuffered_p0_EAX = x VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L746] 1 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1] [L811] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L812] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L813] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L814] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L815] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1] [L749] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L750] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L751] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L752] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L753] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1] [L794] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L795] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L796] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L797] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L798] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L818] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L756] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L801] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L840] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1687=0, t1688=1, t1689=2, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L842] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L842] RET 0 assume_abort_if_not(main$tmp_guard0) [L844] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L845] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L846] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L847] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L848] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1687=0, t1688=1, t1689=2, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L851] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L852] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L853] 0 y$flush_delayed = weak$$choice2 [L854] 0 y$mem_tmp = y [L855] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L856] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L857] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L858] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L859] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L860] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L861] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L862] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 1 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0) [L863] 0 y = y$flush_delayed ? y$mem_tmp : y [L864] 0 y$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1687=0, t1688=1, t1689=2, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L866] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L17] 0 __assert_fail ("0", "rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 831]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 836]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 834]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 838]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 68 locations, 7 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: 10.8s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 460 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 425 mSDsluCounter, 270 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 250 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1342 IncrementalHoareTripleChecker+Invalid, 1392 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 20 mSDtfsCounter, 1342 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 211 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=251occurred in iteration=9, InterpolantAutomatonStates: 53, 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: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 229 NumberOfCodeBlocks, 228 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 190 ConstructedInterpolants, 0 QuantifiedInterpolants, 1070 SizeOfPredicates, 29 NumberOfNonLiveVariables, 987 ConjunctsInSsa, 83 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-23 22:53:43,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd554db9-f2c0-42a1-87df-420f80ab5688/bin/uautomizer-verify-LYvppIcaGC/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: UNKNOWN: Overapproximated counterexample