./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/mix004.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/mix004.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB --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 89021de777f0aa5756284679b7b3bd19ab661d8d626f08ad7f7db0bc955b507d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:17:54,865 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:17:54,991 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-28 05:17:55,000 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:17:55,001 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:17:55,046 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:17:55,047 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:17:55,048 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:17:55,049 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:17:55,049 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:17:55,049 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:17:55,050 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:17:55,050 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:17:55,050 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:17:55,050 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:17:55,051 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:17:55,052 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:17:55,053 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:17:55,053 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:17:55,053 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:17:55,053 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 05:17:55,053 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 05:17:55,053 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 05:17:55,054 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:17:55,054 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 05:17:55,054 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 05:17:55,054 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:17:55,054 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:17:55,054 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:17:55,054 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:17:55,055 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:17:55,055 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:17:55,055 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:17:55,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:17:55,055 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:17:55,055 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:17:55,055 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:17:55,055 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:17:55,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:17:55,056 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:17:55,056 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:17:55,056 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:17:55,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:17:55,056 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:17:55,056 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:17:55,056 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:17:55,056 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:17:55,056 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_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 89021de777f0aa5756284679b7b3bd19ab661d8d626f08ad7f7db0bc955b507d [2024-11-28 05:17:55,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:17:55,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:17:55,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:17:55,459 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:17:55,459 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:17:55,461 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-wmm/mix004.opt.i [2024-11-28 05:17:58,773 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/data/83db705a2/54880f2c8eb24f32a5016f4d55cbd414/FLAGa408656db [2024-11-28 05:17:59,232 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:17:59,233 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/sv-benchmarks/c/pthread-wmm/mix004.opt.i [2024-11-28 05:17:59,249 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/data/83db705a2/54880f2c8eb24f32a5016f4d55cbd414/FLAGa408656db [2024-11-28 05:17:59,268 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/data/83db705a2/54880f2c8eb24f32a5016f4d55cbd414 [2024-11-28 05:17:59,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:17:59,276 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:17:59,277 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:17:59,277 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:17:59,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:17:59,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:17:59" (1/1) ... [2024-11-28 05:17:59,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78938e3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:59, skipping insertion in model container [2024-11-28 05:17:59,285 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:17:59" (1/1) ... [2024-11-28 05:17:59,327 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:17:59,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:17:59,804 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:17:59,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:17:59,957 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:17:59,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:59 WrapperNode [2024-11-28 05:17:59,959 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:17:59,960 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:17:59,960 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:17:59,960 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:17:59,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:59" (1/1) ... [2024-11-28 05:17:59,996 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:59" (1/1) ... [2024-11-28 05:18:00,049 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 156 [2024-11-28 05:18:00,053 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:18:00,054 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:18:00,054 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:18:00,054 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:18:00,067 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:59" (1/1) ... [2024-11-28 05:18:00,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:59" (1/1) ... [2024-11-28 05:18:00,071 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:59" (1/1) ... [2024-11-28 05:18:00,091 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]. [2024-11-28 05:18:00,091 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:59" (1/1) ... [2024-11-28 05:18:00,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:59" (1/1) ... [2024-11-28 05:18:00,109 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:59" (1/1) ... [2024-11-28 05:18:00,110 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:59" (1/1) ... [2024-11-28 05:18:00,116 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:59" (1/1) ... [2024-11-28 05:18:00,121 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:59" (1/1) ... [2024-11-28 05:18:00,123 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:59" (1/1) ... [2024-11-28 05:18:00,129 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:18:00,130 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:18:00,134 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:18:00,135 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:18:00,136 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:59" (1/1) ... [2024-11-28 05:18:00,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:18:00,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:00,190 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:00,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:18:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 05:18:00,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:18:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-28 05:18:00,227 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-28 05:18:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-28 05:18:00,227 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-28 05:18:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-28 05:18:00,228 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-28 05:18:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-28 05:18:00,228 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-28 05:18:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:18:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 05:18:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:18:00,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:18:00,230 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 05:18:00,464 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:18:00,467 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:18:01,016 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 05:18:01,016 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:18:01,406 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:18:01,407 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 05:18:01,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:18:01 BoogieIcfgContainer [2024-11-28 05:18:01,408 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:18:01,411 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:18:01,412 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:18:01,418 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:18:01,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:17:59" (1/3) ... [2024-11-28 05:18:01,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e0b472e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:18:01, skipping insertion in model container [2024-11-28 05:18:01,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:17:59" (2/3) ... [2024-11-28 05:18:01,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e0b472e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:18:01, skipping insertion in model container [2024-11-28 05:18:01,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:18:01" (3/3) ... [2024-11-28 05:18:01,423 INFO L128 eAbstractionObserver]: Analyzing ICFG mix004.opt.i [2024-11-28 05:18:01,440 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:18:01,442 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix004.opt.i that has 5 procedures, 54 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-11-28 05:18:01,443 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 05:18:01,545 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 05:18:01,606 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 66 places, 55 transitions, 126 flow [2024-11-28 05:18:01,678 INFO L124 PetriNetUnfolderBase]: 2/51 cut-off events. [2024-11-28 05:18:01,680 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 05:18:01,687 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 51 events. 2/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 109 event pairs, 0 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2024-11-28 05:18:01,688 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 55 transitions, 126 flow [2024-11-28 05:18:01,693 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 62 places, 51 transitions, 114 flow [2024-11-28 05:18:01,706 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:18:01,722 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;@7e1b652, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:18:01,722 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-28 05:18:01,745 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 05:18:01,745 INFO L124 PetriNetUnfolderBase]: 0/27 cut-off events. [2024-11-28 05:18:01,746 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 05:18:01,746 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:01,746 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:01,747 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P3Err0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 05:18:01,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:01,753 INFO L85 PathProgramCache]: Analyzing trace with hash -951107217, now seen corresponding path program 1 times [2024-11-28 05:18:01,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:01,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356227953] [2024-11-28 05:18:01,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:01,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:02,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:02,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:02,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356227953] [2024-11-28 05:18:02,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356227953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:02,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:02,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 05:18:02,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929976042] [2024-11-28 05:18:02,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:02,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:18:02,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:18:02,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:18:02,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:18:02,602 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 28 out of 55 [2024-11-28 05:18:02,605 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 51 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2024-11-28 05:18:02,605 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:02,606 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 28 of 55 [2024-11-28 05:18:02,606 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:03,460 INFO L124 PetriNetUnfolderBase]: 1175/2003 cut-off events. [2024-11-28 05:18:03,460 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 05:18:03,472 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3739 conditions, 2003 events. 1175/2003 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 14303 event pairs, 199 based on Foata normal form. 120/2080 useless extension candidates. Maximal degree in co-relation 3727. Up to 1361 conditions per place. [2024-11-28 05:18:03,502 INFO L140 encePairwiseOnDemand]: 50/55 looper letters, 30 selfloop transitions, 2 changer transitions 2/58 dead transitions. [2024-11-28 05:18:03,502 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 58 transitions, 196 flow [2024-11-28 05:18:03,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:18:03,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:18:03,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 123 transitions. [2024-11-28 05:18:03,528 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7454545454545455 [2024-11-28 05:18:03,531 INFO L175 Difference]: Start difference. First operand has 62 places, 51 transitions, 114 flow. Second operand 3 states and 123 transitions. [2024-11-28 05:18:03,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 58 transitions, 196 flow [2024-11-28 05:18:03,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 58 transitions, 192 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 05:18:03,548 INFO L231 Difference]: Finished difference. Result has 58 places, 46 transitions, 104 flow [2024-11-28 05:18:03,552 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=58, PETRI_TRANSITIONS=46} [2024-11-28 05:18:03,559 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, -4 predicate places. [2024-11-28 05:18:03,559 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 46 transitions, 104 flow [2024-11-28 05:18:03,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2024-11-28 05:18:03,559 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:03,559 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:03,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 05:18:03,560 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 05:18:03,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:03,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1422308279, now seen corresponding path program 1 times [2024-11-28 05:18:03,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:03,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879462125] [2024-11-28 05:18:03,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:03,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:03,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:03,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:03,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879462125] [2024-11-28 05:18:03,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879462125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:03,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:03,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 05:18:03,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639171301] [2024-11-28 05:18:03,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:03,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:18:03,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:18:03,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:18:03,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:18:03,708 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 55 [2024-11-28 05:18:03,708 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 46 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:18:03,708 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:03,708 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 55 [2024-11-28 05:18:03,708 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:04,314 INFO L124 PetriNetUnfolderBase]: 1027/1867 cut-off events. [2024-11-28 05:18:04,314 INFO L125 PetriNetUnfolderBase]: For 84/84 co-relation queries the response was YES. [2024-11-28 05:18:04,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3477 conditions, 1867 events. 1027/1867 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 13980 event pairs, 1027 based on Foata normal form. 60/1860 useless extension candidates. Maximal degree in co-relation 3467. Up to 1484 conditions per place. [2024-11-28 05:18:04,335 INFO L140 encePairwiseOnDemand]: 53/55 looper letters, 20 selfloop transitions, 1 changer transitions 1/45 dead transitions. [2024-11-28 05:18:04,336 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 45 transitions, 146 flow [2024-11-28 05:18:04,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:18:04,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:18:04,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 104 transitions. [2024-11-28 05:18:04,340 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6303030303030303 [2024-11-28 05:18:04,340 INFO L175 Difference]: Start difference. First operand has 58 places, 46 transitions, 104 flow. Second operand 3 states and 104 transitions. [2024-11-28 05:18:04,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 45 transitions, 146 flow [2024-11-28 05:18:04,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 45 transitions, 142 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 05:18:04,346 INFO L231 Difference]: Finished difference. Result has 56 places, 44 transitions, 98 flow [2024-11-28 05:18:04,346 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=98, PETRI_PLACES=56, PETRI_TRANSITIONS=44} [2024-11-28 05:18:04,347 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, -6 predicate places. [2024-11-28 05:18:04,347 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 44 transitions, 98 flow [2024-11-28 05:18:04,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:18:04,348 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:04,348 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:04,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:18:04,349 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 05:18:04,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:04,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1422309497, now seen corresponding path program 1 times [2024-11-28 05:18:04,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:04,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551915753] [2024-11-28 05:18:04,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:04,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:04,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:04,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:04,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551915753] [2024-11-28 05:18:04,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551915753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:04,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:04,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:18:04,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549993131] [2024-11-28 05:18:04,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:04,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:18:04,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:18:04,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:18:04,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:18:04,863 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 55 [2024-11-28 05:18:04,864 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 44 transitions, 98 flow. Second operand has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 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) [2024-11-28 05:18:04,864 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:04,865 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 55 [2024-11-28 05:18:04,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:05,635 INFO L124 PetriNetUnfolderBase]: 1327/2239 cut-off events. [2024-11-28 05:18:05,635 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 05:18:05,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4209 conditions, 2239 events. 1327/2239 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 16283 event pairs, 307 based on Foata normal form. 0/2160 useless extension candidates. Maximal degree in co-relation 4203. Up to 853 conditions per place. [2024-11-28 05:18:05,652 INFO L140 encePairwiseOnDemand]: 49/55 looper letters, 27 selfloop transitions, 2 changer transitions 36/86 dead transitions. [2024-11-28 05:18:05,653 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 86 transitions, 312 flow [2024-11-28 05:18:05,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:18:05,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-28 05:18:05,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 275 transitions. [2024-11-28 05:18:05,657 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.625 [2024-11-28 05:18:05,657 INFO L175 Difference]: Start difference. First operand has 56 places, 44 transitions, 98 flow. Second operand 8 states and 275 transitions. [2024-11-28 05:18:05,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 86 transitions, 312 flow [2024-11-28 05:18:05,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 86 transitions, 311 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 05:18:05,662 INFO L231 Difference]: Finished difference. Result has 66 places, 43 transitions, 111 flow [2024-11-28 05:18:05,664 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=111, PETRI_PLACES=66, PETRI_TRANSITIONS=43} [2024-11-28 05:18:05,664 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 4 predicate places. [2024-11-28 05:18:05,665 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 43 transitions, 111 flow [2024-11-28 05:18:05,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 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) [2024-11-28 05:18:05,666 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:05,666 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] [2024-11-28 05:18:05,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:18:05,666 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 05:18:05,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:05,667 INFO L85 PathProgramCache]: Analyzing trace with hash 160872010, now seen corresponding path program 1 times [2024-11-28 05:18:05,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:05,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760829724] [2024-11-28 05:18:05,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:05,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:06,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:06,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:06,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760829724] [2024-11-28 05:18:06,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760829724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:06,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:06,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:18:06,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76345307] [2024-11-28 05:18:06,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:06,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:18:06,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:18:06,203 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:18:06,203 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:18:06,215 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 55 [2024-11-28 05:18:06,216 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 43 transitions, 111 flow. Second operand has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 states have internal predecessors, (141), 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) [2024-11-28 05:18:06,216 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:06,216 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 55 [2024-11-28 05:18:06,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:06,854 INFO L124 PetriNetUnfolderBase]: 1251/2087 cut-off events. [2024-11-28 05:18:06,854 INFO L125 PetriNetUnfolderBase]: For 408/408 co-relation queries the response was YES. [2024-11-28 05:18:06,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4379 conditions, 2087 events. 1251/2087 cut-off events. For 408/408 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 13393 event pairs, 357 based on Foata normal form. 48/2098 useless extension candidates. Maximal degree in co-relation 4367. Up to 1285 conditions per place. [2024-11-28 05:18:06,875 INFO L140 encePairwiseOnDemand]: 50/55 looper letters, 32 selfloop transitions, 2 changer transitions 25/79 dead transitions. [2024-11-28 05:18:06,875 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 79 transitions, 316 flow [2024-11-28 05:18:06,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:18:06,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 05:18:06,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 236 transitions. [2024-11-28 05:18:06,878 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.612987012987013 [2024-11-28 05:18:06,878 INFO L175 Difference]: Start difference. First operand has 66 places, 43 transitions, 111 flow. Second operand 7 states and 236 transitions. [2024-11-28 05:18:06,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 79 transitions, 316 flow [2024-11-28 05:18:06,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 79 transitions, 294 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-28 05:18:06,897 INFO L231 Difference]: Finished difference. Result has 65 places, 43 transitions, 115 flow [2024-11-28 05:18:06,897 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=99, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=115, PETRI_PLACES=65, PETRI_TRANSITIONS=43} [2024-11-28 05:18:06,898 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 3 predicate places. [2024-11-28 05:18:06,898 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 43 transitions, 115 flow [2024-11-28 05:18:06,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 states have internal predecessors, (141), 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) [2024-11-28 05:18:06,898 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:06,899 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] [2024-11-28 05:18:06,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:18:06,899 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 05:18:06,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:06,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1248855652, now seen corresponding path program 1 times [2024-11-28 05:18:06,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:06,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211331570] [2024-11-28 05:18:06,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:06,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:07,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:07,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:07,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211331570] [2024-11-28 05:18:07,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211331570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:07,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:07,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:18:07,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972174857] [2024-11-28 05:18:07,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:07,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:18:07,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:18:07,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:18:07,285 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:18:07,306 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 55 [2024-11-28 05:18:07,306 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 43 transitions, 115 flow. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 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) [2024-11-28 05:18:07,306 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:07,307 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 55 [2024-11-28 05:18:07,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:08,581 INFO L124 PetriNetUnfolderBase]: 4223/6312 cut-off events. [2024-11-28 05:18:08,582 INFO L125 PetriNetUnfolderBase]: For 700/700 co-relation queries the response was YES. [2024-11-28 05:18:08,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13345 conditions, 6312 events. 4223/6312 cut-off events. For 700/700 co-relation queries the response was YES. Maximal size of possible extension queue 413. Compared 41156 event pairs, 603 based on Foata normal form. 216/6515 useless extension candidates. Maximal degree in co-relation 13332. Up to 3483 conditions per place. [2024-11-28 05:18:08,643 INFO L140 encePairwiseOnDemand]: 48/55 looper letters, 47 selfloop transitions, 6 changer transitions 1/71 dead transitions. [2024-11-28 05:18:08,643 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 71 transitions, 287 flow [2024-11-28 05:18:08,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:18:08,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 05:18:08,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 148 transitions. [2024-11-28 05:18:08,645 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6727272727272727 [2024-11-28 05:18:08,646 INFO L175 Difference]: Start difference. First operand has 65 places, 43 transitions, 115 flow. Second operand 4 states and 148 transitions. [2024-11-28 05:18:08,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 71 transitions, 287 flow [2024-11-28 05:18:08,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 71 transitions, 275 flow, removed 4 selfloop flow, removed 6 redundant places. [2024-11-28 05:18:08,687 INFO L231 Difference]: Finished difference. Result has 60 places, 47 transitions, 145 flow [2024-11-28 05:18:08,687 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=145, PETRI_PLACES=60, PETRI_TRANSITIONS=47} [2024-11-28 05:18:08,688 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, -2 predicate places. [2024-11-28 05:18:08,688 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 47 transitions, 145 flow [2024-11-28 05:18:08,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 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) [2024-11-28 05:18:08,689 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:08,689 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] [2024-11-28 05:18:08,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 05:18:08,689 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 05:18:08,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:08,690 INFO L85 PathProgramCache]: Analyzing trace with hash 2043278659, now seen corresponding path program 1 times [2024-11-28 05:18:08,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:08,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142887519] [2024-11-28 05:18:08,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:08,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:09,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:09,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:09,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142887519] [2024-11-28 05:18:09,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142887519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:09,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:09,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:18:09,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721772899] [2024-11-28 05:18:09,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:09,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:18:09,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:18:09,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:18:09,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:18:09,219 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 55 [2024-11-28 05:18:09,219 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 47 transitions, 145 flow. Second operand has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 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) [2024-11-28 05:18:09,220 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:09,220 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 55 [2024-11-28 05:18:09,220 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:10,287 INFO L124 PetriNetUnfolderBase]: 3605/5432 cut-off events. [2024-11-28 05:18:10,288 INFO L125 PetriNetUnfolderBase]: For 1664/1664 co-relation queries the response was YES. [2024-11-28 05:18:10,304 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13172 conditions, 5432 events. 3605/5432 cut-off events. For 1664/1664 co-relation queries the response was YES. Maximal size of possible extension queue 341. Compared 34058 event pairs, 213 based on Foata normal form. 208/5627 useless extension candidates. Maximal degree in co-relation 13161. Up to 2673 conditions per place. [2024-11-28 05:18:10,324 INFO L140 encePairwiseOnDemand]: 48/55 looper letters, 60 selfloop transitions, 10 changer transitions 1/88 dead transitions. [2024-11-28 05:18:10,325 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 88 transitions, 401 flow [2024-11-28 05:18:10,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:18:10,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 05:18:10,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 188 transitions. [2024-11-28 05:18:10,326 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6836363636363636 [2024-11-28 05:18:10,326 INFO L175 Difference]: Start difference. First operand has 60 places, 47 transitions, 145 flow. Second operand 5 states and 188 transitions. [2024-11-28 05:18:10,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 88 transitions, 401 flow [2024-11-28 05:18:10,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 88 transitions, 390 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-28 05:18:10,330 INFO L231 Difference]: Finished difference. Result has 64 places, 51 transitions, 197 flow [2024-11-28 05:18:10,330 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=197, PETRI_PLACES=64, PETRI_TRANSITIONS=51} [2024-11-28 05:18:10,331 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 2 predicate places. [2024-11-28 05:18:10,331 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 51 transitions, 197 flow [2024-11-28 05:18:10,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 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) [2024-11-28 05:18:10,332 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:10,332 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] [2024-11-28 05:18:10,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 05:18:10,332 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 05:18:10,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:10,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1705063832, now seen corresponding path program 1 times [2024-11-28 05:18:10,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:10,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632902642] [2024-11-28 05:18:10,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:10,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:10,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:10,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:10,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632902642] [2024-11-28 05:18:10,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632902642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:10,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:10,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:18:10,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485876090] [2024-11-28 05:18:10,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:10,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:18:10,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:18:10,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:18:10,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:18:10,989 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 55 [2024-11-28 05:18:10,992 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 51 transitions, 197 flow. Second operand has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 6 states have internal predecessors, (158), 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) [2024-11-28 05:18:10,992 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:10,992 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 55 [2024-11-28 05:18:10,992 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:11,941 INFO L124 PetriNetUnfolderBase]: 2467/3738 cut-off events. [2024-11-28 05:18:11,941 INFO L125 PetriNetUnfolderBase]: For 3182/3182 co-relation queries the response was YES. [2024-11-28 05:18:11,956 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10132 conditions, 3738 events. 2467/3738 cut-off events. For 3182/3182 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 20827 event pairs, 81 based on Foata normal form. 164/3889 useless extension candidates. Maximal degree in co-relation 10119. Up to 1249 conditions per place. [2024-11-28 05:18:11,975 INFO L140 encePairwiseOnDemand]: 48/55 looper letters, 71 selfloop transitions, 14 changer transitions 1/103 dead transitions. [2024-11-28 05:18:11,975 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 103 transitions, 525 flow [2024-11-28 05:18:11,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:18:11,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 05:18:11,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 226 transitions. [2024-11-28 05:18:11,978 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6848484848484848 [2024-11-28 05:18:11,978 INFO L175 Difference]: Start difference. First operand has 64 places, 51 transitions, 197 flow. Second operand 6 states and 226 transitions. [2024-11-28 05:18:11,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 103 transitions, 525 flow [2024-11-28 05:18:11,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 103 transitions, 495 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-28 05:18:11,988 INFO L231 Difference]: Finished difference. Result has 67 places, 55 transitions, 247 flow [2024-11-28 05:18:11,989 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=247, PETRI_PLACES=67, PETRI_TRANSITIONS=55} [2024-11-28 05:18:11,990 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 5 predicate places. [2024-11-28 05:18:11,991 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 55 transitions, 247 flow [2024-11-28 05:18:11,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 6 states have internal predecessors, (158), 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) [2024-11-28 05:18:11,991 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:11,992 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:11,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 05:18:11,992 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 05:18:11,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:11,993 INFO L85 PathProgramCache]: Analyzing trace with hash 381069913, now seen corresponding path program 1 times [2024-11-28 05:18:11,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:11,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800505592] [2024-11-28 05:18:11,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:11,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:12,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:12,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:12,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800505592] [2024-11-28 05:18:12,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800505592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:12,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:12,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:18:12,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091658340] [2024-11-28 05:18:12,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:12,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:18:12,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:18:12,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:18:12,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:18:12,718 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 55 [2024-11-28 05:18:12,719 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 55 transitions, 247 flow. Second operand has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 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) [2024-11-28 05:18:12,719 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:12,719 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 55 [2024-11-28 05:18:12,719 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:14,195 INFO L124 PetriNetUnfolderBase]: 5174/8459 cut-off events. [2024-11-28 05:18:14,195 INFO L125 PetriNetUnfolderBase]: For 4572/5018 co-relation queries the response was YES. [2024-11-28 05:18:14,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20428 conditions, 8459 events. 5174/8459 cut-off events. For 4572/5018 co-relation queries the response was YES. Maximal size of possible extension queue 331. Compared 55140 event pairs, 1782 based on Foata normal form. 222/8372 useless extension candidates. Maximal degree in co-relation 20414. Up to 4355 conditions per place. [2024-11-28 05:18:14,359 INFO L140 encePairwiseOnDemand]: 44/55 looper letters, 69 selfloop transitions, 12 changer transitions 27/136 dead transitions. [2024-11-28 05:18:14,360 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 136 transitions, 671 flow [2024-11-28 05:18:14,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 05:18:14,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-28 05:18:14,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 299 transitions. [2024-11-28 05:18:14,362 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.604040404040404 [2024-11-28 05:18:14,362 INFO L175 Difference]: Start difference. First operand has 67 places, 55 transitions, 247 flow. Second operand 9 states and 299 transitions. [2024-11-28 05:18:14,362 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 136 transitions, 671 flow [2024-11-28 05:18:14,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 136 transitions, 624 flow, removed 11 selfloop flow, removed 5 redundant places. [2024-11-28 05:18:14,400 INFO L231 Difference]: Finished difference. Result has 77 places, 65 transitions, 311 flow [2024-11-28 05:18:14,400 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=311, PETRI_PLACES=77, PETRI_TRANSITIONS=65} [2024-11-28 05:18:14,403 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 15 predicate places. [2024-11-28 05:18:14,404 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 65 transitions, 311 flow [2024-11-28 05:18:14,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 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) [2024-11-28 05:18:14,404 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:14,404 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:14,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 05:18:14,404 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 05:18:14,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:14,405 INFO L85 PathProgramCache]: Analyzing trace with hash -2123344887, now seen corresponding path program 2 times [2024-11-28 05:18:14,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:14,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349191232] [2024-11-28 05:18:14,405 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:18:14,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:14,457 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 05:18:14,458 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:18:14,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:14,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:14,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349191232] [2024-11-28 05:18:14,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349191232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:14,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:14,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:18:14,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337923676] [2024-11-28 05:18:14,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:14,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:18:14,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:18:14,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:18:14,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:18:14,856 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 55 [2024-11-28 05:18:14,857 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 65 transitions, 311 flow. Second operand has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 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) [2024-11-28 05:18:14,857 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:14,857 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 55 [2024-11-28 05:18:14,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:16,362 INFO L124 PetriNetUnfolderBase]: 5110/8809 cut-off events. [2024-11-28 05:18:16,363 INFO L125 PetriNetUnfolderBase]: For 8154/8586 co-relation queries the response was YES. [2024-11-28 05:18:16,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24024 conditions, 8809 events. 5110/8809 cut-off events. For 8154/8586 co-relation queries the response was YES. Maximal size of possible extension queue 396. Compared 63640 event pairs, 1764 based on Foata normal form. 232/8493 useless extension candidates. Maximal degree in co-relation 24004. Up to 2843 conditions per place. [2024-11-28 05:18:16,465 INFO L140 encePairwiseOnDemand]: 50/55 looper letters, 56 selfloop transitions, 3 changer transitions 14/109 dead transitions. [2024-11-28 05:18:16,465 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 109 transitions, 624 flow [2024-11-28 05:18:16,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:18:16,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 05:18:16,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 214 transitions. [2024-11-28 05:18:16,469 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6484848484848484 [2024-11-28 05:18:16,469 INFO L175 Difference]: Start difference. First operand has 77 places, 65 transitions, 311 flow. Second operand 6 states and 214 transitions. [2024-11-28 05:18:16,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 109 transitions, 624 flow [2024-11-28 05:18:16,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 109 transitions, 610 flow, removed 7 selfloop flow, removed 2 redundant places. [2024-11-28 05:18:16,512 INFO L231 Difference]: Finished difference. Result has 79 places, 65 transitions, 320 flow [2024-11-28 05:18:16,514 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=307, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=320, PETRI_PLACES=79, PETRI_TRANSITIONS=65} [2024-11-28 05:18:16,515 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 17 predicate places. [2024-11-28 05:18:16,515 INFO L471 AbstractCegarLoop]: Abstraction has has 79 places, 65 transitions, 320 flow [2024-11-28 05:18:16,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 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) [2024-11-28 05:18:16,515 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:16,516 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:16,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 05:18:16,516 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 05:18:16,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:16,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1632880507, now seen corresponding path program 3 times [2024-11-28 05:18:16,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:16,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128956080] [2024-11-28 05:18:16,517 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:18:16,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:16,628 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 05:18:16,628 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:18:17,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:17,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:17,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128956080] [2024-11-28 05:18:17,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128956080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:17,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:17,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:18:17,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617910567] [2024-11-28 05:18:17,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:17,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:18:17,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:18:17,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:18:17,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:18:17,019 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 55 [2024-11-28 05:18:17,019 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 65 transitions, 320 flow. Second operand has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 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) [2024-11-28 05:18:17,019 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:17,020 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 55 [2024-11-28 05:18:17,020 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:18,449 INFO L124 PetriNetUnfolderBase]: 5813/8712 cut-off events. [2024-11-28 05:18:18,449 INFO L125 PetriNetUnfolderBase]: For 10597/11691 co-relation queries the response was YES. [2024-11-28 05:18:18,500 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25777 conditions, 8712 events. 5813/8712 cut-off events. For 10597/11691 co-relation queries the response was YES. Maximal size of possible extension queue 429. Compared 52627 event pairs, 336 based on Foata normal form. 423/8840 useless extension candidates. Maximal degree in co-relation 25755. Up to 2780 conditions per place. [2024-11-28 05:18:18,517 INFO L140 encePairwiseOnDemand]: 48/55 looper letters, 62 selfloop transitions, 18 changer transitions 10/113 dead transitions. [2024-11-28 05:18:18,517 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 113 transitions, 652 flow [2024-11-28 05:18:18,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:18:18,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 05:18:18,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 246 transitions. [2024-11-28 05:18:18,519 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.638961038961039 [2024-11-28 05:18:18,520 INFO L175 Difference]: Start difference. First operand has 79 places, 65 transitions, 320 flow. Second operand 7 states and 246 transitions. [2024-11-28 05:18:18,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 113 transitions, 652 flow [2024-11-28 05:18:18,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 113 transitions, 627 flow, removed 6 selfloop flow, removed 5 redundant places. [2024-11-28 05:18:18,612 INFO L231 Difference]: Finished difference. Result has 80 places, 63 transitions, 335 flow [2024-11-28 05:18:18,612 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=335, PETRI_PLACES=80, PETRI_TRANSITIONS=63} [2024-11-28 05:18:18,613 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 18 predicate places. [2024-11-28 05:18:18,613 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 63 transitions, 335 flow [2024-11-28 05:18:18,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 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) [2024-11-28 05:18:18,613 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:18,614 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:18,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 05:18:18,614 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 05:18:18,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:18,616 INFO L85 PathProgramCache]: Analyzing trace with hash 385672050, now seen corresponding path program 1 times [2024-11-28 05:18:18,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:18,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074989633] [2024-11-28 05:18:18,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:18,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:19,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:19,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:19,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074989633] [2024-11-28 05:18:19,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074989633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:19,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:19,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:18:19,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953534664] [2024-11-28 05:18:19,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:19,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:18:19,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:18:19,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:18:19,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:18:19,028 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 55 [2024-11-28 05:18:19,028 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 63 transitions, 335 flow. Second operand has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 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) [2024-11-28 05:18:19,029 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:19,029 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 55 [2024-11-28 05:18:19,029 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:20,113 INFO L124 PetriNetUnfolderBase]: 3517/6357 cut-off events. [2024-11-28 05:18:20,113 INFO L125 PetriNetUnfolderBase]: For 8069/8408 co-relation queries the response was YES. [2024-11-28 05:18:20,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18276 conditions, 6357 events. 3517/6357 cut-off events. For 8069/8408 co-relation queries the response was YES. Maximal size of possible extension queue 370. Compared 47024 event pairs, 998 based on Foata normal form. 37/5929 useless extension candidates. Maximal degree in co-relation 18255. Up to 2164 conditions per place. [2024-11-28 05:18:20,171 INFO L140 encePairwiseOnDemand]: 50/55 looper letters, 44 selfloop transitions, 2 changer transitions 20/103 dead transitions. [2024-11-28 05:18:20,171 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 103 transitions, 602 flow [2024-11-28 05:18:20,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:18:20,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 05:18:20,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 207 transitions. [2024-11-28 05:18:20,173 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6272727272727273 [2024-11-28 05:18:20,173 INFO L175 Difference]: Start difference. First operand has 80 places, 63 transitions, 335 flow. Second operand 6 states and 207 transitions. [2024-11-28 05:18:20,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 103 transitions, 602 flow [2024-11-28 05:18:20,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 103 transitions, 523 flow, removed 28 selfloop flow, removed 7 redundant places. [2024-11-28 05:18:20,257 INFO L231 Difference]: Finished difference. Result has 81 places, 63 transitions, 285 flow [2024-11-28 05:18:20,257 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=285, PETRI_PLACES=81, PETRI_TRANSITIONS=63} [2024-11-28 05:18:20,258 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 19 predicate places. [2024-11-28 05:18:20,258 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 63 transitions, 285 flow [2024-11-28 05:18:20,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 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) [2024-11-28 05:18:20,259 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:20,259 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:20,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 05:18:20,259 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 05:18:20,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:20,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1571977378, now seen corresponding path program 2 times [2024-11-28 05:18:20,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:20,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825172209] [2024-11-28 05:18:20,260 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:18:20,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:20,297 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 05:18:20,297 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:18:20,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:20,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:20,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825172209] [2024-11-28 05:18:20,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825172209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:20,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:20,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:18:20,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291351935] [2024-11-28 05:18:20,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:20,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:18:20,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:18:20,615 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:18:20,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:18:20,638 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 55 [2024-11-28 05:18:20,640 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 63 transitions, 285 flow. Second operand has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 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) [2024-11-28 05:18:20,640 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:20,640 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 55 [2024-11-28 05:18:20,640 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:21,816 INFO L124 PetriNetUnfolderBase]: 5059/9199 cut-off events. [2024-11-28 05:18:21,820 INFO L125 PetriNetUnfolderBase]: For 5408/5649 co-relation queries the response was YES. [2024-11-28 05:18:21,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23387 conditions, 9199 events. 5059/9199 cut-off events. For 5408/5649 co-relation queries the response was YES. Maximal size of possible extension queue 601. Compared 74078 event pairs, 1372 based on Foata normal form. 47/8490 useless extension candidates. Maximal degree in co-relation 23366. Up to 2883 conditions per place. [2024-11-28 05:18:21,899 INFO L140 encePairwiseOnDemand]: 50/55 looper letters, 38 selfloop transitions, 2 changer transitions 23/99 dead transitions. [2024-11-28 05:18:21,899 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 99 transitions, 525 flow [2024-11-28 05:18:21,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:18:21,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 05:18:21,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 202 transitions. [2024-11-28 05:18:21,901 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6121212121212121 [2024-11-28 05:18:21,901 INFO L175 Difference]: Start difference. First operand has 81 places, 63 transitions, 285 flow. Second operand 6 states and 202 transitions. [2024-11-28 05:18:21,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 99 transitions, 525 flow [2024-11-28 05:18:22,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 99 transitions, 485 flow, removed 9 selfloop flow, removed 6 redundant places. [2024-11-28 05:18:22,044 INFO L231 Difference]: Finished difference. Result has 82 places, 62 transitions, 263 flow [2024-11-28 05:18:22,044 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=253, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=263, PETRI_PLACES=82, PETRI_TRANSITIONS=62} [2024-11-28 05:18:22,045 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 20 predicate places. [2024-11-28 05:18:22,045 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 62 transitions, 263 flow [2024-11-28 05:18:22,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 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) [2024-11-28 05:18:22,045 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:22,046 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:22,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 05:18:22,046 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 05:18:22,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:22,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1647925122, now seen corresponding path program 3 times [2024-11-28 05:18:22,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:22,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806340871] [2024-11-28 05:18:22,047 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:18:22,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:22,106 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 05:18:22,107 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:18:24,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:24,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:18:24,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806340871] [2024-11-28 05:18:24,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806340871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:24,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:24,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 05:18:24,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620725008] [2024-11-28 05:18:24,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:24,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:18:24,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:18:24,353 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:18:24,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:18:24,368 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 55 [2024-11-28 05:18:24,368 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 62 transitions, 263 flow. Second operand has 9 states, 9 states have (on average 28.0) internal successors, (252), 9 states have internal predecessors, (252), 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) [2024-11-28 05:18:24,368 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:24,368 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 55 [2024-11-28 05:18:24,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:25,741 INFO L124 PetriNetUnfolderBase]: 4772/8656 cut-off events. [2024-11-28 05:18:25,741 INFO L125 PetriNetUnfolderBase]: For 3366/3665 co-relation queries the response was YES. [2024-11-28 05:18:25,799 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20060 conditions, 8656 events. 4772/8656 cut-off events. For 3366/3665 co-relation queries the response was YES. Maximal size of possible extension queue 559. Compared 68992 event pairs, 1795 based on Foata normal form. 56/7780 useless extension candidates. Maximal degree in co-relation 20040. Up to 3014 conditions per place. [2024-11-28 05:18:25,819 INFO L140 encePairwiseOnDemand]: 46/55 looper letters, 40 selfloop transitions, 11 changer transitions 16/106 dead transitions. [2024-11-28 05:18:25,819 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 106 transitions, 511 flow [2024-11-28 05:18:25,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 05:18:25,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-28 05:18:25,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 327 transitions. [2024-11-28 05:18:25,822 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5945454545454546 [2024-11-28 05:18:25,822 INFO L175 Difference]: Start difference. First operand has 82 places, 62 transitions, 263 flow. Second operand 10 states and 327 transitions. [2024-11-28 05:18:25,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 106 transitions, 511 flow [2024-11-28 05:18:25,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 106 transitions, 504 flow, removed 3 selfloop flow, removed 3 redundant places. [2024-11-28 05:18:25,890 INFO L231 Difference]: Finished difference. Result has 91 places, 69 transitions, 327 flow [2024-11-28 05:18:25,890 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=258, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=327, PETRI_PLACES=91, PETRI_TRANSITIONS=69} [2024-11-28 05:18:25,891 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 29 predicate places. [2024-11-28 05:18:25,891 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 69 transitions, 327 flow [2024-11-28 05:18:25,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 28.0) internal successors, (252), 9 states have internal predecessors, (252), 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) [2024-11-28 05:18:25,892 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:25,892 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:25,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 05:18:25,893 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 05:18:25,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:25,893 INFO L85 PathProgramCache]: Analyzing trace with hash 342966440, now seen corresponding path program 4 times [2024-11-28 05:18:25,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:18:25,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226634711] [2024-11-28 05:18:25,894 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 05:18:25,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:18:26,007 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 05:18:26,007 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-28 05:18:26,007 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:18:26,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:18:26,150 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 05:18:26,150 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 05:18:26,151 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (7 of 8 remaining) [2024-11-28 05:18:26,155 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONMEMORY_LEAK (6 of 8 remaining) [2024-11-28 05:18:26,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (5 of 8 remaining) [2024-11-28 05:18:26,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2024-11-28 05:18:26,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-11-28 05:18:26,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining) [2024-11-28 05:18:26,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-11-28 05:18:26,156 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 8 remaining) [2024-11-28 05:18:26,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 05:18:26,157 INFO L422 BasicCegarLoop]: Path program histogram: [4, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:26,304 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 05:18:26,304 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:18:26,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:18:26 BasicIcfg [2024-11-28 05:18:26,313 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:18:26,314 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:18:26,314 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:18:26,314 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:18:26,315 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:18:01" (3/4) ... [2024-11-28 05:18:26,317 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 05:18:26,320 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:18:26,321 INFO L158 Benchmark]: Toolchain (without parser) took 27045.18ms. Allocated memory was 142.6MB in the beginning and 830.5MB in the end (delta: 687.9MB). Free memory was 104.1MB in the beginning and 487.2MB in the end (delta: -383.1MB). Peak memory consumption was 304.6MB. Max. memory is 16.1GB. [2024-11-28 05:18:26,322 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:18:26,322 INFO L158 Benchmark]: CACSL2BoogieTranslator took 682.27ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 79.6MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 05:18:26,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.53ms. Allocated memory is still 142.6MB. Free memory was 79.6MB in the beginning and 77.0MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:18:26,323 INFO L158 Benchmark]: Boogie Preprocessor took 75.27ms. Allocated memory is still 142.6MB. Free memory was 77.0MB in the beginning and 73.4MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:18:26,324 INFO L158 Benchmark]: RCFGBuilder took 1278.42ms. Allocated memory is still 142.6MB. Free memory was 73.4MB in the beginning and 84.0MB in the end (delta: -10.6MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2024-11-28 05:18:26,324 INFO L158 Benchmark]: TraceAbstraction took 24902.44ms. Allocated memory was 142.6MB in the beginning and 830.5MB in the end (delta: 687.9MB). Free memory was 83.4MB in the beginning and 487.3MB in the end (delta: -404.0MB). Peak memory consumption was 281.0MB. Max. memory is 16.1GB. [2024-11-28 05:18:26,325 INFO L158 Benchmark]: Witness Printer took 5.93ms. Allocated memory is still 830.5MB. Free memory was 487.3MB in the beginning and 487.2MB in the end (delta: 161.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:18:26,328 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 682.27ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 79.6MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.53ms. Allocated memory is still 142.6MB. Free memory was 79.6MB in the beginning and 77.0MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 75.27ms. Allocated memory is still 142.6MB. Free memory was 77.0MB in the beginning and 73.4MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1278.42ms. Allocated memory is still 142.6MB. Free memory was 73.4MB in the beginning and 84.0MB in the end (delta: -10.6MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. * TraceAbstraction took 24902.44ms. Allocated memory was 142.6MB in the beginning and 830.5MB in the end (delta: 687.9MB). Free memory was 83.4MB in the beginning and 487.3MB in the end (delta: -404.0MB). Peak memory consumption was 281.0MB. Max. memory is 16.1GB. * Witness Printer took 5.93ms. Allocated memory is still 830.5MB. Free memory was 487.3MB in the beginning and 487.2MB in the end (delta: 161.9kB). 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: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L716] 0 int __unbuffered_p2_EAX = 0; [L718] 0 int __unbuffered_p2_EBX = 0; [L720] 0 int __unbuffered_p3_EAX = 0; [L722] 0 int __unbuffered_p3_EBX = 0; [L724] 0 int a = 0; [L725] 0 _Bool main$tmp_guard0; [L726] 0 _Bool main$tmp_guard1; [L728] 0 int x = 0; [L730] 0 int y = 0; [L732] 0 int z = 0; [L733] 0 _Bool z$flush_delayed; [L734] 0 int z$mem_tmp; [L735] 0 _Bool z$r_buff0_thd0; [L736] 0 _Bool z$r_buff0_thd1; [L737] 0 _Bool z$r_buff0_thd2; [L738] 0 _Bool z$r_buff0_thd3; [L739] 0 _Bool z$r_buff0_thd4; [L740] 0 _Bool z$r_buff1_thd0; [L741] 0 _Bool z$r_buff1_thd1; [L742] 0 _Bool z$r_buff1_thd2; [L743] 0 _Bool z$r_buff1_thd3; [L744] 0 _Bool z$r_buff1_thd4; [L745] 0 _Bool z$read_delayed; [L746] 0 int *z$read_delayed_var; [L747] 0 int z$w_buff0; [L748] 0 _Bool z$w_buff0_used; [L749] 0 int z$w_buff1; [L750] 0 _Bool z$w_buff1_used; [L751] 0 _Bool weak$$choice0; [L752] 0 _Bool weak$$choice2; [L871] 0 pthread_t t93; [L872] FCALL, FORK 0 pthread_create(&t93, ((void *)0), P0, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t93=-1, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L873] 0 pthread_t t94; [L874] FCALL, FORK 0 pthread_create(&t94, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t93=-1, t94=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L875] 0 pthread_t t95; [L876] FCALL, FORK 0 pthread_create(&t95, ((void *)0), P2, ((void *)0)) 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_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t93=-1, t94=0, t95=1, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L877] 0 pthread_t t96; [L878] FCALL, FORK 0 pthread_create(&t96, ((void *)0), P3, ((void *)0)) 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_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t93=-1, t94=0, t95=1, t96=2, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L817] 4 z$w_buff1 = z$w_buff0 [L818] 4 z$w_buff0 = 1 [L819] 4 z$w_buff1_used = z$w_buff0_used [L820] 4 z$w_buff0_used = (_Bool)1 [L821] CALL 4 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L18] COND FALSE 4 !(!expression) [L821] RET 4 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L822] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L823] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L824] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L825] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L826] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L827] 4 z$r_buff0_thd4 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L830] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L831] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L832] 4 z$flush_delayed = weak$$choice2 [L833] 4 z$mem_tmp = z [L834] 4 z = !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L835] 4 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L836] 4 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L837] 4 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L838] 4 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L839] 4 z$r_buff0_thd4 = weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L840] 4 z$r_buff1_thd4 = weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L841] 4 __unbuffered_p3_EAX = z [L842] 4 z = z$flush_delayed ? z$mem_tmp : z [L843] 4 z$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L846] 4 __unbuffered_p3_EBX = a VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L756] 1 a = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L759] 1 __unbuffered_p0_EAX = x VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L771] 2 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L774] 2 __unbuffered_p1_EAX = y VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L786] 3 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L789] 3 __unbuffered_p2_EAX = y VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L792] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L793] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L794] 3 z$flush_delayed = weak$$choice2 [L795] 3 z$mem_tmp = z [L796] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L797] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L798] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L799] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L800] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L801] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L802] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L803] 3 __unbuffered_p2_EBX = z [L804] 3 z = z$flush_delayed ? z$mem_tmp : z [L805] 3 z$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=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L810] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L764] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L779] 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=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L849] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L850] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L851] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L852] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L853] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L856] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L880] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t93=-1, t94=0, t95=1, t96=2, weak$$choice0=1, weak$$choice2=0, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L882] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L882] RET 0 assume_abort_if_not(main$tmp_guard0) [L884] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L885] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L886] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L887] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L888] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t93=-1, t94=0, t95=1, t96=2, weak$$choice0=1, weak$$choice2=0, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L891] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t93=-1, t94=0, t95=1, t96=2, weak$$choice0=1, weak$$choice2=0, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L893] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L17] 0 __assert_fail ("0", "mix004.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] - 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: 869]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 876]: 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: 872]: 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: 874]: 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: 878]: 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 9 procedures, 89 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 24.6s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 15.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 695 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 655 mSDsluCounter, 118 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 87 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1891 IncrementalHoareTripleChecker+Invalid, 1928 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 31 mSDtfsCounter, 1891 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 98 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=335occurred in iteration=10, InterpolantAutomatonStates: 80, 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: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 7.0s InterpolantComputationTime, 400 NumberOfCodeBlocks, 400 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 348 ConstructedInterpolants, 0 QuantifiedInterpolants, 1692 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 05:18:26,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/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 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_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/mix004.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB --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 89021de777f0aa5756284679b7b3bd19ab661d8d626f08ad7f7db0bc955b507d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:18:29,251 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:18:29,370 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-28 05:18:29,381 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:18:29,385 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:18:29,440 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:18:29,441 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:18:29,442 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:18:29,442 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:18:29,443 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:18:29,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:18:29,444 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:18:29,444 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:18:29,445 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:18:29,445 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:18:29,445 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:18:29,446 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:18:29,446 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:18:29,446 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:18:29,446 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:18:29,447 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 05:18:29,447 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 05:18:29,447 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 05:18:29,447 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:18:29,447 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 05:18:29,448 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 05:18:29,448 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 05:18:29,448 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 05:18:29,448 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:18:29,448 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:18:29,448 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:18:29,449 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:18:29,449 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:18:29,449 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:18:29,450 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:18:29,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:18:29,450 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:18:29,450 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:18:29,450 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:18:29,451 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:18:29,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:18:29,451 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:18:29,452 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:18:29,452 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 05:18:29,452 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 05:18:29,452 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:18:29,453 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:18:29,453 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:18:29,453 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:18:29,453 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_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 89021de777f0aa5756284679b7b3bd19ab661d8d626f08ad7f7db0bc955b507d [2024-11-28 05:18:29,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:18:29,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:18:29,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:18:29,807 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:18:29,807 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:18:29,809 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-wmm/mix004.opt.i [2024-11-28 05:18:33,027 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/data/2d5b57577/9bd963db65ea456e88026f43fcf81f2a/FLAGc610c475e [2024-11-28 05:18:33,420 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:18:33,423 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/sv-benchmarks/c/pthread-wmm/mix004.opt.i [2024-11-28 05:18:33,451 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/data/2d5b57577/9bd963db65ea456e88026f43fcf81f2a/FLAGc610c475e [2024-11-28 05:18:33,478 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/data/2d5b57577/9bd963db65ea456e88026f43fcf81f2a [2024-11-28 05:18:33,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:18:33,482 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:18:33,485 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:18:33,486 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:18:33,491 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:18:33,492 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:18:33" (1/1) ... [2024-11-28 05:18:33,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b4d7bee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:33, skipping insertion in model container [2024-11-28 05:18:33,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:18:33" (1/1) ... [2024-11-28 05:18:33,560 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:18:34,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:18:34,099 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:18:34,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:18:34,241 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:18:34,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:34 WrapperNode [2024-11-28 05:18:34,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:18:34,244 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:18:34,244 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:18:34,244 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:18:34,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:34" (1/1) ... [2024-11-28 05:18:34,274 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:34" (1/1) ... [2024-11-28 05:18:34,318 INFO L138 Inliner]: procedures = 177, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 157 [2024-11-28 05:18:34,318 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:18:34,319 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:18:34,319 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:18:34,319 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:18:34,328 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:34" (1/1) ... [2024-11-28 05:18:34,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:34" (1/1) ... [2024-11-28 05:18:34,339 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:34" (1/1) ... [2024-11-28 05:18:34,362 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]. [2024-11-28 05:18:34,362 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:34" (1/1) ... [2024-11-28 05:18:34,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:34" (1/1) ... [2024-11-28 05:18:34,374 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:34" (1/1) ... [2024-11-28 05:18:34,375 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:34" (1/1) ... [2024-11-28 05:18:34,377 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:34" (1/1) ... [2024-11-28 05:18:34,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:34" (1/1) ... [2024-11-28 05:18:34,381 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:34" (1/1) ... [2024-11-28 05:18:34,385 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:18:34,386 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:18:34,386 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:18:34,386 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:18:34,387 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:34" (1/1) ... [2024-11-28 05:18:34,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:18:34,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:34,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:18:34,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:18:34,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 05:18:34,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:18:34,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 05:18:34,471 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-28 05:18:34,471 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-28 05:18:34,471 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-28 05:18:34,472 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-28 05:18:34,472 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-28 05:18:34,472 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-28 05:18:34,472 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-28 05:18:34,472 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-28 05:18:34,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 05:18:34,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:18:34,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:18:34,474 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 05:18:34,660 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:18:34,663 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:18:35,164 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 05:18:35,164 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:18:35,558 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:18:35,559 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 05:18:35,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:18:35 BoogieIcfgContainer [2024-11-28 05:18:35,559 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:18:35,562 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:18:35,563 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:18:35,569 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:18:35,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:18:33" (1/3) ... [2024-11-28 05:18:35,571 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a5f23dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:18:35, skipping insertion in model container [2024-11-28 05:18:35,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:18:34" (2/3) ... [2024-11-28 05:18:35,571 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a5f23dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:18:35, skipping insertion in model container [2024-11-28 05:18:35,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:18:35" (3/3) ... [2024-11-28 05:18:35,573 INFO L128 eAbstractionObserver]: Analyzing ICFG mix004.opt.i [2024-11-28 05:18:35,595 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:18:35,597 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix004.opt.i that has 5 procedures, 54 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-11-28 05:18:35,597 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 05:18:35,705 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 05:18:35,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 66 places, 55 transitions, 126 flow [2024-11-28 05:18:35,825 INFO L124 PetriNetUnfolderBase]: 2/51 cut-off events. [2024-11-28 05:18:35,828 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 05:18:35,832 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 51 events. 2/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 105 event pairs, 0 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2024-11-28 05:18:35,832 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 55 transitions, 126 flow [2024-11-28 05:18:35,837 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 62 places, 51 transitions, 114 flow [2024-11-28 05:18:35,846 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:18:35,865 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;@1e48f421, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:18:35,866 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-28 05:18:35,886 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 05:18:35,887 INFO L124 PetriNetUnfolderBase]: 0/26 cut-off events. [2024-11-28 05:18:35,887 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 05:18:35,887 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:35,888 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:35,889 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P3Err0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 05:18:35,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:35,896 INFO L85 PathProgramCache]: Analyzing trace with hash 12604335, now seen corresponding path program 1 times [2024-11-28 05:18:35,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:18:35,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [776669534] [2024-11-28 05:18:35,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:35,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:35,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:35,919 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:18:35,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 05:18:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:36,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:18:36,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:36,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:36,210 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:18:36,211 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:18:36,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776669534] [2024-11-28 05:18:36,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776669534] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:36,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:36,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 05:18:36,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139789764] [2024-11-28 05:18:36,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:36,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:18:36,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:18:36,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:18:36,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:18:36,270 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 28 out of 55 [2024-11-28 05:18:36,274 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 51 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2024-11-28 05:18:36,276 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:36,276 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 28 of 55 [2024-11-28 05:18:36,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:37,220 INFO L124 PetriNetUnfolderBase]: 1175/2003 cut-off events. [2024-11-28 05:18:37,224 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 05:18:37,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3739 conditions, 2003 events. 1175/2003 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 14473 event pairs, 199 based on Foata normal form. 120/2079 useless extension candidates. Maximal degree in co-relation 3727. Up to 1361 conditions per place. [2024-11-28 05:18:37,263 INFO L140 encePairwiseOnDemand]: 50/55 looper letters, 30 selfloop transitions, 2 changer transitions 2/58 dead transitions. [2024-11-28 05:18:37,264 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 58 transitions, 196 flow [2024-11-28 05:18:37,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:18:37,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:18:37,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 123 transitions. [2024-11-28 05:18:37,280 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7454545454545455 [2024-11-28 05:18:37,282 INFO L175 Difference]: Start difference. First operand has 62 places, 51 transitions, 114 flow. Second operand 3 states and 123 transitions. [2024-11-28 05:18:37,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 58 transitions, 196 flow [2024-11-28 05:18:37,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 58 transitions, 192 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 05:18:37,294 INFO L231 Difference]: Finished difference. Result has 58 places, 46 transitions, 104 flow [2024-11-28 05:18:37,298 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=58, PETRI_TRANSITIONS=46} [2024-11-28 05:18:37,303 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, -4 predicate places. [2024-11-28 05:18:37,306 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 46 transitions, 104 flow [2024-11-28 05:18:37,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2024-11-28 05:18:37,306 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:37,306 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:37,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 05:18:37,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:37,511 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 05:18:37,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:37,512 INFO L85 PathProgramCache]: Analyzing trace with hash 83615929, now seen corresponding path program 1 times [2024-11-28 05:18:37,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:18:37,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [654733982] [2024-11-28 05:18:37,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:37,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:37,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:37,516 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:18:37,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 05:18:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:37,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:18:37,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:37,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:37,741 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:18:37,741 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:18:37,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654733982] [2024-11-28 05:18:37,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [654733982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:37,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:37,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 05:18:37,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725494041] [2024-11-28 05:18:37,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:37,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:18:37,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:18:37,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:18:37,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:18:37,749 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 55 [2024-11-28 05:18:37,750 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 46 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:18:37,752 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:37,752 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 55 [2024-11-28 05:18:37,752 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:38,369 INFO L124 PetriNetUnfolderBase]: 1027/1867 cut-off events. [2024-11-28 05:18:38,369 INFO L125 PetriNetUnfolderBase]: For 84/84 co-relation queries the response was YES. [2024-11-28 05:18:38,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3477 conditions, 1867 events. 1027/1867 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 13943 event pairs, 1027 based on Foata normal form. 60/1859 useless extension candidates. Maximal degree in co-relation 3467. Up to 1484 conditions per place. [2024-11-28 05:18:38,393 INFO L140 encePairwiseOnDemand]: 53/55 looper letters, 20 selfloop transitions, 1 changer transitions 1/45 dead transitions. [2024-11-28 05:18:38,394 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 45 transitions, 146 flow [2024-11-28 05:18:38,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:18:38,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:18:38,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 104 transitions. [2024-11-28 05:18:38,397 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6303030303030303 [2024-11-28 05:18:38,397 INFO L175 Difference]: Start difference. First operand has 58 places, 46 transitions, 104 flow. Second operand 3 states and 104 transitions. [2024-11-28 05:18:38,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 45 transitions, 146 flow [2024-11-28 05:18:38,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 45 transitions, 142 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 05:18:38,404 INFO L231 Difference]: Finished difference. Result has 56 places, 44 transitions, 98 flow [2024-11-28 05:18:38,404 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=98, PETRI_PLACES=56, PETRI_TRANSITIONS=44} [2024-11-28 05:18:38,406 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, -6 predicate places. [2024-11-28 05:18:38,407 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 44 transitions, 98 flow [2024-11-28 05:18:38,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:18:38,407 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:38,407 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:38,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 05:18:38,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:38,608 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 05:18:38,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:38,610 INFO L85 PathProgramCache]: Analyzing trace with hash 83617147, now seen corresponding path program 1 times [2024-11-28 05:18:38,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:18:38,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1853753424] [2024-11-28 05:18:38,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:38,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:38,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:38,616 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:18:38,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 05:18:38,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:38,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 05:18:38,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:38,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:38,810 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:18:38,810 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:18:38,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853753424] [2024-11-28 05:18:38,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1853753424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:38,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:38,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:18:38,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131571771] [2024-11-28 05:18:38,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:38,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:18:38,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:18:38,814 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:18:38,814 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:18:38,835 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 55 [2024-11-28 05:18:38,835 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 44 transitions, 98 flow. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 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) [2024-11-28 05:18:38,835 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:38,836 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 55 [2024-11-28 05:18:38,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:40,344 INFO L124 PetriNetUnfolderBase]: 4635/7272 cut-off events. [2024-11-28 05:18:40,345 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 05:18:40,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13794 conditions, 7272 events. 4635/7272 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 490. Compared 50862 event pairs, 603 based on Foata normal form. 216/7476 useless extension candidates. Maximal degree in co-relation 13788. Up to 4031 conditions per place. [2024-11-28 05:18:40,415 INFO L140 encePairwiseOnDemand]: 48/55 looper letters, 47 selfloop transitions, 6 changer transitions 1/72 dead transitions. [2024-11-28 05:18:40,415 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 72 transitions, 268 flow [2024-11-28 05:18:40,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:18:40,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 05:18:40,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 148 transitions. [2024-11-28 05:18:40,419 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6727272727272727 [2024-11-28 05:18:40,419 INFO L175 Difference]: Start difference. First operand has 56 places, 44 transitions, 98 flow. Second operand 4 states and 148 transitions. [2024-11-28 05:18:40,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 72 transitions, 268 flow [2024-11-28 05:18:40,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 72 transitions, 267 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 05:18:40,425 INFO L231 Difference]: Finished difference. Result has 59 places, 48 transitions, 139 flow [2024-11-28 05:18:40,425 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=139, PETRI_PLACES=59, PETRI_TRANSITIONS=48} [2024-11-28 05:18:40,427 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, -3 predicate places. [2024-11-28 05:18:40,428 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 48 transitions, 139 flow [2024-11-28 05:18:40,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 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) [2024-11-28 05:18:40,428 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:40,428 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] [2024-11-28 05:18:40,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 05:18:40,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:40,629 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 05:18:40,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:40,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1948355470, now seen corresponding path program 1 times [2024-11-28 05:18:40,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:18:40,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1398756110] [2024-11-28 05:18:40,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:40,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:40,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:40,634 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:18:40,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 05:18:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:40,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 05:18:40,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:40,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:40,847 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:18:40,848 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:18:40,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398756110] [2024-11-28 05:18:40,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398756110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:40,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:40,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:18:40,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203186301] [2024-11-28 05:18:40,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:40,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:18:40,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:18:40,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:18:40,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:18:40,863 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 55 [2024-11-28 05:18:40,864 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 48 transitions, 139 flow. Second operand has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 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) [2024-11-28 05:18:40,864 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:40,864 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 55 [2024-11-28 05:18:40,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:42,090 INFO L124 PetriNetUnfolderBase]: 3877/6108 cut-off events. [2024-11-28 05:18:42,091 INFO L125 PetriNetUnfolderBase]: For 1596/1596 co-relation queries the response was YES. [2024-11-28 05:18:42,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13851 conditions, 6108 events. 3877/6108 cut-off events. For 1596/1596 co-relation queries the response was YES. Maximal size of possible extension queue 420. Compared 40991 event pairs, 213 based on Foata normal form. 208/6304 useless extension candidates. Maximal degree in co-relation 13842. Up to 3041 conditions per place. [2024-11-28 05:18:42,139 INFO L140 encePairwiseOnDemand]: 48/55 looper letters, 60 selfloop transitions, 10 changer transitions 1/89 dead transitions. [2024-11-28 05:18:42,139 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 89 transitions, 392 flow [2024-11-28 05:18:42,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:18:42,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 05:18:42,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 188 transitions. [2024-11-28 05:18:42,141 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6836363636363636 [2024-11-28 05:18:42,141 INFO L175 Difference]: Start difference. First operand has 59 places, 48 transitions, 139 flow. Second operand 5 states and 188 transitions. [2024-11-28 05:18:42,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 89 transitions, 392 flow [2024-11-28 05:18:42,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 89 transitions, 381 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-28 05:18:42,150 INFO L231 Difference]: Finished difference. Result has 63 places, 52 transitions, 191 flow [2024-11-28 05:18:42,152 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=191, PETRI_PLACES=63, PETRI_TRANSITIONS=52} [2024-11-28 05:18:42,153 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 1 predicate places. [2024-11-28 05:18:42,154 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 52 transitions, 191 flow [2024-11-28 05:18:42,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 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) [2024-11-28 05:18:42,154 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:42,155 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] [2024-11-28 05:18:42,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 05:18:42,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:42,356 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 05:18:42,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:42,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1785529253, now seen corresponding path program 1 times [2024-11-28 05:18:42,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:18:42,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [440253235] [2024-11-28 05:18:42,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:42,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:42,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:42,362 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:18:42,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 05:18:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:42,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:18:42,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:42,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:42,631 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:18:42,631 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:18:42,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440253235] [2024-11-28 05:18:42,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440253235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:42,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:42,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:18:42,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795796170] [2024-11-28 05:18:42,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:42,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:18:42,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:18:42,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:18:42,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:18:42,652 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 55 [2024-11-28 05:18:42,653 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 52 transitions, 191 flow. Second operand has 6 states, 6 states have (on average 25.666666666666668) internal successors, (154), 6 states have internal predecessors, (154), 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) [2024-11-28 05:18:42,653 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:42,653 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 55 [2024-11-28 05:18:42,653 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:43,645 INFO L124 PetriNetUnfolderBase]: 2547/3978 cut-off events. [2024-11-28 05:18:43,645 INFO L125 PetriNetUnfolderBase]: For 3118/3118 co-relation queries the response was YES. [2024-11-28 05:18:43,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10233 conditions, 3978 events. 2547/3978 cut-off events. For 3118/3118 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 23257 event pairs, 81 based on Foata normal form. 164/4130 useless extension candidates. Maximal degree in co-relation 10222. Up to 1361 conditions per place. [2024-11-28 05:18:43,681 INFO L140 encePairwiseOnDemand]: 48/55 looper letters, 71 selfloop transitions, 14 changer transitions 1/104 dead transitions. [2024-11-28 05:18:43,681 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 104 transitions, 515 flow [2024-11-28 05:18:43,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:18:43,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 05:18:43,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 226 transitions. [2024-11-28 05:18:43,684 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6848484848484848 [2024-11-28 05:18:43,685 INFO L175 Difference]: Start difference. First operand has 63 places, 52 transitions, 191 flow. Second operand 6 states and 226 transitions. [2024-11-28 05:18:43,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 104 transitions, 515 flow [2024-11-28 05:18:43,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 104 transitions, 485 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-28 05:18:43,706 INFO L231 Difference]: Finished difference. Result has 66 places, 56 transitions, 241 flow [2024-11-28 05:18:43,707 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=241, PETRI_PLACES=66, PETRI_TRANSITIONS=56} [2024-11-28 05:18:43,709 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 4 predicate places. [2024-11-28 05:18:43,710 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 56 transitions, 241 flow [2024-11-28 05:18:43,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.666666666666668) internal successors, (154), 6 states have internal predecessors, (154), 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) [2024-11-28 05:18:43,711 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:43,711 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:43,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 05:18:43,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:43,912 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 05:18:43,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:43,914 INFO L85 PathProgramCache]: Analyzing trace with hash -581972736, now seen corresponding path program 1 times [2024-11-28 05:18:43,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:18:43,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [260029863] [2024-11-28 05:18:43,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:43,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:43,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:43,918 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:18:43,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 05:18:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:44,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 05:18:44,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:44,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:44,188 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:18:44,188 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:18:44,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [260029863] [2024-11-28 05:18:44,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [260029863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:44,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:44,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:18:44,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542115138] [2024-11-28 05:18:44,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:44,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:18:44,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:18:44,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:18:44,190 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:18:44,199 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 55 [2024-11-28 05:18:44,200 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 56 transitions, 241 flow. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 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) [2024-11-28 05:18:44,200 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:44,200 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 55 [2024-11-28 05:18:44,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:45,076 INFO L124 PetriNetUnfolderBase]: 1559/2330 cut-off events. [2024-11-28 05:18:45,076 INFO L125 PetriNetUnfolderBase]: For 3368/3368 co-relation queries the response was YES. [2024-11-28 05:18:45,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6866 conditions, 2330 events. 1559/2330 cut-off events. For 3368/3368 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 11555 event pairs, 47 based on Foata normal form. 80/2398 useless extension candidates. Maximal degree in co-relation 6854. Up to 768 conditions per place. [2024-11-28 05:18:45,101 INFO L140 encePairwiseOnDemand]: 48/55 looper letters, 64 selfloop transitions, 18 changer transitions 1/101 dead transitions. [2024-11-28 05:18:45,102 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 101 transitions, 513 flow [2024-11-28 05:18:45,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:18:45,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 05:18:45,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 246 transitions. [2024-11-28 05:18:45,104 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.638961038961039 [2024-11-28 05:18:45,104 INFO L175 Difference]: Start difference. First operand has 66 places, 56 transitions, 241 flow. Second operand 7 states and 246 transitions. [2024-11-28 05:18:45,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 101 transitions, 513 flow [2024-11-28 05:18:45,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 101 transitions, 467 flow, removed 9 selfloop flow, removed 5 redundant places. [2024-11-28 05:18:45,132 INFO L231 Difference]: Finished difference. Result has 69 places, 56 transitions, 251 flow [2024-11-28 05:18:45,132 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=251, PETRI_PLACES=69, PETRI_TRANSITIONS=56} [2024-11-28 05:18:45,133 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 7 predicate places. [2024-11-28 05:18:45,134 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 56 transitions, 251 flow [2024-11-28 05:18:45,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 7 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) [2024-11-28 05:18:45,135 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:45,135 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:45,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 05:18:45,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:45,339 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 05:18:45,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:45,340 INFO L85 PathProgramCache]: Analyzing trace with hash 120904530, now seen corresponding path program 1 times [2024-11-28 05:18:45,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:18:45,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1053568962] [2024-11-28 05:18:45,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:18:45,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:45,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:45,344 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:18:45,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 05:18:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:18:45,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 05:18:45,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:45,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:45,875 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:18:45,875 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:18:45,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1053568962] [2024-11-28 05:18:45,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1053568962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:45,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:45,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 05:18:45,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876836729] [2024-11-28 05:18:45,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:45,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:18:45,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:18:45,878 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:18:45,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:18:45,985 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 55 [2024-11-28 05:18:45,986 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 56 transitions, 251 flow. Second operand has 9 states, 9 states have (on average 22.77777777777778) internal successors, (205), 9 states have internal predecessors, (205), 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) [2024-11-28 05:18:45,987 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:45,988 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 55 [2024-11-28 05:18:45,988 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:47,275 INFO L124 PetriNetUnfolderBase]: 3687/5709 cut-off events. [2024-11-28 05:18:47,275 INFO L125 PetriNetUnfolderBase]: For 7078/7078 co-relation queries the response was YES. [2024-11-28 05:18:47,292 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15646 conditions, 5709 events. 3687/5709 cut-off events. For 7078/7078 co-relation queries the response was YES. Maximal size of possible extension queue 337. Compared 34958 event pairs, 249 based on Foata normal form. 16/5716 useless extension candidates. Maximal degree in co-relation 15633. Up to 2520 conditions per place. [2024-11-28 05:18:47,306 INFO L140 encePairwiseOnDemand]: 44/55 looper letters, 68 selfloop transitions, 10 changer transitions 53/146 dead transitions. [2024-11-28 05:18:47,306 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 146 transitions, 887 flow [2024-11-28 05:18:47,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 05:18:47,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-28 05:18:47,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 313 transitions. [2024-11-28 05:18:47,313 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5690909090909091 [2024-11-28 05:18:47,313 INFO L175 Difference]: Start difference. First operand has 69 places, 56 transitions, 251 flow. Second operand 10 states and 313 transitions. [2024-11-28 05:18:47,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 146 transitions, 887 flow [2024-11-28 05:18:47,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 146 transitions, 662 flow, removed 34 selfloop flow, removed 10 redundant places. [2024-11-28 05:18:47,383 INFO L231 Difference]: Finished difference. Result has 74 places, 60 transitions, 211 flow [2024-11-28 05:18:47,384 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=155, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=211, PETRI_PLACES=74, PETRI_TRANSITIONS=60} [2024-11-28 05:18:47,385 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 12 predicate places. [2024-11-28 05:18:47,385 INFO L471 AbstractCegarLoop]: Abstraction has has 74 places, 60 transitions, 211 flow [2024-11-28 05:18:47,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 22.77777777777778) internal successors, (205), 9 states have internal predecessors, (205), 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) [2024-11-28 05:18:47,385 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:47,385 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:47,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 05:18:47,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:47,590 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 05:18:47,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:47,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1402479982, now seen corresponding path program 2 times [2024-11-28 05:18:47,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:18:47,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [962274602] [2024-11-28 05:18:47,591 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:18:47,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:47,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:47,593 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:18:47,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 05:18:47,727 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 05:18:47,727 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:18:47,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 05:18:47,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:48,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:48,008 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:18:48,008 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:18:48,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962274602] [2024-11-28 05:18:48,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962274602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:48,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:48,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 05:18:48,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100653731] [2024-11-28 05:18:48,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:48,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:18:48,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:18:48,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:18:48,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:18:48,056 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 55 [2024-11-28 05:18:48,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 60 transitions, 211 flow. Second operand has 9 states, 9 states have (on average 22.77777777777778) internal successors, (205), 9 states have internal predecessors, (205), 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) [2024-11-28 05:18:48,057 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:48,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 55 [2024-11-28 05:18:48,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:49,172 INFO L124 PetriNetUnfolderBase]: 5177/7733 cut-off events. [2024-11-28 05:18:49,173 INFO L125 PetriNetUnfolderBase]: For 2980/3058 co-relation queries the response was YES. [2024-11-28 05:18:49,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18237 conditions, 7733 events. 5177/7733 cut-off events. For 2980/3058 co-relation queries the response was YES. Maximal size of possible extension queue 360. Compared 46017 event pairs, 1151 based on Foata normal form. 54/7705 useless extension candidates. Maximal degree in co-relation 18223. Up to 4335 conditions per place. [2024-11-28 05:18:49,219 INFO L140 encePairwiseOnDemand]: 44/55 looper letters, 56 selfloop transitions, 12 changer transitions 62/146 dead transitions. [2024-11-28 05:18:49,219 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 146 transitions, 754 flow [2024-11-28 05:18:49,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 05:18:49,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-28 05:18:49,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 287 transitions. [2024-11-28 05:18:49,222 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5797979797979798 [2024-11-28 05:18:49,222 INFO L175 Difference]: Start difference. First operand has 74 places, 60 transitions, 211 flow. Second operand 9 states and 287 transitions. [2024-11-28 05:18:49,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 146 transitions, 754 flow [2024-11-28 05:18:49,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 146 transitions, 720 flow, removed 7 selfloop flow, removed 5 redundant places. [2024-11-28 05:18:49,231 INFO L231 Difference]: Finished difference. Result has 78 places, 64 transitions, 263 flow [2024-11-28 05:18:49,231 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=195, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=263, PETRI_PLACES=78, PETRI_TRANSITIONS=64} [2024-11-28 05:18:49,232 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 16 predicate places. [2024-11-28 05:18:49,232 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 64 transitions, 263 flow [2024-11-28 05:18:49,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 22.77777777777778) internal successors, (205), 9 states have internal predecessors, (205), 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) [2024-11-28 05:18:49,232 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:49,233 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:49,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-28 05:18:49,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:49,437 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 05:18:49,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:49,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1819487614, now seen corresponding path program 3 times [2024-11-28 05:18:49,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:18:49,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1710087491] [2024-11-28 05:18:49,438 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 05:18:49,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:49,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:49,443 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:18:49,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 05:18:49,576 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 05:18:49,576 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:18:49,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 05:18:49,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:49,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:49,840 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:18:49,841 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:18:49,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710087491] [2024-11-28 05:18:49,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710087491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:49,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:49,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 05:18:49,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334499383] [2024-11-28 05:18:49,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:49,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:18:49,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:18:49,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:18:49,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:18:49,864 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 55 [2024-11-28 05:18:49,864 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 64 transitions, 263 flow. Second operand has 9 states, 9 states have (on average 22.77777777777778) internal successors, (205), 9 states have internal predecessors, (205), 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) [2024-11-28 05:18:49,865 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:49,865 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 55 [2024-11-28 05:18:49,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:50,924 INFO L124 PetriNetUnfolderBase]: 5324/8072 cut-off events. [2024-11-28 05:18:50,924 INFO L125 PetriNetUnfolderBase]: For 3318/3487 co-relation queries the response was YES. [2024-11-28 05:18:50,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19912 conditions, 8072 events. 5324/8072 cut-off events. For 3318/3487 co-relation queries the response was YES. Maximal size of possible extension queue 395. Compared 49167 event pairs, 1306 based on Foata normal form. 67/7989 useless extension candidates. Maximal degree in co-relation 19895. Up to 5131 conditions per place. [2024-11-28 05:18:50,956 INFO L140 encePairwiseOnDemand]: 44/55 looper letters, 59 selfloop transitions, 18 changer transitions 50/144 dead transitions. [2024-11-28 05:18:50,956 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 144 transitions, 832 flow [2024-11-28 05:18:50,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 05:18:50,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-28 05:18:50,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 277 transitions. [2024-11-28 05:18:50,958 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5595959595959596 [2024-11-28 05:18:50,958 INFO L175 Difference]: Start difference. First operand has 78 places, 64 transitions, 263 flow. Second operand 9 states and 277 transitions. [2024-11-28 05:18:50,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 144 transitions, 832 flow [2024-11-28 05:18:50,962 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 144 transitions, 791 flow, removed 7 selfloop flow, removed 5 redundant places. [2024-11-28 05:18:50,964 INFO L231 Difference]: Finished difference. Result has 82 places, 71 transitions, 361 flow [2024-11-28 05:18:50,964 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=361, PETRI_PLACES=82, PETRI_TRANSITIONS=71} [2024-11-28 05:18:50,964 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 20 predicate places. [2024-11-28 05:18:50,965 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 71 transitions, 361 flow [2024-11-28 05:18:50,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 22.77777777777778) internal successors, (205), 9 states have internal predecessors, (205), 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) [2024-11-28 05:18:50,965 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:50,965 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:50,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-28 05:18:51,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:51,166 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 05:18:51,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:51,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1907398830, now seen corresponding path program 4 times [2024-11-28 05:18:51,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:18:51,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1747051560] [2024-11-28 05:18:51,172 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 05:18:51,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:51,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:51,176 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:18:51,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 05:18:51,298 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 05:18:51,298 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:18:51,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 05:18:51,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:52,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:52,355 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:18:52,355 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:18:52,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747051560] [2024-11-28 05:18:52,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747051560] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:52,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:52,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 05:18:52,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685012070] [2024-11-28 05:18:52,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:52,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:18:52,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:18:52,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:18:52,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:18:52,377 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 55 [2024-11-28 05:18:52,378 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 71 transitions, 361 flow. Second operand has 9 states, 9 states have (on average 28.11111111111111) internal successors, (253), 9 states have internal predecessors, (253), 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) [2024-11-28 05:18:52,378 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:52,378 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 55 [2024-11-28 05:18:52,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:53,687 INFO L124 PetriNetUnfolderBase]: 3025/5660 cut-off events. [2024-11-28 05:18:53,687 INFO L125 PetriNetUnfolderBase]: For 885/905 co-relation queries the response was YES. [2024-11-28 05:18:53,704 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11878 conditions, 5660 events. 3025/5660 cut-off events. For 885/905 co-relation queries the response was YES. Maximal size of possible extension queue 391. Compared 43075 event pairs, 1039 based on Foata normal form. 17/5207 useless extension candidates. Maximal degree in co-relation 11858. Up to 1662 conditions per place. [2024-11-28 05:18:53,722 INFO L140 encePairwiseOnDemand]: 47/55 looper letters, 47 selfloop transitions, 5 changer transitions 17/117 dead transitions. [2024-11-28 05:18:53,722 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 117 transitions, 607 flow [2024-11-28 05:18:53,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 05:18:53,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-28 05:18:53,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 304 transitions. [2024-11-28 05:18:53,725 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6141414141414141 [2024-11-28 05:18:53,725 INFO L175 Difference]: Start difference. First operand has 82 places, 71 transitions, 361 flow. Second operand 9 states and 304 transitions. [2024-11-28 05:18:53,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 117 transitions, 607 flow [2024-11-28 05:18:53,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 117 transitions, 568 flow, removed 11 selfloop flow, removed 5 redundant places. [2024-11-28 05:18:53,732 INFO L231 Difference]: Finished difference. Result has 87 places, 75 transitions, 378 flow [2024-11-28 05:18:53,733 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=378, PETRI_PLACES=87, PETRI_TRANSITIONS=75} [2024-11-28 05:18:53,733 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 25 predicate places. [2024-11-28 05:18:53,733 INFO L471 AbstractCegarLoop]: Abstraction has has 87 places, 75 transitions, 378 flow [2024-11-28 05:18:53,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 28.11111111111111) internal successors, (253), 9 states have internal predecessors, (253), 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) [2024-11-28 05:18:53,734 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:53,734 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:53,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-28 05:18:53,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:53,939 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 05:18:53,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:53,940 INFO L85 PathProgramCache]: Analyzing trace with hash -440850928, now seen corresponding path program 5 times [2024-11-28 05:18:53,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:18:53,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1159400715] [2024-11-28 05:18:53,940 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 05:18:53,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:53,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:53,943 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:18:53,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-28 05:18:54,073 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 05:18:54,073 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:18:54,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 05:18:54,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:18:54,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:18:54,258 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:18:54,258 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:18:54,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159400715] [2024-11-28 05:18:54,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159400715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:18:54,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:18:54,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 05:18:54,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519508910] [2024-11-28 05:18:54,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:18:54,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 05:18:54,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:18:54,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 05:18:54,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 05:18:54,310 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 55 [2024-11-28 05:18:54,311 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 75 transitions, 378 flow. Second operand has 9 states, 9 states have (on average 22.77777777777778) internal successors, (205), 9 states have internal predecessors, (205), 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) [2024-11-28 05:18:54,311 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:18:54,311 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 55 [2024-11-28 05:18:54,311 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:18:55,816 INFO L124 PetriNetUnfolderBase]: 9044/14188 cut-off events. [2024-11-28 05:18:55,817 INFO L125 PetriNetUnfolderBase]: For 10841/10927 co-relation queries the response was YES. [2024-11-28 05:18:55,873 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37146 conditions, 14188 events. 9044/14188 cut-off events. For 10841/10927 co-relation queries the response was YES. Maximal size of possible extension queue 662. Compared 97469 event pairs, 1842 based on Foata normal form. 92/14172 useless extension candidates. Maximal degree in co-relation 37123. Up to 7234 conditions per place. [2024-11-28 05:18:55,887 INFO L140 encePairwiseOnDemand]: 44/55 looper letters, 68 selfloop transitions, 11 changer transitions 78/173 dead transitions. [2024-11-28 05:18:55,887 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 173 transitions, 1055 flow [2024-11-28 05:18:55,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 05:18:55,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-28 05:18:55,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 288 transitions. [2024-11-28 05:18:55,890 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5818181818181818 [2024-11-28 05:18:55,890 INFO L175 Difference]: Start difference. First operand has 87 places, 75 transitions, 378 flow. Second operand 9 states and 288 transitions. [2024-11-28 05:18:55,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 173 transitions, 1055 flow [2024-11-28 05:18:55,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 173 transitions, 1035 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-28 05:18:55,904 INFO L231 Difference]: Finished difference. Result has 93 places, 65 transitions, 321 flow [2024-11-28 05:18:55,904 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=321, PETRI_PLACES=93, PETRI_TRANSITIONS=65} [2024-11-28 05:18:55,904 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 31 predicate places. [2024-11-28 05:18:55,905 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 65 transitions, 321 flow [2024-11-28 05:18:55,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 22.77777777777778) internal successors, (205), 9 states have internal predecessors, (205), 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) [2024-11-28 05:18:55,905 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:18:55,905 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:55,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-28 05:18:56,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:56,106 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 05:18:56,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:18:56,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1059195124, now seen corresponding path program 6 times [2024-11-28 05:18:56,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:18:56,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [51979822] [2024-11-28 05:18:56,107 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-28 05:18:56,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:56,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:18:56,111 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:18:56,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-28 05:18:56,232 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-28 05:18:56,232 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-28 05:18:56,233 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:18:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:18:56,353 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-28 05:18:56,353 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 05:18:56,354 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (7 of 8 remaining) [2024-11-28 05:18:56,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONMEMORY_LEAK (6 of 8 remaining) [2024-11-28 05:18:56,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (5 of 8 remaining) [2024-11-28 05:18:56,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2024-11-28 05:18:56,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-11-28 05:18:56,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining) [2024-11-28 05:18:56,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-11-28 05:18:56,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 8 remaining) [2024-11-28 05:18:56,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-28 05:18:56,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:18:56,560 INFO L422 BasicCegarLoop]: Path program histogram: [6, 1, 1, 1, 1, 1, 1] [2024-11-28 05:18:56,706 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 05:18:56,706 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:18:56,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:18:56 BasicIcfg [2024-11-28 05:18:56,714 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:18:56,716 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:18:56,717 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:18:56,717 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:18:56,718 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:18:35" (3/4) ... [2024-11-28 05:18:56,720 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 05:18:56,721 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:18:56,722 INFO L158 Benchmark]: Toolchain (without parser) took 23239.46ms. Allocated memory was 83.9MB in the beginning and 922.7MB in the end (delta: 838.9MB). Free memory was 59.0MB in the beginning and 779.1MB in the end (delta: -720.2MB). Peak memory consumption was 123.6MB. Max. memory is 16.1GB. [2024-11-28 05:18:56,722 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:18:56,723 INFO L158 Benchmark]: CACSL2BoogieTranslator took 757.95ms. Allocated memory is still 83.9MB. Free memory was 59.0MB in the beginning and 34.6MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 05:18:56,723 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.64ms. Allocated memory is still 83.9MB. Free memory was 34.6MB in the beginning and 31.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:18:56,723 INFO L158 Benchmark]: Boogie Preprocessor took 66.37ms. Allocated memory is still 83.9MB. Free memory was 31.9MB in the beginning and 28.6MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:18:56,724 INFO L158 Benchmark]: RCFGBuilder took 1174.36ms. Allocated memory is still 83.9MB. Free memory was 28.6MB in the beginning and 55.8MB in the end (delta: -27.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-28 05:18:56,725 INFO L158 Benchmark]: TraceAbstraction took 21151.69ms. Allocated memory was 83.9MB in the beginning and 922.7MB in the end (delta: 838.9MB). Free memory was 55.2MB in the beginning and 779.2MB in the end (delta: -724.0MB). Peak memory consumption was 646.1MB. Max. memory is 16.1GB. [2024-11-28 05:18:56,726 INFO L158 Benchmark]: Witness Printer took 4.74ms. Allocated memory is still 922.7MB. Free memory was 779.2MB in the beginning and 779.1MB in the end (delta: 127.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:18:56,728 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 757.95ms. Allocated memory is still 83.9MB. Free memory was 59.0MB in the beginning and 34.6MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.64ms. Allocated memory is still 83.9MB. Free memory was 34.6MB in the beginning and 31.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 66.37ms. Allocated memory is still 83.9MB. Free memory was 31.9MB in the beginning and 28.6MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1174.36ms. Allocated memory is still 83.9MB. Free memory was 28.6MB in the beginning and 55.8MB in the end (delta: -27.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 21151.69ms. Allocated memory was 83.9MB in the beginning and 922.7MB in the end (delta: 838.9MB). Free memory was 55.2MB in the beginning and 779.2MB in the end (delta: -724.0MB). Peak memory consumption was 646.1MB. Max. memory is 16.1GB. * Witness Printer took 4.74ms. Allocated memory is still 922.7MB. Free memory was 779.2MB in the beginning and 779.1MB in the end (delta: 127.2kB). 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: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L716] 0 int __unbuffered_p2_EAX = 0; [L718] 0 int __unbuffered_p2_EBX = 0; [L720] 0 int __unbuffered_p3_EAX = 0; [L722] 0 int __unbuffered_p3_EBX = 0; [L724] 0 int a = 0; [L725] 0 _Bool main$tmp_guard0; [L726] 0 _Bool main$tmp_guard1; [L728] 0 int x = 0; [L730] 0 int y = 0; [L732] 0 int z = 0; [L733] 0 _Bool z$flush_delayed; [L734] 0 int z$mem_tmp; [L735] 0 _Bool z$r_buff0_thd0; [L736] 0 _Bool z$r_buff0_thd1; [L737] 0 _Bool z$r_buff0_thd2; [L738] 0 _Bool z$r_buff0_thd3; [L739] 0 _Bool z$r_buff0_thd4; [L740] 0 _Bool z$r_buff1_thd0; [L741] 0 _Bool z$r_buff1_thd1; [L742] 0 _Bool z$r_buff1_thd2; [L743] 0 _Bool z$r_buff1_thd3; [L744] 0 _Bool z$r_buff1_thd4; [L745] 0 _Bool z$read_delayed; [L746] 0 int *z$read_delayed_var; [L747] 0 int z$w_buff0; [L748] 0 _Bool z$w_buff0_used; [L749] 0 int z$w_buff1; [L750] 0 _Bool z$w_buff1_used; [L751] 0 _Bool weak$$choice0; [L752] 0 _Bool weak$$choice2; [L871] 0 pthread_t t93; [L872] FCALL, FORK 0 pthread_create(&t93, ((void *)0), P0, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t93=-2, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L873] 0 pthread_t t94; [L874] FCALL, FORK 0 pthread_create(&t94, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t93=-2, t94=-1, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L875] 0 pthread_t t95; [L876] FCALL, FORK 0 pthread_create(&t95, ((void *)0), P2, ((void *)0)) 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_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t93=-2, t94=-1, t95=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L877] 0 pthread_t t96; [L878] FCALL, FORK 0 pthread_create(&t96, ((void *)0), P3, ((void *)0)) 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_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t93=-2, t94=-1, t95=0, t96=1, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L817] 4 z$w_buff1 = z$w_buff0 [L818] 4 z$w_buff0 = 1 [L819] 4 z$w_buff1_used = z$w_buff0_used [L820] 4 z$w_buff0_used = (_Bool)1 [L821] CALL 4 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L18] COND FALSE 4 !(!expression) [L821] RET 4 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L822] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L823] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L824] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L825] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L826] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L827] 4 z$r_buff0_thd4 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L830] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L831] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L832] 4 z$flush_delayed = weak$$choice2 [L833] 4 z$mem_tmp = z [L834] 4 z = !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L835] 4 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L836] 4 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L837] 4 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L838] 4 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L839] 4 z$r_buff0_thd4 = weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L840] 4 z$r_buff1_thd4 = weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L841] 4 __unbuffered_p3_EAX = z [L842] 4 z = z$flush_delayed ? z$mem_tmp : z [L843] 4 z$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L846] 4 __unbuffered_p3_EBX = a VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L756] 1 a = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L759] 1 __unbuffered_p0_EAX = x VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L771] 2 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L774] 2 __unbuffered_p1_EAX = y VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L786] 3 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L789] 3 __unbuffered_p2_EAX = y VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L792] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L793] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L794] 3 z$flush_delayed = weak$$choice2 [L795] 3 z$mem_tmp = z [L796] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L797] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L798] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L799] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L800] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L801] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L802] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L803] 3 __unbuffered_p2_EBX = z [L804] 3 z = z$flush_delayed ? z$mem_tmp : z [L805] 3 z$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=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, 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=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L849] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L850] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L851] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L852] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L853] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, 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=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L764] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, 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=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L779] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, 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=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L810] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, 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=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L856] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, 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=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L880] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t93=-2, t94=-1, t95=0, t96=1, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L882] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L882] RET 0 assume_abort_if_not(main$tmp_guard0) [L884] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L885] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L886] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L887] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L888] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t93=-2, t94=-1, t95=0, t96=1, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L891] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t93=-2, t94=-1, t95=0, t96=1, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L893] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L17] 0 __assert_fail ("0", "mix004.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] - 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: 869]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 878]: 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: 876]: 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: 872]: 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: 874]: 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 9 procedures, 89 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 20.8s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 13.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 741 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 699 mSDsluCounter, 378 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 322 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2659 IncrementalHoareTripleChecker+Invalid, 2692 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 56 mSDtfsCounter, 2659 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 340 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=378occurred in iteration=10, InterpolantAutomatonStates: 74, 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: 0.3s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 360 NumberOfCodeBlocks, 359 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 310 ConstructedInterpolants, 0 QuantifiedInterpolants, 1335 SizeOfPredicates, 44 NumberOfNonLiveVariables, 1372 ConjunctsInSsa, 91 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 [2024-11-28 05:18:56,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dcf267f-e0c5-4672-92e9-b47451532de4/bin/uautomizer-verify-aQ6SnzHsRB/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample