./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96593707-1d54-441c-a813-200307f8f3a0/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96593707-1d54-441c-a813-200307f8f3a0/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96593707-1d54-441c-a813-200307f8f3a0/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96593707-1d54-441c-a813-200307f8f3a0/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96593707-1d54-441c-a813-200307f8f3a0/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96593707-1d54-441c-a813-200307f8f3a0/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d5772eac83993f999ed7a0d2c72e283c734e18136b4020af8f8e407255c20c04 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:42:18,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:42:18,432 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96593707-1d54-441c-a813-200307f8f3a0/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-13 14:42:18,437 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:42:18,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:42:18,463 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:42:18,464 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:42:18,464 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:42:18,465 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:42:18,465 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:42:18,465 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:42:18,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:42:18,466 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:42:18,466 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:42:18,466 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:42:18,467 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:42:18,467 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:42:18,467 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:42:18,467 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:42:18,467 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:42:18,468 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 14:42:18,468 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 14:42:18,468 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 14:42:18,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:42:18,468 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 14:42:18,468 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:42:18,469 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:42:18,469 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:42:18,469 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:42:18,469 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:42:18,469 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:42:18,469 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:42:18,470 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:42:18,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:42:18,470 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:42:18,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:42:18,470 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:42:18,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:42:18,471 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:42:18,471 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:42:18,471 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:42:18,471 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:42:18,471 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_96593707-1d54-441c-a813-200307f8f3a0/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5772eac83993f999ed7a0d2c72e283c734e18136b4020af8f8e407255c20c04 [2024-11-13 14:42:18,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:42:18,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:42:18,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:42:18,815 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:42:18,815 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:42:18,816 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96593707-1d54-441c-a813-200307f8f3a0/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i Unable to find full path for "g++" [2024-11-13 14:42:20,864 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:42:21,237 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:42:21,242 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96593707-1d54-441c-a813-200307f8f3a0/sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i [2024-11-13 14:42:21,267 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96593707-1d54-441c-a813-200307f8f3a0/bin/uautomizer-verify-qhAvR1uOyd/data/a6eff21f4/d0065806445240ef8b50449b2e07030a/FLAG4406b2675 [2024-11-13 14:42:21,459 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96593707-1d54-441c-a813-200307f8f3a0/bin/uautomizer-verify-qhAvR1uOyd/data/a6eff21f4/d0065806445240ef8b50449b2e07030a [2024-11-13 14:42:21,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:42:21,463 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:42:21,465 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:42:21,465 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:42:21,469 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:42:21,470 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:42:21" (1/1) ... [2024-11-13 14:42:21,471 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a48c94d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:21, skipping insertion in model container [2024-11-13 14:42:21,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:42:21" (1/1) ... [2024-11-13 14:42:21,516 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:42:21,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:42:21,977 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:42:22,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:42:22,095 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:42:22,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:22 WrapperNode [2024-11-13 14:42:22,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:42:22,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:42:22,097 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:42:22,097 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:42:22,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:22" (1/1) ... [2024-11-13 14:42:22,120 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:22" (1/1) ... [2024-11-13 14:42:22,146 INFO L138 Inliner]: procedures = 274, calls = 44, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 108 [2024-11-13 14:42:22,149 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:42:22,151 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:42:22,151 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:42:22,152 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:42:22,163 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:22" (1/1) ... [2024-11-13 14:42:22,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:22" (1/1) ... [2024-11-13 14:42:22,167 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:22" (1/1) ... [2024-11-13 14:42:22,182 INFO L175 MemorySlicer]: Split 18 memory accesses to 3 slices as follows [2, 8, 8]. 44 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 8, 8]. The 0 writes are split as follows [0, 0, 0]. [2024-11-13 14:42:22,183 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:22" (1/1) ... [2024-11-13 14:42:22,183 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:22" (1/1) ... [2024-11-13 14:42:22,198 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:22" (1/1) ... [2024-11-13 14:42:22,202 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:22" (1/1) ... [2024-11-13 14:42:22,205 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:22" (1/1) ... [2024-11-13 14:42:22,207 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:22" (1/1) ... [2024-11-13 14:42:22,212 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:42:22,213 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:42:22,213 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:42:22,213 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:42:22,214 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:22" (1/1) ... [2024-11-13 14:42:22,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:42:22,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96593707-1d54-441c-a813-200307f8f3a0/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:42:22,256 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96593707-1d54-441c-a813-200307f8f3a0/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:42:22,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96593707-1d54-441c-a813-200307f8f3a0/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:42:22,288 INFO L130 BoogieDeclarations]: Found specification of procedure generate [2024-11-13 14:42:22,288 INFO L138 BoogieDeclarations]: Found implementation of procedure generate [2024-11-13 14:42:22,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-13 14:42:22,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-13 14:42:22,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-13 14:42:22,289 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 14:42:22,289 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 14:42:22,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:42:22,289 INFO L130 BoogieDeclarations]: Found specification of procedure dispose [2024-11-13 14:42:22,289 INFO L138 BoogieDeclarations]: Found implementation of procedure dispose [2024-11-13 14:42:22,291 INFO L130 BoogieDeclarations]: Found specification of procedure process [2024-11-13 14:42:22,291 INFO L138 BoogieDeclarations]: Found implementation of procedure process [2024-11-13 14:42:22,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:42:22,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 14:42:22,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 14:42:22,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:42:22,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:42:22,293 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 14:42:22,650 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:42:22,652 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:42:23,060 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 14:42:23,060 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:42:23,322 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:42:23,323 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-13 14:42:23,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:42:23 BoogieIcfgContainer [2024-11-13 14:42:23,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:42:23,328 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:42:23,328 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:42:23,334 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:42:23,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:42:21" (1/3) ... [2024-11-13 14:42:23,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@396e163d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:42:23, skipping insertion in model container [2024-11-13 14:42:23,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:42:22" (2/3) ... [2024-11-13 14:42:23,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@396e163d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:42:23, skipping insertion in model container [2024-11-13 14:42:23,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:42:23" (3/3) ... [2024-11-13 14:42:23,339 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_04-priv_multi_true.i [2024-11-13 14:42:23,357 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:42:23,359 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_04-priv_multi_true.i that has 4 procedures, 62 locations, 1 initial locations, 4 loop locations, and 3 error locations. [2024-11-13 14:42:23,359 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 14:42:23,436 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 14:42:23,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 71 places, 71 transitions, 154 flow [2024-11-13 14:42:23,540 INFO L124 PetriNetUnfolderBase]: 10/68 cut-off events. [2024-11-13 14:42:23,543 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 14:42:23,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 10/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 179 event pairs, 0 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 70. Up to 2 conditions per place. [2024-11-13 14:42:23,550 INFO L82 GeneralOperation]: Start removeDead. Operand has 71 places, 71 transitions, 154 flow [2024-11-13 14:42:23,554 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 68 places, 68 transitions, 145 flow [2024-11-13 14:42:23,567 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:42:23,588 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;@5f30066e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:42:23,589 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-13 14:42:23,606 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 14:42:23,606 INFO L124 PetriNetUnfolderBase]: 1/26 cut-off events. [2024-11-13 14:42:23,606 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 14:42:23,607 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:42:23,607 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:42:23,609 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 14:42:23,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:23,615 INFO L85 PathProgramCache]: Analyzing trace with hash -90421589, now seen corresponding path program 1 times [2024-11-13 14:42:23,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:23,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920869615] [2024-11-13 14:42:23,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:23,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:23,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:24,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:42:24,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:24,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920869615] [2024-11-13 14:42:24,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920869615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:24,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:24,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:42:24,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130727218] [2024-11-13 14:42:24,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:24,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:42:24,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:24,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:42:24,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:42:24,183 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 71 [2024-11-13 14:42:24,186 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 68 transitions, 145 flow. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:24,186 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:42:24,187 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 71 [2024-11-13 14:42:24,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:42:29,080 INFO L124 PetriNetUnfolderBase]: 24233/38219 cut-off events. [2024-11-13 14:42:29,080 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2024-11-13 14:42:29,190 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70604 conditions, 38219 events. 24233/38219 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 1025. Compared 294223 event pairs, 12107 based on Foata normal form. 6134/44176 useless extension candidates. Maximal degree in co-relation 70593. Up to 18819 conditions per place. [2024-11-13 14:42:29,375 INFO L140 encePairwiseOnDemand]: 62/71 looper letters, 67 selfloop transitions, 2 changer transitions 0/90 dead transitions. [2024-11-13 14:42:29,376 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 90 transitions, 327 flow [2024-11-13 14:42:29,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:42:29,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:42:29,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 154 transitions. [2024-11-13 14:42:29,393 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7230046948356808 [2024-11-13 14:42:29,395 INFO L175 Difference]: Start difference. First operand has 68 places, 68 transitions, 145 flow. Second operand 3 states and 154 transitions. [2024-11-13 14:42:29,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 90 transitions, 327 flow [2024-11-13 14:42:29,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 90 transitions, 324 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-13 14:42:29,414 INFO L231 Difference]: Finished difference. Result has 64 places, 61 transitions, 138 flow [2024-11-13 14:42:29,417 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=71, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=138, PETRI_PLACES=64, PETRI_TRANSITIONS=61} [2024-11-13 14:42:29,423 INFO L277 CegarLoopForPetriNet]: 68 programPoint places, -4 predicate places. [2024-11-13 14:42:29,423 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 61 transitions, 138 flow [2024-11-13 14:42:29,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:29,424 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:42:29,424 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:42:29,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:42:29,424 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 14:42:29,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:29,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1095840714, now seen corresponding path program 1 times [2024-11-13 14:42:29,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:29,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191561734] [2024-11-13 14:42:29,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:29,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:29,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:42:29,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:29,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191561734] [2024-11-13 14:42:29,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191561734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:29,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:29,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:42:29,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760487356] [2024-11-13 14:42:29,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:29,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:42:29,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:29,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:42:29,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:42:29,988 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 71 [2024-11-13 14:42:29,989 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 61 transitions, 138 flow. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:29,989 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:42:29,990 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 71 [2024-11-13 14:42:29,990 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:42:34,198 INFO L124 PetriNetUnfolderBase]: 34593/49859 cut-off events. [2024-11-13 14:42:34,198 INFO L125 PetriNetUnfolderBase]: For 2760/2760 co-relation queries the response was YES. [2024-11-13 14:42:34,294 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98009 conditions, 49859 events. 34593/49859 cut-off events. For 2760/2760 co-relation queries the response was YES. Maximal size of possible extension queue 1290. Compared 350958 event pairs, 5721 based on Foata normal form. 0/48880 useless extension candidates. Maximal degree in co-relation 97999. Up to 32317 conditions per place. [2024-11-13 14:42:34,489 INFO L140 encePairwiseOnDemand]: 64/71 looper letters, 101 selfloop transitions, 9 changer transitions 0/130 dead transitions. [2024-11-13 14:42:34,490 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 130 transitions, 510 flow [2024-11-13 14:42:34,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:42:34,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 14:42:34,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 225 transitions. [2024-11-13 14:42:34,494 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6338028169014085 [2024-11-13 14:42:34,494 INFO L175 Difference]: Start difference. First operand has 64 places, 61 transitions, 138 flow. Second operand 5 states and 225 transitions. [2024-11-13 14:42:34,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 130 transitions, 510 flow [2024-11-13 14:42:34,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 130 transitions, 506 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 14:42:34,508 INFO L231 Difference]: Finished difference. Result has 71 places, 68 transitions, 202 flow [2024-11-13 14:42:34,508 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=71, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=202, PETRI_PLACES=71, PETRI_TRANSITIONS=68} [2024-11-13 14:42:34,509 INFO L277 CegarLoopForPetriNet]: 68 programPoint places, 3 predicate places. [2024-11-13 14:42:34,510 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 68 transitions, 202 flow [2024-11-13 14:42:34,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:34,510 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:42:34,510 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:42:34,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:42:34,511 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting disposeErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 14:42:34,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:34,511 INFO L85 PathProgramCache]: Analyzing trace with hash 318068203, now seen corresponding path program 1 times [2024-11-13 14:42:34,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:34,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655843128] [2024-11-13 14:42:34,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:34,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:34,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:42:34,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:34,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655843128] [2024-11-13 14:42:34,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655843128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:34,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:34,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:42:34,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790474010] [2024-11-13 14:42:34,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:34,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:42:34,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:34,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:42:34,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:42:34,866 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 71 [2024-11-13 14:42:34,867 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 68 transitions, 202 flow. Second operand has 5 states, 5 states have (on average 24.4) internal successors, (122), 5 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:34,867 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:42:34,867 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 71 [2024-11-13 14:42:34,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:42:43,308 INFO L124 PetriNetUnfolderBase]: 72962/108063 cut-off events. [2024-11-13 14:42:43,308 INFO L125 PetriNetUnfolderBase]: For 48328/50341 co-relation queries the response was YES. [2024-11-13 14:42:43,545 INFO L83 FinitePrefix]: Finished finitePrefix Result has 238902 conditions, 108063 events. 72962/108063 cut-off events. For 48328/50341 co-relation queries the response was YES. Maximal size of possible extension queue 2456. Compared 831957 event pairs, 10656 based on Foata normal form. 0/104567 useless extension candidates. Maximal degree in co-relation 238887. Up to 37321 conditions per place. [2024-11-13 14:42:43,993 INFO L140 encePairwiseOnDemand]: 63/71 looper letters, 214 selfloop transitions, 12 changer transitions 0/246 dead transitions. [2024-11-13 14:42:43,994 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 246 transitions, 1216 flow [2024-11-13 14:42:43,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:42:43,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-13 14:42:43,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 381 transitions. [2024-11-13 14:42:43,999 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.670774647887324 [2024-11-13 14:42:43,999 INFO L175 Difference]: Start difference. First operand has 71 places, 68 transitions, 202 flow. Second operand 8 states and 381 transitions. [2024-11-13 14:42:43,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 246 transitions, 1216 flow [2024-11-13 14:42:44,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 246 transitions, 1216 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 14:42:44,135 INFO L231 Difference]: Finished difference. Result has 84 places, 78 transitions, 290 flow [2024-11-13 14:42:44,136 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=71, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=290, PETRI_PLACES=84, PETRI_TRANSITIONS=78} [2024-11-13 14:42:44,136 INFO L277 CegarLoopForPetriNet]: 68 programPoint places, 16 predicate places. [2024-11-13 14:42:44,137 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 78 transitions, 290 flow [2024-11-13 14:42:44,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 5 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:44,138 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:42:44,138 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:42:44,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:42:44,138 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 14:42:44,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:42:44,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1750850566, now seen corresponding path program 1 times [2024-11-13 14:42:44,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:42:44,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108272619] [2024-11-13 14:42:44,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:42:44,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:42:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:42:44,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:42:44,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:42:44,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108272619] [2024-11-13 14:42:44,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108272619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:42:44,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:42:44,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:42:44,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293486178] [2024-11-13 14:42:44,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:42:44,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:42:44,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:42:44,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:42:44,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:42:44,351 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 71 [2024-11-13 14:42:44,351 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 78 transitions, 290 flow. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:42:44,351 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:42:44,351 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 71 [2024-11-13 14:42:44,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:42:58,316 INFO L124 PetriNetUnfolderBase]: 101721/161244 cut-off events. [2024-11-13 14:42:58,316 INFO L125 PetriNetUnfolderBase]: For 125020/129436 co-relation queries the response was YES. [2024-11-13 14:42:58,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 402171 conditions, 161244 events. 101721/161244 cut-off events. For 125020/129436 co-relation queries the response was YES. Maximal size of possible extension queue 3799. Compared 1428676 event pairs, 23893 based on Foata normal form. 6602/166343 useless extension candidates. Maximal degree in co-relation 402148. Up to 81595 conditions per place. [2024-11-13 14:42:59,516 INFO L140 encePairwiseOnDemand]: 60/71 looper letters, 94 selfloop transitions, 11 changer transitions 0/128 dead transitions. [2024-11-13 14:42:59,517 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 128 transitions, 709 flow [2024-11-13 14:42:59,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:42:59,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:42:59,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 148 transitions. [2024-11-13 14:42:59,518 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6948356807511737 [2024-11-13 14:42:59,518 INFO L175 Difference]: Start difference. First operand has 84 places, 78 transitions, 290 flow. Second operand 3 states and 148 transitions. [2024-11-13 14:42:59,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 128 transitions, 709 flow [2024-11-13 14:43:02,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 128 transitions, 709 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 14:43:02,746 INFO L231 Difference]: Finished difference. Result has 87 places, 86 transitions, 355 flow [2024-11-13 14:43:02,746 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=71, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=355, PETRI_PLACES=87, PETRI_TRANSITIONS=86} [2024-11-13 14:43:02,747 INFO L277 CegarLoopForPetriNet]: 68 programPoint places, 19 predicate places. [2024-11-13 14:43:02,747 INFO L471 AbstractCegarLoop]: Abstraction has has 87 places, 86 transitions, 355 flow [2024-11-13 14:43:02,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:43:02,747 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:43:02,747 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:43:02,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 14:43:02,748 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-13 14:43:02,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:02,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1700355965, now seen corresponding path program 1 times [2024-11-13 14:43:02,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:02,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398155273] [2024-11-13 14:43:02,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:02,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:03,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:43:03,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:03,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398155273] [2024-11-13 14:43:03,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398155273] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:03,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:03,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:43:03,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954340721] [2024-11-13 14:43:03,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:03,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:43:03,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:03,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:43:03,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:43:03,016 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 71 [2024-11-13 14:43:03,016 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 86 transitions, 355 flow. Second operand has 5 states, 5 states have (on average 25.0) internal successors, (125), 5 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:43:03,016 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:43:03,016 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 71 [2024-11-13 14:43:03,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand