./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 206329ef329d64f7988adf458616b48a8b2bd496b77406b1382ed58ed18734a7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:42:43,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:42:43,485 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-23 22:42:43,490 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:42:43,490 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:42:43,523 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:42:43,524 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:42:43,524 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:42:43,524 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:42:43,525 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:42:43,525 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:42:43,525 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:42:43,525 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:42:43,526 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:42:43,527 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:42:43,527 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:42:43,527 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 22:42:43,528 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:42:43,528 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 22:42:43,528 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:42:43,528 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-23 22:42:43,528 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-23 22:42:43,528 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-23 22:42:43,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:42:43,528 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 22:42:43,529 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 22:42:43,529 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 22:42:43,529 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:42:43,529 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:42:43,529 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:42:43,529 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:42:43,529 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:42:43,530 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:42:43,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:42:43,530 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:42:43,530 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:42:43,530 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:42:43,530 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:42:43,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:42:43,530 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:42:43,530 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:42:43,530 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:42:43,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:42:43,531 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:42:43,531 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:42:43,531 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:42:43,531 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:42:43,531 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_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 206329ef329d64f7988adf458616b48a8b2bd496b77406b1382ed58ed18734a7 [2024-11-23 22:42:43,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:42:43,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:42:43,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:42:43,840 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:42:43,841 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:42:43,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2024-11-23 22:42:46,730 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/data/2bde7ed39/51b5b2ca6b8442b8b719d0b258443ce2/FLAGad4c15c77 [2024-11-23 22:42:47,019 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:42:47,020 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2024-11-23 22:42:47,034 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/data/2bde7ed39/51b5b2ca6b8442b8b719d0b258443ce2/FLAGad4c15c77 [2024-11-23 22:42:47,048 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/data/2bde7ed39/51b5b2ca6b8442b8b719d0b258443ce2 [2024-11-23 22:42:47,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:42:47,052 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:42:47,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:42:47,053 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:42:47,057 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:42:47,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:42:47" (1/1) ... [2024-11-23 22:42:47,059 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b80ecae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:47, skipping insertion in model container [2024-11-23 22:42:47,059 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:42:47" (1/1) ... [2024-11-23 22:42:47,092 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:42:47,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:42:47,525 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:42:47,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:42:47,628 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:42:47,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:47 WrapperNode [2024-11-23 22:42:47,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:42:47,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:42:47,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:42:47,632 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:42:47,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:47" (1/1) ... [2024-11-23 22:42:47,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:47" (1/1) ... [2024-11-23 22:42:47,670 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-23 22:42:47,671 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:42:47,672 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:42:47,672 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:42:47,672 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:42:47,680 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:47" (1/1) ... [2024-11-23 22:42:47,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:47" (1/1) ... [2024-11-23 22:42:47,682 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:47" (1/1) ... [2024-11-23 22:42:47,693 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2024-11-23 22:42:47,694 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:47" (1/1) ... [2024-11-23 22:42:47,694 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:47" (1/1) ... [2024-11-23 22:42:47,699 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:47" (1/1) ... [2024-11-23 22:42:47,700 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:47" (1/1) ... [2024-11-23 22:42:47,702 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:47" (1/1) ... [2024-11-23 22:42:47,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:47" (1/1) ... [2024-11-23 22:42:47,704 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:47" (1/1) ... [2024-11-23 22:42:47,705 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:42:47,706 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:42:47,706 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:42:47,706 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:42:47,707 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:47" (1/1) ... [2024-11-23 22:42:47,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:42:47,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:42:47,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:42:47,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:42:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-23 22:42:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:42:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-23 22:42:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-23 22:42:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 22:42:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 22:42:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 22:42:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-23 22:42:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:42:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:42:47,773 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 22:42:47,927 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:42:47,929 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:42:48,128 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 22:42:48,129 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:42:48,256 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:42:48,256 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 22:42:48,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:42:48 BoogieIcfgContainer [2024-11-23 22:42:48,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:42:48,259 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:42:48,259 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:42:48,264 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:42:48,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:42:47" (1/3) ... [2024-11-23 22:42:48,265 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3894de79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:42:48, skipping insertion in model container [2024-11-23 22:42:48,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:47" (2/3) ... [2024-11-23 22:42:48,265 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3894de79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:42:48, skipping insertion in model container [2024-11-23 22:42:48,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:42:48" (3/3) ... [2024-11-23 22:42:48,267 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_neg.i [2024-11-23 22:42:48,284 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:42:48,286 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_19-publish-precision_unknown_2_neg.i that has 2 procedures, 32 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-23 22:42:48,286 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 22:42:48,326 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-23 22:42:48,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 33 transitions, 73 flow [2024-11-23 22:42:48,421 INFO L124 PetriNetUnfolderBase]: 2/32 cut-off events. [2024-11-23 22:42:48,423 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-23 22:42:48,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 32 events. 2/32 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 31 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 26. Up to 2 conditions per place. [2024-11-23 22:42:48,431 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 33 transitions, 73 flow [2024-11-23 22:42:48,434 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 31 transitions, 68 flow [2024-11-23 22:42:48,442 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:42:48,458 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;@104d353c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:42:48,458 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-23 22:42:48,472 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 22:42:48,473 INFO L124 PetriNetUnfolderBase]: 2/19 cut-off events. [2024-11-23 22:42:48,473 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 22:42:48,473 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:42:48,474 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:42:48,476 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-23 22:42:48,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:42:48,481 INFO L85 PathProgramCache]: Analyzing trace with hash 265752604, now seen corresponding path program 1 times [2024-11-23 22:42:48,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:42:48,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122471022] [2024-11-23 22:42:48,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:42:48,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:42:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:42:48,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:42:48,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:42:48,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122471022] [2024-11-23 22:42:48,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122471022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:42:48,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:42:48,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:42:48,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489848784] [2024-11-23 22:42:48,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:42:48,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:42:48,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:42:48,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:42:48,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:42:48,888 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 33 [2024-11-23 22:42:48,890 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 31 transitions, 68 flow. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:42:48,891 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:42:48,891 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 33 [2024-11-23 22:42:48,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:42:49,070 INFO L124 PetriNetUnfolderBase]: 66/180 cut-off events. [2024-11-23 22:42:49,070 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-23 22:42:49,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 338 conditions, 180 events. 66/180 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 664 event pairs, 28 based on Foata normal form. 14/185 useless extension candidates. Maximal degree in co-relation 324. Up to 73 conditions per place. [2024-11-23 22:42:49,076 INFO L140 encePairwiseOnDemand]: 24/33 looper letters, 27 selfloop transitions, 10 changer transitions 0/46 dead transitions. [2024-11-23 22:42:49,077 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 46 transitions, 172 flow [2024-11-23 22:42:49,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:42:49,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-23 22:42:49,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 93 transitions. [2024-11-23 22:42:49,093 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5636363636363636 [2024-11-23 22:42:49,095 INFO L175 Difference]: Start difference. First operand has 33 places, 31 transitions, 68 flow. Second operand 5 states and 93 transitions. [2024-11-23 22:42:49,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 46 transitions, 172 flow [2024-11-23 22:42:49,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 46 transitions, 168 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 22:42:49,106 INFO L231 Difference]: Finished difference. Result has 38 places, 34 transitions, 120 flow [2024-11-23 22:42:49,109 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=120, PETRI_PLACES=38, PETRI_TRANSITIONS=34} [2024-11-23 22:42:49,112 INFO L279 CegarLoopForPetriNet]: 33 programPoint places, 5 predicate places. [2024-11-23 22:42:49,113 INFO L471 AbstractCegarLoop]: Abstraction has has 38 places, 34 transitions, 120 flow [2024-11-23 22:42:49,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:42:49,113 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:42:49,113 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:42:49,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 22:42:49,114 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-23 22:42:49,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:42:49,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1927424757, now seen corresponding path program 1 times [2024-11-23 22:42:49,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:42:49,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787733232] [2024-11-23 22:42:49,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:42:49,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:42:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:42:49,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:42:49,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:42:49,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787733232] [2024-11-23 22:42:49,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787733232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:42:49,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:42:49,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:42:49,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130530709] [2024-11-23 22:42:49,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:42:49,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:42:49,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:42:49,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:42:49,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:42:49,302 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 33 [2024-11-23 22:42:49,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 34 transitions, 120 flow. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:42:49,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:42:49,302 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 33 [2024-11-23 22:42:49,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:42:49,396 INFO L124 PetriNetUnfolderBase]: 26/102 cut-off events. [2024-11-23 22:42:49,397 INFO L125 PetriNetUnfolderBase]: For 32/34 co-relation queries the response was YES. [2024-11-23 22:42:49,398 INFO L83 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 102 events. 26/102 cut-off events. For 32/34 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 296 event pairs, 9 based on Foata normal form. 11/109 useless extension candidates. Maximal degree in co-relation 230. Up to 43 conditions per place. [2024-11-23 22:42:49,399 INFO L140 encePairwiseOnDemand]: 26/33 looper letters, 20 selfloop transitions, 7 changer transitions 0/38 dead transitions. [2024-11-23 22:42:49,399 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 38 transitions, 178 flow [2024-11-23 22:42:49,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:42:49,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:42:49,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 61 transitions. [2024-11-23 22:42:49,400 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6161616161616161 [2024-11-23 22:42:49,400 INFO L175 Difference]: Start difference. First operand has 38 places, 34 transitions, 120 flow. Second operand 3 states and 61 transitions. [2024-11-23 22:42:49,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 38 transitions, 178 flow [2024-11-23 22:42:49,402 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 38 transitions, 172 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-23 22:42:49,403 INFO L231 Difference]: Finished difference. Result has 40 places, 33 transitions, 125 flow [2024-11-23 22:42:49,403 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=125, PETRI_PLACES=40, PETRI_TRANSITIONS=33} [2024-11-23 22:42:49,405 INFO L279 CegarLoopForPetriNet]: 33 programPoint places, 7 predicate places. [2024-11-23 22:42:49,405 INFO L471 AbstractCegarLoop]: Abstraction has has 40 places, 33 transitions, 125 flow [2024-11-23 22:42:49,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:42:49,405 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:42:49,406 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:42:49,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 22:42:49,406 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-23 22:42:49,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:42:49,407 INFO L85 PathProgramCache]: Analyzing trace with hash 613987135, now seen corresponding path program 1 times [2024-11-23 22:42:49,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:42:49,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044986110] [2024-11-23 22:42:49,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:42:49,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:42:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:42:49,447 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 22:42:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:42:49,495 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 22:42:49,497 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 22:42:49,498 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 3 remaining) [2024-11-23 22:42:49,499 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (1 of 3 remaining) [2024-11-23 22:42:49,499 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-23 22:42:49,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 22:42:49,500 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-23 22:42:49,529 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 22:42:49,529 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 22:42:49,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:42:49 BasicIcfg [2024-11-23 22:42:49,534 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 22:42:49,535 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 22:42:49,535 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 22:42:49,535 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 22:42:49,535 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:42:48" (3/4) ... [2024-11-23 22:42:49,538 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 22:42:49,538 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 22:42:49,539 INFO L158 Benchmark]: Toolchain (without parser) took 2487.65ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 33.7MB in the end (delta: 57.7MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2024-11-23 22:42:49,540 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:42:49,540 INFO L158 Benchmark]: CACSL2BoogieTranslator took 577.94ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 72.1MB in the end (delta: 19.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:42:49,540 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.93ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 70.4MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:42:49,541 INFO L158 Benchmark]: Boogie Preprocessor took 33.97ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 68.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:42:49,541 INFO L158 Benchmark]: RCFGBuilder took 550.44ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 46.0MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 22:42:49,541 INFO L158 Benchmark]: TraceAbstraction took 1275.32ms. Allocated memory is still 117.4MB. Free memory was 45.5MB in the beginning and 33.7MB in the end (delta: 11.8MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-11-23 22:42:49,541 INFO L158 Benchmark]: Witness Printer took 3.81ms. Allocated memory is still 117.4MB. Free memory is still 33.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:42:49,543 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 577.94ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 72.1MB in the end (delta: 19.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.93ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 70.4MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.97ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 68.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 550.44ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 46.0MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1275.32ms. Allocated memory is still 117.4MB. Free memory was 45.5MB in the beginning and 33.7MB in the end (delta: 11.8MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Witness Printer took 3.81ms. Allocated memory is still 117.4MB. Free memory is still 33.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 18. Possible FailurePath: [L681] 0 int glob1 = 0; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L696] 0 pthread_t id; [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, glob1=0, id=-1, mutex1={3:0}, mutex2={4:0}] [L687] 1 glob1 = 5 VAL [\old(arg)={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 5)) [L19] COND TRUE 0 !(cond) [L19] CALL 0 reach_error() [L18] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] [L18] 0 __assert_fail ("0", "13-privatized_19-publish-precision_unknown_2_neg.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 695]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 697]: 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 3 procedures, 47 locations, 3 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: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 96 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 0 mSDtfsCounter, 96 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=2, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-23 22:42:49,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 206329ef329d64f7988adf458616b48a8b2bd496b77406b1382ed58ed18734a7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:42:52,202 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:42:52,320 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-23 22:42:52,326 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:42:52,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:42:52,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:42:52,351 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:42:52,352 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:42:52,352 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:42:52,352 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:42:52,352 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:42:52,352 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:42:52,353 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:42:52,353 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:42:52,353 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:42:52,353 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:42:52,353 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 22:42:52,354 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:42:52,354 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 22:42:52,354 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:42:52,354 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-23 22:42:52,354 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-23 22:42:52,354 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-23 22:42:52,355 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:42:52,355 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 22:42:52,355 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 22:42:52,355 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 22:42:52,355 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 22:42:52,355 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 22:42:52,355 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:42:52,356 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:42:52,356 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:42:52,356 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:42:52,356 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:42:52,356 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:42:52,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:42:52,357 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:42:52,357 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:42:52,357 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:42:52,357 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:42:52,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:42:52,357 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:42:52,357 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:42:52,358 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 22:42:52,358 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 22:42:52,358 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:42:52,358 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:42:52,358 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:42:52,358 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:42:52,358 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_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 206329ef329d64f7988adf458616b48a8b2bd496b77406b1382ed58ed18734a7 [2024-11-23 22:42:52,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:42:52,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:42:52,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:42:52,662 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:42:52,662 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:42:52,663 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2024-11-23 22:42:55,670 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/data/b762745ef/26aa3bbe0dc547a989721e9a93dcaa86/FLAGc9752c097 [2024-11-23 22:42:55,941 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:42:55,941 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2024-11-23 22:42:55,954 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/data/b762745ef/26aa3bbe0dc547a989721e9a93dcaa86/FLAGc9752c097 [2024-11-23 22:42:55,970 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/data/b762745ef/26aa3bbe0dc547a989721e9a93dcaa86 [2024-11-23 22:42:55,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:42:55,975 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:42:55,976 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:42:55,976 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:42:55,980 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:42:55,981 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:42:55" (1/1) ... [2024-11-23 22:42:55,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26f15d3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:55, skipping insertion in model container [2024-11-23 22:42:55,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:42:55" (1/1) ... [2024-11-23 22:42:56,012 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:42:56,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:42:56,444 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:42:56,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:42:56,547 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:42:56,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:56 WrapperNode [2024-11-23 22:42:56,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:42:56,549 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:42:56,549 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:42:56,549 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:42:56,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:56" (1/1) ... [2024-11-23 22:42:56,570 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:56" (1/1) ... [2024-11-23 22:42:56,592 INFO L138 Inliner]: procedures = 166, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2024-11-23 22:42:56,592 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:42:56,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:42:56,593 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:42:56,593 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:42:56,602 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:56" (1/1) ... [2024-11-23 22:42:56,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:56" (1/1) ... [2024-11-23 22:42:56,605 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:56" (1/1) ... [2024-11-23 22:42:56,617 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2024-11-23 22:42:56,618 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:56" (1/1) ... [2024-11-23 22:42:56,618 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:56" (1/1) ... [2024-11-23 22:42:56,631 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:56" (1/1) ... [2024-11-23 22:42:56,632 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:56" (1/1) ... [2024-11-23 22:42:56,636 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:56" (1/1) ... [2024-11-23 22:42:56,641 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:56" (1/1) ... [2024-11-23 22:42:56,645 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:56" (1/1) ... [2024-11-23 22:42:56,650 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:42:56,651 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:42:56,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:42:56,651 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:42:56,652 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:56" (1/1) ... [2024-11-23 22:42:56,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:42:56,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:42:56,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:42:56,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:42:56,742 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-23 22:42:56,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:42:56,742 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-23 22:42:56,742 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-23 22:42:56,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 22:42:56,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-23 22:42:56,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-23 22:42:56,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-23 22:42:56,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-23 22:42:56,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-23 22:42:56,743 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-23 22:42:56,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:42:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:42:56,744 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 22:42:56,945 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:42:56,947 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:42:57,240 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 22:42:57,240 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:42:57,456 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:42:57,456 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 22:42:57,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:42:57 BoogieIcfgContainer [2024-11-23 22:42:57,457 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:42:57,461 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:42:57,461 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:42:57,467 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:42:57,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:42:55" (1/3) ... [2024-11-23 22:42:57,468 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bff5a0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:42:57, skipping insertion in model container [2024-11-23 22:42:57,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:42:56" (2/3) ... [2024-11-23 22:42:57,468 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bff5a0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:42:57, skipping insertion in model container [2024-11-23 22:42:57,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:42:57" (3/3) ... [2024-11-23 22:42:57,469 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_neg.i [2024-11-23 22:42:57,489 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:42:57,490 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_19-publish-precision_unknown_2_neg.i that has 2 procedures, 32 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-23 22:42:57,490 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 22:42:57,558 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-23 22:42:57,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 33 transitions, 73 flow [2024-11-23 22:42:57,678 INFO L124 PetriNetUnfolderBase]: 2/32 cut-off events. [2024-11-23 22:42:57,680 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-23 22:42:57,687 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 32 events. 2/32 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 31 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 26. Up to 2 conditions per place. [2024-11-23 22:42:57,687 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 33 transitions, 73 flow [2024-11-23 22:42:57,691 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 31 transitions, 68 flow [2024-11-23 22:42:57,709 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:42:57,727 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;@77d781af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:42:57,728 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-23 22:42:57,745 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 22:42:57,745 INFO L124 PetriNetUnfolderBase]: 2/19 cut-off events. [2024-11-23 22:42:57,745 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 22:42:57,745 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:42:57,746 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:42:57,746 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-23 22:42:57,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:42:57,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1290580252, now seen corresponding path program 1 times [2024-11-23 22:42:57,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:42:57,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [552270038] [2024-11-23 22:42:57,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:42:57,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:42:57,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:42:57,770 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:42:57,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 22:42:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:42:57,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 22:42:57,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:42:57,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:42:57,984 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:42:57,985 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:42:57,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552270038] [2024-11-23 22:42:57,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [552270038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:42:57,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:42:57,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:42:57,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308347948] [2024-11-23 22:42:57,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:42:57,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:42:58,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:42:58,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:42:58,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:42:58,039 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 33 [2024-11-23 22:42:58,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 31 transitions, 68 flow. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:42:58,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:42:58,043 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 33 [2024-11-23 22:42:58,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:42:58,268 INFO L124 PetriNetUnfolderBase]: 57/170 cut-off events. [2024-11-23 22:42:58,268 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-23 22:42:58,269 INFO L83 FinitePrefix]: Finished finitePrefix Result has 309 conditions, 170 events. 57/170 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 647 event pairs, 28 based on Foata normal form. 24/192 useless extension candidates. Maximal degree in co-relation 295. Up to 77 conditions per place. [2024-11-23 22:42:58,273 INFO L140 encePairwiseOnDemand]: 25/33 looper letters, 27 selfloop transitions, 8 changer transitions 0/45 dead transitions. [2024-11-23 22:42:58,273 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 45 transitions, 166 flow [2024-11-23 22:42:58,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:42:58,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-23 22:42:58,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 96 transitions. [2024-11-23 22:42:58,289 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5818181818181818 [2024-11-23 22:42:58,290 INFO L175 Difference]: Start difference. First operand has 33 places, 31 transitions, 68 flow. Second operand 5 states and 96 transitions. [2024-11-23 22:42:58,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 45 transitions, 166 flow [2024-11-23 22:42:58,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 45 transitions, 162 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 22:42:58,302 INFO L231 Difference]: Finished difference. Result has 37 places, 33 transitions, 106 flow [2024-11-23 22:42:58,305 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=106, PETRI_PLACES=37, PETRI_TRANSITIONS=33} [2024-11-23 22:42:58,309 INFO L279 CegarLoopForPetriNet]: 33 programPoint places, 4 predicate places. [2024-11-23 22:42:58,310 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 33 transitions, 106 flow [2024-11-23 22:42:58,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:42:58,311 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:42:58,312 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:42:58,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 22:42:58,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:42:58,513 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-23 22:42:58,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:42:58,513 INFO L85 PathProgramCache]: Analyzing trace with hash -243141747, now seen corresponding path program 1 times [2024-11-23 22:42:58,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:42:58,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [843424298] [2024-11-23 22:42:58,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:42:58,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:42:58,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:42:58,518 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:42:58,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 22:42:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:42:58,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 22:42:58,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 22:42:58,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2024-11-23 22:42:58,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 22:42:58,671 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 22:42:58,671 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 22:42:58,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843424298] [2024-11-23 22:42:58,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843424298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:42:58,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:42:58,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:42:58,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274149588] [2024-11-23 22:42:58,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:42:58,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:42:58,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 22:42:58,674 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:42:58,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:42:58,674 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 33 [2024-11-23 22:42:58,674 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 33 transitions, 106 flow. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:42:58,675 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:42:58,675 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 33 [2024-11-23 22:42:58,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:42:58,796 INFO L124 PetriNetUnfolderBase]: 26/102 cut-off events. [2024-11-23 22:42:58,796 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-11-23 22:42:58,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 235 conditions, 102 events. 26/102 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 294 event pairs, 9 based on Foata normal form. 11/109 useless extension candidates. Maximal degree in co-relation 217. Up to 43 conditions per place. [2024-11-23 22:42:58,797 INFO L140 encePairwiseOnDemand]: 26/33 looper letters, 20 selfloop transitions, 7 changer transitions 0/37 dead transitions. [2024-11-23 22:42:58,798 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 37 transitions, 165 flow [2024-11-23 22:42:58,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:42:58,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:42:58,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 61 transitions. [2024-11-23 22:42:58,799 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6161616161616161 [2024-11-23 22:42:58,799 INFO L175 Difference]: Start difference. First operand has 37 places, 33 transitions, 106 flow. Second operand 3 states and 61 transitions. [2024-11-23 22:42:58,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 37 transitions, 165 flow [2024-11-23 22:42:58,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 37 transitions, 158 flow, removed 2 selfloop flow, removed 2 redundant places. [2024-11-23 22:42:58,802 INFO L231 Difference]: Finished difference. Result has 37 places, 32 transitions, 111 flow [2024-11-23 22:42:58,802 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=111, PETRI_PLACES=37, PETRI_TRANSITIONS=32} [2024-11-23 22:42:58,803 INFO L279 CegarLoopForPetriNet]: 33 programPoint places, 4 predicate places. [2024-11-23 22:42:58,803 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 32 transitions, 111 flow [2024-11-23 22:42:58,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 22:42:58,803 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:42:58,803 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:42:58,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 22:42:59,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:42:59,004 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-23 22:42:59,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:42:59,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1287152895, now seen corresponding path program 1 times [2024-11-23 22:42:59,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 22:42:59,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1566319902] [2024-11-23 22:42:59,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:42:59,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:42:59,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:42:59,009 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 22:42:59,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 22:42:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:42:59,100 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 22:42:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 22:42:59,143 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-23 22:42:59,143 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 22:42:59,144 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 3 remaining) [2024-11-23 22:42:59,146 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (1 of 3 remaining) [2024-11-23 22:42:59,147 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-23 22:42:59,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 22:42:59,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 22:42:59,351 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-23 22:42:59,386 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 22:42:59,387 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 22:42:59,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:42:59 BasicIcfg [2024-11-23 22:42:59,395 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 22:42:59,397 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 22:42:59,397 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 22:42:59,397 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 22:42:59,398 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:42:57" (3/4) ... [2024-11-23 22:42:59,401 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 22:42:59,402 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 22:42:59,404 INFO L158 Benchmark]: Toolchain (without parser) took 3429.05ms. Allocated memory is still 83.9MB. Free memory was 59.2MB in the beginning and 43.2MB in the end (delta: 16.0MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2024-11-23 22:42:59,404 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:42:59,406 INFO L158 Benchmark]: CACSL2BoogieTranslator took 572.66ms. Allocated memory is still 83.9MB. Free memory was 59.2MB in the beginning and 39.0MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 22:42:59,407 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.33ms. Allocated memory is still 83.9MB. Free memory was 39.0MB in the beginning and 37.1MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:42:59,407 INFO L158 Benchmark]: Boogie Preprocessor took 57.07ms. Allocated memory is still 83.9MB. Free memory was 37.1MB in the beginning and 34.6MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:42:59,407 INFO L158 Benchmark]: RCFGBuilder took 806.30ms. Allocated memory is still 83.9MB. Free memory was 34.6MB in the beginning and 35.4MB in the end (delta: -767.8kB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2024-11-23 22:42:59,408 INFO L158 Benchmark]: TraceAbstraction took 1934.81ms. Allocated memory is still 83.9MB. Free memory was 34.9MB in the beginning and 43.8MB in the end (delta: -8.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:42:59,408 INFO L158 Benchmark]: Witness Printer took 5.95ms. Allocated memory is still 83.9MB. Free memory was 43.8MB in the beginning and 43.2MB in the end (delta: 556.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:42:59,410 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 572.66ms. Allocated memory is still 83.9MB. Free memory was 59.2MB in the beginning and 39.0MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.33ms. Allocated memory is still 83.9MB. Free memory was 39.0MB in the beginning and 37.1MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.07ms. Allocated memory is still 83.9MB. Free memory was 37.1MB in the beginning and 34.6MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 806.30ms. Allocated memory is still 83.9MB. Free memory was 34.6MB in the beginning and 35.4MB in the end (delta: -767.8kB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1934.81ms. Allocated memory is still 83.9MB. Free memory was 34.9MB in the beginning and 43.8MB in the end (delta: -8.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.95ms. Allocated memory is still 83.9MB. Free memory was 43.8MB in the beginning and 43.2MB in the end (delta: 556.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 18. Possible FailurePath: [L681] 0 int glob1 = 0; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L696] 0 pthread_t id; [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, glob1=0, id=0, mutex1={3:0}, mutex2={4:0}] [L687] 1 glob1 = 5 VAL [\old(arg)={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 5)) [L19] COND TRUE 0 !(cond) [L19] CALL 0 reach_error() [L18] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] [L18] 0 __assert_fail ("0", "13-privatized_19-publish-precision_unknown_2_neg.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 695]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 697]: 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 3 procedures, 47 locations, 3 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: 1.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 98 IncrementalHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 2 mSDtfsCounter, 98 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=2, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 45 SizeOfPredicates, 2 NumberOfNonLiveVariables, 112 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-23 22:42:59,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4d867f-4919-4886-bb15-3e512fe65ea4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample