./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_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_aceaa036-1811-4a3c-9f37-c77001094e2d/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/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_aceaa036-1811-4a3c-9f37-c77001094e2d/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/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_aceaa036-1811-4a3c-9f37-c77001094e2d/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 db89c87a20c604c9441b7de7f477400cd6fc4624b5ed335b5e7cd959bb73911d
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 23:15:04,274 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 23:15:04,363 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2024-11-23 23:15:04,372 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 23:15:04,373 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 23:15:04,416 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 23:15:04,417 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 23:15:04,417 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 23:15:04,418 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 23:15:04,418 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-23 23:15:04,419 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 23:15:04,419 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 23:15:04,420 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 23:15:04,420 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 23:15:04,420 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 23:15:04,420 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 23:15:04,420 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 23:15:04,420 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 23:15:04,420 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 23:15:04,421 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 23:15:04,421 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2024-11-23 23:15:04,421 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2024-11-23 23:15:04,422 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2024-11-23 23:15:04,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 23:15:04,422 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-23 23:15:04,422 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-23 23:15:04,422 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 23:15:04,422 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 23:15:04,422 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 23:15:04,422 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 23:15:04,423 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:15:04,423 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:15:04,423 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:15:04,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:15:04,423 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 23:15:04,424 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:15:04,424 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:15:04,424 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:15:04,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:15:04,424 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 23:15:04,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 23:15:04,425 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-23 23:15:04,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 23:15:04,425 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 23:15:04,425 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 23:15:04,425 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 23:15:04,425 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 23:15:04,425 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_aceaa036-1811-4a3c-9f37-c77001094e2d/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 -> db89c87a20c604c9441b7de7f477400cd6fc4624b5ed335b5e7cd959bb73911d
[2024-11-23 23:15:04,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 23:15:04,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 23:15:04,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 23:15:04,757 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 23:15:04,757 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 23:15:04,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i
[2024-11-23 23:15:07,843 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/bin/uautomizer-verify-LYvppIcaGC/data/b397ea95a/50b7c3bf1a584be0b201ac98758ea7ac/FLAG70b28f2f6
[2024-11-23 23:15:08,148 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 23:15:08,149 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i
[2024-11-23 23:15:08,169 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/bin/uautomizer-verify-LYvppIcaGC/data/b397ea95a/50b7c3bf1a584be0b201ac98758ea7ac/FLAG70b28f2f6
[2024-11-23 23:15:08,192 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/bin/uautomizer-verify-LYvppIcaGC/data/b397ea95a/50b7c3bf1a584be0b201ac98758ea7ac
[2024-11-23 23:15:08,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 23:15:08,197 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 23:15:08,199 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 23:15:08,200 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 23:15:08,208 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 23:15:08,208 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:15:08" (1/1) ...
[2024-11-23 23:15:08,209 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e26bc5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:08, skipping insertion in model container
[2024-11-23 23:15:08,210 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:15:08" (1/1) ...
[2024-11-23 23:15:08,254 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 23:15:08,689 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:15:08,712 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 23:15:08,779 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:15:08,821 INFO L204 MainTranslator]: Completed translation
[2024-11-23 23:15:08,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:08 WrapperNode
[2024-11-23 23:15:08,824 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 23:15:08,825 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 23:15:08,825 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 23:15:08,825 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 23:15:08,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:08" (1/1) ...
[2024-11-23 23:15:08,846 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:08" (1/1) ...
[2024-11-23 23:15:08,873 INFO L138 Inliner]: procedures = 163, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57
[2024-11-23 23:15:08,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 23:15:08,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 23:15:08,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 23:15:08,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 23:15:08,884 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:08" (1/1) ...
[2024-11-23 23:15:08,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:08" (1/1) ...
[2024-11-23 23:15:08,886 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:08" (1/1) ...
[2024-11-23 23:15:08,907 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5]. The 0 writes are split as follows [0, 0].
[2024-11-23 23:15:08,907 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:08" (1/1) ...
[2024-11-23 23:15:08,907 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:08" (1/1) ...
[2024-11-23 23:15:08,915 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:08" (1/1) ...
[2024-11-23 23:15:08,916 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:08" (1/1) ...
[2024-11-23 23:15:08,918 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:08" (1/1) ...
[2024-11-23 23:15:08,919 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:08" (1/1) ...
[2024-11-23 23:15:08,920 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:08" (1/1) ...
[2024-11-23 23:15:08,922 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 23:15:08,923 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 23:15:08,923 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 23:15:08,923 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 23:15:08,924 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:08" (1/1) ...
[2024-11-23 23:15:08,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:15:08,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:15:08,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 23:15:08,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 23:15:08,997 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-11-23 23:15:08,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 23:15:08,998 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2024-11-23 23:15:08,998 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2024-11-23 23:15:08,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-23 23:15:08,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-23 23:15:08,998 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-11-23 23:15:08,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 23:15:08,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 23:15:09,000 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 23:15:09,135 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 23:15:09,137 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 23:15:09,350 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-23 23:15:09,350 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 23:15:09,507 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 23:15:09,508 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-23 23:15:09,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:15:09 BoogieIcfgContainer
[2024-11-23 23:15:09,508 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 23:15:09,511 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 23:15:09,511 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 23:15:09,518 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 23:15:09,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:15:08" (1/3) ...
[2024-11-23 23:15:09,520 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8852d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:15:09, skipping insertion in model container
[2024-11-23 23:15:09,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:08" (2/3) ...
[2024-11-23 23:15:09,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8852d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:15:09, skipping insertion in model container
[2024-11-23 23:15:09,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:15:09" (3/3) ...
[2024-11-23 23:15:09,523 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_1_neg.i
[2024-11-23 23:15:09,540 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 23:15:09,542 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_18-first-reads_unknown_1_neg.i that has 2 procedures, 24 locations, 1 initial locations, 0 loop locations, and 2 error locations.
[2024-11-23 23:15:09,542 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-23 23:15:09,596 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2024-11-23 23:15:09,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 27 places, 25 transitions, 57 flow
[2024-11-23 23:15:09,676 INFO L124 PetriNetUnfolderBase]: 2/24 cut-off events.
[2024-11-23 23:15:09,679 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-23 23:15:09,681 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 24 events. 2/24 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 25 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place.
[2024-11-23 23:15:09,681 INFO L82 GeneralOperation]: Start removeDead. Operand has 27 places, 25 transitions, 57 flow
[2024-11-23 23:15:09,685 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 25 places, 23 transitions, 52 flow
[2024-11-23 23:15:09,692 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 23:15:09,704 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;@39edf2be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 23:15:09,704 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-11-23 23:15:09,713 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 23:15:09,713 INFO L124 PetriNetUnfolderBase]: 2/18 cut-off events.
[2024-11-23 23:15:09,713 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 23:15:09,714 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:15:09,714 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:15:09,715 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (and 1 more)] ===
[2024-11-23 23:15:09,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:15:09,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1676123610, now seen corresponding path program 1 times
[2024-11-23 23:15:09,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:15:09,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909627961]
[2024-11-23 23:15:09,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:15:09,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:15:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:15:09,880 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 23:15:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:15:09,954 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 23:15:09,957 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 23:15:09,958 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining)
[2024-11-23 23:15:09,960 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining)
[2024-11-23 23:15:09,961 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining)
[2024-11-23 23:15:09,961 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 4 remaining)
[2024-11-23 23:15:09,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-23 23:15:09,962 INFO L422 BasicCegarLoop]: Path program histogram: [1]
[2024-11-23 23:15:09,990 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-23 23:15:09,990 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-23 23:15:09,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:15:09 BasicIcfg
[2024-11-23 23:15:10,000 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-23 23:15:10,000 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 23:15:10,000 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-23 23:15:10,000 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-23 23:15:10,003 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:15:09" (3/4) ...
[2024-11-23 23:15:10,005 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-11-23 23:15:10,006 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 23:15:10,007 INFO L158 Benchmark]: Toolchain (without parser) took 1809.88ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 82.8MB in the end (delta: 8.9MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB.
[2024-11-23 23:15:10,008 INFO L158 Benchmark]: CDTParser took 0.42ms. 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 23:15:10,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 624.68ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 72.6MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-23 23:15:10,008 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.77ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 70.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:15:10,009 INFO L158 Benchmark]: Boogie Preprocessor took 47.17ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 69.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:15:10,009 INFO L158 Benchmark]: RCFGBuilder took 585.68ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 50.1MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-23 23:15:10,009 INFO L158 Benchmark]: TraceAbstraction took 488.84ms. Allocated memory is still 117.4MB. Free memory was 49.2MB in the beginning and 83.1MB in the end (delta: -33.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:15:10,010 INFO L158 Benchmark]: Witness Printer took 5.66ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 82.8MB in the end (delta: 290.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:15:10,014 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 624.68ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 72.6MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 49.77ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 70.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 47.17ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 69.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 585.68ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 50.1MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 488.84ms. Allocated memory is still 117.4MB. Free memory was 49.2MB in the beginning and 83.1MB in the end (delta: -33.8MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 5.66ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 82.8MB in the end (delta: 290.9kB). Peak memory consumption was 8.4MB. 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:
[L682] 0 int glob1 = 0;
[L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L697] 0 pthread_t id;
[L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0))
VAL [glob1=0, id=-1, mutex1={3:0}]
[L685] 1 int t = __VERIFIER_nondet_int();
[L687] COND FALSE 1 !(t == 42)
[L690] 1 t = glob1
[L691] CALL 1 __VERIFIER_assert(!(t == 0))
[L19] COND TRUE 1 !(cond)
[L19] CALL 1 reach_error()
[L18] COND FALSE 1 !(0)
VAL [glob1=0, mutex1={3:0}]
[L18] 1 __assert_fail ("0", "13-privatized_18-first-reads_unknown_1_neg.c", 3, __extension__ __PRETTY_FUNCTION__)
VAL [glob1=0, mutex1={3:0}]
- UnprovableResult [Line: 696]: Unable to prove that all allocated memory was freed
Unable to prove that all allocated memory was freed
Reason: Not analyzed.
- UnprovableResult [Line: 698]: 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, 37 locations, 4 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 23:15:10,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/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_aceaa036-1811-4a3c-9f37-c77001094e2d/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/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_aceaa036-1811-4a3c-9f37-c77001094e2d/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 db89c87a20c604c9441b7de7f477400cd6fc4624b5ed335b5e7cd959bb73911d
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 23:15:12,809 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 23:15:12,926 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf
[2024-11-23 23:15:12,935 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 23:15:12,936 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 23:15:12,972 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 23:15:12,973 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 23:15:12,973 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 23:15:12,973 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 23:15:12,974 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-23 23:15:12,974 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 23:15:12,975 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 23:15:12,975 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 23:15:12,975 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 23:15:12,975 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 23:15:12,975 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 23:15:12,975 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 23:15:12,975 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 23:15:12,976 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 23:15:12,976 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 23:15:12,976 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2024-11-23 23:15:12,976 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2024-11-23 23:15:12,976 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2024-11-23 23:15:12,977 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 23:15:12,977 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-23 23:15:12,977 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-23 23:15:12,977 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-23 23:15:12,977 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-23 23:15:12,977 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 23:15:12,977 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 23:15:12,978 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 23:15:12,978 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 23:15:12,978 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:15:12,978 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:15:12,978 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:15:12,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:15:12,979 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 23:15:12,979 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:15:12,979 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:15:12,979 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:15:12,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:15:12,979 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 23:15:12,979 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 23:15:12,980 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-11-23 23:15:12,980 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-23 23:15:12,980 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 23:15:12,980 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 23:15:12,980 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 23:15:12,980 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 23:15:12,980 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_aceaa036-1811-4a3c-9f37-c77001094e2d/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 -> db89c87a20c604c9441b7de7f477400cd6fc4624b5ed335b5e7cd959bb73911d
[2024-11-23 23:15:13,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 23:15:13,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 23:15:13,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 23:15:13,338 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 23:15:13,338 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 23:15:13,339 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i
[2024-11-23 23:15:16,547 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/bin/uautomizer-verify-LYvppIcaGC/data/7126ec332/cac991e3bfa9435b94af8da82e46d1d7/FLAGc77723754
[2024-11-23 23:15:16,820 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 23:15:16,820 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i
[2024-11-23 23:15:16,839 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/bin/uautomizer-verify-LYvppIcaGC/data/7126ec332/cac991e3bfa9435b94af8da82e46d1d7/FLAGc77723754
[2024-11-23 23:15:16,855 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/bin/uautomizer-verify-LYvppIcaGC/data/7126ec332/cac991e3bfa9435b94af8da82e46d1d7
[2024-11-23 23:15:16,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 23:15:16,859 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 23:15:16,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 23:15:16,860 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 23:15:16,865 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 23:15:16,866 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:15:16" (1/1) ...
[2024-11-23 23:15:16,867 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fa4d60b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:16, skipping insertion in model container
[2024-11-23 23:15:16,867 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:15:16" (1/1) ...
[2024-11-23 23:15:16,897 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 23:15:17,265 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:15:17,285 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 23:15:17,331 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:15:17,373 INFO L204 MainTranslator]: Completed translation
[2024-11-23 23:15:17,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:17 WrapperNode
[2024-11-23 23:15:17,374 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 23:15:17,375 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 23:15:17,375 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 23:15:17,375 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 23:15:17,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:17" (1/1) ...
[2024-11-23 23:15:17,395 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:17" (1/1) ...
[2024-11-23 23:15:17,421 INFO L138 Inliner]: procedures = 167, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57
[2024-11-23 23:15:17,422 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 23:15:17,422 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 23:15:17,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 23:15:17,422 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 23:15:17,431 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:17" (1/1) ...
[2024-11-23 23:15:17,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:17" (1/1) ...
[2024-11-23 23:15:17,434 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:17" (1/1) ...
[2024-11-23 23:15:17,445 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5]. The 0 writes are split as follows [0, 0].
[2024-11-23 23:15:17,446 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:17" (1/1) ...
[2024-11-23 23:15:17,446 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:17" (1/1) ...
[2024-11-23 23:15:17,452 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:17" (1/1) ...
[2024-11-23 23:15:17,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:17" (1/1) ...
[2024-11-23 23:15:17,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:17" (1/1) ...
[2024-11-23 23:15:17,456 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:17" (1/1) ...
[2024-11-23 23:15:17,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:17" (1/1) ...
[2024-11-23 23:15:17,460 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 23:15:17,461 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 23:15:17,461 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 23:15:17,461 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 23:15:17,463 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:17" (1/1) ...
[2024-11-23 23:15:17,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:15:17,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:15:17,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 23:15:17,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 23:15:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-11-23 23:15:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 23:15:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2024-11-23 23:15:17,518 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2024-11-23 23:15:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-23 23:15:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-23 23:15:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0
[2024-11-23 23:15:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1
[2024-11-23 23:15:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-11-23 23:15:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 23:15:17,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 23:15:17,521 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 23:15:17,658 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 23:15:17,661 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 23:15:17,850 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-23 23:15:17,850 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 23:15:18,016 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 23:15:18,016 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-23 23:15:18,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:15:18 BoogieIcfgContainer
[2024-11-23 23:15:18,016 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 23:15:18,018 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 23:15:18,018 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 23:15:18,024 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 23:15:18,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:15:16" (1/3) ...
[2024-11-23 23:15:18,024 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6380968b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:15:18, skipping insertion in model container
[2024-11-23 23:15:18,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:15:17" (2/3) ...
[2024-11-23 23:15:18,025 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6380968b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:15:18, skipping insertion in model container
[2024-11-23 23:15:18,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:15:18" (3/3) ...
[2024-11-23 23:15:18,026 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_1_neg.i
[2024-11-23 23:15:18,042 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 23:15:18,044 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_18-first-reads_unknown_1_neg.i that has 2 procedures, 24 locations, 1 initial locations, 0 loop locations, and 2 error locations.
[2024-11-23 23:15:18,044 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-23 23:15:18,095 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2024-11-23 23:15:18,139 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 27 places, 25 transitions, 57 flow
[2024-11-23 23:15:18,168 INFO L124 PetriNetUnfolderBase]: 2/24 cut-off events.
[2024-11-23 23:15:18,170 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-23 23:15:18,174 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 24 events. 2/24 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 25 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 18. Up to 2 conditions per place.
[2024-11-23 23:15:18,174 INFO L82 GeneralOperation]: Start removeDead. Operand has 27 places, 25 transitions, 57 flow
[2024-11-23 23:15:18,177 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 25 places, 23 transitions, 52 flow
[2024-11-23 23:15:18,194 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 23:15:18,213 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;@7e890dd2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 23:15:18,213 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-11-23 23:15:18,228 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 23:15:18,228 INFO L124 PetriNetUnfolderBase]: 2/18 cut-off events.
[2024-11-23 23:15:18,228 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 23:15:18,229 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:15:18,229 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:15:18,230 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (and 1 more)] ===
[2024-11-23 23:15:18,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:15:18,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1676123610, now seen corresponding path program 1 times
[2024-11-23 23:15:18,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-23 23:15:18,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [617825961]
[2024-11-23 23:15:18,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:15:18,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:15:18,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:15:18,252 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 23:15:18,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-23 23:15:18,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:15:18,368 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 23:15:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:15:18,413 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace
[2024-11-23 23:15:18,415 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 23:15:18,416 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining)
[2024-11-23 23:15:18,418 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining)
[2024-11-23 23:15:18,418 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining)
[2024-11-23 23:15:18,418 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 4 remaining)
[2024-11-23 23:15:18,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-23 23:15:18,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:15:18,620 INFO L422 BasicCegarLoop]: Path program histogram: [1]
[2024-11-23 23:15:18,676 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-23 23:15:18,676 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-23 23:15:18,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:15:18 BasicIcfg
[2024-11-23 23:15:18,687 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-23 23:15:18,687 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 23:15:18,687 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-23 23:15:18,688 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-23 23:15:18,688 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:15:18" (3/4) ...
[2024-11-23 23:15:18,690 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-11-23 23:15:18,693 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 23:15:18,694 INFO L158 Benchmark]: Toolchain (without parser) took 1835.38ms. Allocated memory is still 83.9MB. Free memory was 59.4MB in the beginning and 57.2MB in the end (delta: 2.2MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB.
[2024-11-23 23:15:18,695 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:15:18,696 INFO L158 Benchmark]: CACSL2BoogieTranslator took 513.80ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 39.3MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-23 23:15:18,697 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.09ms. Allocated memory is still 83.9MB. Free memory was 39.3MB in the beginning and 37.5MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:15:18,697 INFO L158 Benchmark]: Boogie Preprocessor took 38.34ms. Allocated memory is still 83.9MB. Free memory was 37.5MB in the beginning and 35.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:15:18,697 INFO L158 Benchmark]: RCFGBuilder took 555.20ms. Allocated memory is still 83.9MB. Free memory was 35.9MB in the beginning and 45.6MB in the end (delta: -9.6MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB.
[2024-11-23 23:15:18,698 INFO L158 Benchmark]: TraceAbstraction took 668.41ms. Allocated memory is still 83.9MB. Free memory was 45.0MB in the beginning and 57.7MB in the end (delta: -12.7MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB.
[2024-11-23 23:15:18,698 INFO L158 Benchmark]: Witness Printer took 5.91ms. Allocated memory is still 83.9MB. Free memory was 57.7MB in the beginning and 57.2MB in the end (delta: 511.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:15:18,702 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.48ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 513.80ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 39.3MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 47.09ms. Allocated memory is still 83.9MB. Free memory was 39.3MB in the beginning and 37.5MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 38.34ms. Allocated memory is still 83.9MB. Free memory was 37.5MB in the beginning and 35.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 555.20ms. Allocated memory is still 83.9MB. Free memory was 35.9MB in the beginning and 45.6MB in the end (delta: -9.6MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB.
* TraceAbstraction took 668.41ms. Allocated memory is still 83.9MB. Free memory was 45.0MB in the beginning and 57.7MB in the end (delta: -12.7MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB.
* Witness Printer took 5.91ms. Allocated memory is still 83.9MB. Free memory was 57.7MB in the beginning and 57.2MB in the end (delta: 511.9kB). 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:
[L682] 0 int glob1 = 0;
[L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L697] 0 pthread_t id;
[L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0))
VAL [glob1=0, id=0, mutex1={3:0}]
[L685] 1 int t = __VERIFIER_nondet_int();
[L687] COND FALSE 1 !(t == 42)
[L690] 1 t = glob1
[L691] CALL 1 __VERIFIER_assert(!(t == 0))
[L19] COND TRUE 1 !(cond)
[L19] CALL 1 reach_error()
[L18] COND FALSE 1 !(0)
VAL [glob1=0, mutex1={3:0}]
[L18] 1 __assert_fail ("0", "13-privatized_18-first-reads_unknown_1_neg.c", 3, __extension__ __PRETTY_FUNCTION__)
VAL [glob1=0, mutex1={3:0}]
- UnprovableResult [Line: 696]: Unable to prove that all allocated memory was freed
Unable to prove that all allocated memory was freed
Reason: Not analyzed.
- UnprovableResult [Line: 698]: 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, 37 locations, 4 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 23:15:18,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aceaa036-1811-4a3c-9f37-c77001094e2d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
UNKNOWN: Overapproximated counterexample