./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 d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/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_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1 --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-d790fec
[2024-12-02 06:34:31,021 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 06:34:31,079 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2024-12-02 06:34:31,084 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 06:34:31,084 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 06:34:31,106 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 06:34:31,106 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 06:34:31,107 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 06:34:31,107 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 06:34:31,107 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 06:34:31,107 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 06:34:31,107 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 06:34:31,108 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 06:34:31,108 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 06:34:31,108 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 06:34:31,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 06:34:31,108 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 06:34:31,108 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 06:34:31,108 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 06:34:31,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 06:34:31,108 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2024-12-02 06:34:31,109 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2024-12-02 06:34:31,109 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2024-12-02 06:34:31,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 06:34:31,109 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-12-02 06:34:31,109 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 06:34:31,109 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 06:34:31,109 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 06:34:31,109 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 06:34:31,109 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 06:34:31,109 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:34:31,109 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:34:31,109 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 06:34:31,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:34:31,110 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 06:34:31,110 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:34:31,110 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:34:31,110 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 06:34:31,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:34:31,110 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 06:34:31,110 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 06:34:31,110 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 06:34:31,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 06:34:31,110 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 06:34:31,111 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 06:34:31,111 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 06:34:31,111 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 06:34:31,111 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_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1
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
[2024-12-02 06:34:31,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 06:34:31,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 06:34:31,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 06:34:31,380 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 06:34:31,381 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 06:34:31,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i
[2024-12-02 06:34:34,075 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/data/22b53f490/1ef026118d954a22afd7c361ee150b61/FLAG2c8a11d6f
[2024-12-02 06:34:34,370 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 06:34:34,371 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i
[2024-12-02 06:34:34,385 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/data/22b53f490/1ef026118d954a22afd7c361ee150b61/FLAG2c8a11d6f
[2024-12-02 06:34:34,675 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/data/22b53f490/1ef026118d954a22afd7c361ee150b61
[2024-12-02 06:34:34,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 06:34:34,679 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 06:34:34,680 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 06:34:34,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 06:34:34,684 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 06:34:34,685 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:34:34" (1/1) ...
[2024-12-02 06:34:34,686 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65cff31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:34, skipping insertion in model container
[2024-12-02 06:34:34,686 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:34:34" (1/1) ...
[2024-12-02 06:34:34,714 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 06:34:34,950 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:34:34,966 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 06:34:35,011 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:34:35,044 INFO L204 MainTranslator]: Completed translation
[2024-12-02 06:34:35,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:35 WrapperNode
[2024-12-02 06:34:35,045 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 06:34:35,046 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 06:34:35,046 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 06:34:35,046 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 06:34:35,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:35" (1/1) ...
[2024-12-02 06:34:35,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:35" (1/1) ...
[2024-12-02 06:34:35,078 INFO L138 Inliner]: procedures = 163, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57
[2024-12-02 06:34:35,078 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 06:34:35,079 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 06:34:35,079 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 06:34:35,079 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 06:34:35,087 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:35" (1/1) ...
[2024-12-02 06:34:35,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:35" (1/1) ...
[2024-12-02 06:34:35,090 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:35" (1/1) ...
[2024-12-02 06:34:35,104 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].
[2024-12-02 06:34:35,104 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:35" (1/1) ...
[2024-12-02 06:34:35,104 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:35" (1/1) ...
[2024-12-02 06:34:35,109 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:35" (1/1) ...
[2024-12-02 06:34:35,110 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:35" (1/1) ...
[2024-12-02 06:34:35,112 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:35" (1/1) ...
[2024-12-02 06:34:35,113 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:35" (1/1) ...
[2024-12-02 06:34:35,114 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:35" (1/1) ...
[2024-12-02 06:34:35,116 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 06:34:35,117 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 06:34:35,117 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 06:34:35,117 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 06:34:35,118 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:35" (1/1) ...
[2024-12-02 06:34:35,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:34:35,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:34:35,146 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 06:34:35,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 06:34:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-12-02 06:34:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 06:34:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2024-12-02 06:34:35,172 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2024-12-02 06:34:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 06:34:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-12-02 06:34:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-12-02 06:34:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 06:34:35,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 06:34:35,174 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-12-02 06:34:35,280 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 06:34:35,282 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 06:34:35,404 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-12-02 06:34:35,404 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 06:34:35,496 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 06:34:35,496 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-02 06:34:35,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:34:35 BoogieIcfgContainer
[2024-12-02 06:34:35,497 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 06:34:35,499 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 06:34:35,499 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 06:34:35,505 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 06:34:35,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:34:34" (1/3) ...
[2024-12-02 06:34:35,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33c02a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:34:35, skipping insertion in model container
[2024-12-02 06:34:35,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:35" (2/3) ...
[2024-12-02 06:34:35,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33c02a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:34:35, skipping insertion in model container
[2024-12-02 06:34:35,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:34:35" (3/3) ...
[2024-12-02 06:34:35,508 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_1_neg.i
[2024-12-02 06:34:35,524 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 06:34:35,525 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.
[2024-12-02 06:34:35,526 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-12-02 06:34:35,563 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2024-12-02 06:34:35,599 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 27 places, 25 transitions, 57 flow
[2024-12-02 06:34:35,629 INFO L124 PetriNetUnfolderBase]: 2/24 cut-off events.
[2024-12-02 06:34:35,631 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-12-02 06:34:35,635 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.
[2024-12-02 06:34:35,635 INFO L82 GeneralOperation]: Start removeDead. Operand has 27 places, 25 transitions, 57 flow
[2024-12-02 06:34:35,638 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 25 places, 23 transitions, 52 flow
[2024-12-02 06:34:35,647 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 06:34:35,658 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;@1cad874e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 06:34:35,658 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-12-02 06:34:35,666 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-12-02 06:34:35,667 INFO L124 PetriNetUnfolderBase]: 2/18 cut-off events.
[2024-12-02 06:34:35,667 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 06:34:35,667 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 06:34:35,667 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:34:35,668 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)] ===
[2024-12-02 06:34:35,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:34:35,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1676123610, now seen corresponding path program 1 times
[2024-12-02 06:34:35,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:34:35,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584836395]
[2024-12-02 06:34:35,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:34:35,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:34:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:34:35,793 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 06:34:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:34:35,825 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 06:34:35,826 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 06:34:35,827 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining)
[2024-12-02 06:34:35,828 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining)
[2024-12-02 06:34:35,829 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining)
[2024-12-02 06:34:35,829 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 4 remaining)
[2024-12-02 06:34:35,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 06:34:35,830 INFO L422 BasicCegarLoop]: Path program histogram: [1]
[2024-12-02 06:34:35,850 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-12-02 06:34:35,851 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 06:34:35,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:34:35 BasicIcfg
[2024-12-02 06:34:35,856 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 06:34:35,856 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 06:34:35,856 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 06:34:35,857 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 06:34:35,857 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:34:35" (3/4) ...
[2024-12-02 06:34:35,859 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-12-02 06:34:35,860 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 06:34:35,861 INFO L158 Benchmark]: Toolchain (without parser) took 1182.26ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 83.0MB in the end (delta: 8.9MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB.
[2024-12-02 06:34:35,862 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 73.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:34:35,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.11ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 72.6MB in the end (delta: 19.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 06:34:35,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.56ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 71.1MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 06:34:35,863 INFO L158 Benchmark]: Boogie Preprocessor took 36.86ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 69.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:34:35,863 INFO L158 Benchmark]: RCFGBuilder took 380.23ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 50.5MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 06:34:35,864 INFO L158 Benchmark]: TraceAbstraction took 356.40ms. Allocated memory is still 117.4MB. Free memory was 49.9MB in the beginning and 83.2MB in the end (delta: -33.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:34:35,864 INFO L158 Benchmark]: Witness Printer took 3.87ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 83.0MB in the end (delta: 187.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 06:34:35,866 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 73.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 365.11ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 72.6MB in the end (delta: 19.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 32.56ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 71.1MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 36.86ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 69.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 380.23ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 50.5MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 356.40ms. Allocated memory is still 117.4MB. Free memory was 49.9MB in the beginning and 83.2MB in the end (delta: -33.3MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 3.87ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 83.0MB in the end (delta: 187.1kB). 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: 0.2s, 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
[2024-12-02 06:34:35,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/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_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/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_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1 --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-d790fec
[2024-12-02 06:34:37,992 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 06:34:38,091 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf
[2024-12-02 06:34:38,097 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 06:34:38,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 06:34:38,123 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 06:34:38,124 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 06:34:38,124 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 06:34:38,124 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 06:34:38,124 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 06:34:38,124 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 06:34:38,125 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 06:34:38,125 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 06:34:38,125 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 06:34:38,125 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 06:34:38,125 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 06:34:38,125 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 06:34:38,125 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 06:34:38,126 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 06:34:38,126 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 06:34:38,126 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2024-12-02 06:34:38,126 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2024-12-02 06:34:38,126 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2024-12-02 06:34:38,126 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 06:34:38,126 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-12-02 06:34:38,126 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-12-02 06:34:38,126 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-12-02 06:34:38,126 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 06:34:38,126 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 06:34:38,126 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 06:34:38,126 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 06:34:38,127 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 06:34:38,127 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:34:38,127 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:34:38,127 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 06:34:38,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:34:38,127 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 06:34:38,127 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:34:38,127 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:34:38,127 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 06:34:38,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:34:38,128 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 06:34:38,128 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 06:34:38,128 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-12-02 06:34:38,128 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-12-02 06:34:38,128 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 06:34:38,128 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 06:34:38,128 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 06:34:38,128 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 06:34:38,128 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_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1
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
[2024-12-02 06:34:38,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 06:34:38,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 06:34:38,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 06:34:38,424 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 06:34:38,424 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 06:34:38,426 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i
[2024-12-02 06:34:41,265 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/data/4c84fa19a/a8cd8a5c08ac468db4fc2fcc4165505e/FLAGa3dcf8da8
[2024-12-02 06:34:41,511 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 06:34:41,511 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i
[2024-12-02 06:34:41,522 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/data/4c84fa19a/a8cd8a5c08ac468db4fc2fcc4165505e/FLAGa3dcf8da8
[2024-12-02 06:34:41,534 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/data/4c84fa19a/a8cd8a5c08ac468db4fc2fcc4165505e
[2024-12-02 06:34:41,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 06:34:41,538 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 06:34:41,539 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 06:34:41,540 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 06:34:41,543 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 06:34:41,544 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:34:41" (1/1) ...
[2024-12-02 06:34:41,545 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33747a0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:41, skipping insertion in model container
[2024-12-02 06:34:41,545 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:34:41" (1/1) ...
[2024-12-02 06:34:41,573 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 06:34:41,832 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:34:41,850 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 06:34:41,899 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:34:41,944 INFO L204 MainTranslator]: Completed translation
[2024-12-02 06:34:41,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:41 WrapperNode
[2024-12-02 06:34:41,945 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 06:34:41,946 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 06:34:41,946 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 06:34:41,946 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 06:34:41,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:41" (1/1) ...
[2024-12-02 06:34:41,968 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:41" (1/1) ...
[2024-12-02 06:34:41,986 INFO L138 Inliner]: procedures = 167, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57
[2024-12-02 06:34:41,987 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 06:34:41,987 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 06:34:41,987 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 06:34:41,987 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 06:34:41,997 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:41" (1/1) ...
[2024-12-02 06:34:41,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:41" (1/1) ...
[2024-12-02 06:34:42,000 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:41" (1/1) ...
[2024-12-02 06:34:42,015 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].
[2024-12-02 06:34:42,016 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:41" (1/1) ...
[2024-12-02 06:34:42,016 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:41" (1/1) ...
[2024-12-02 06:34:42,022 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:41" (1/1) ...
[2024-12-02 06:34:42,023 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:41" (1/1) ...
[2024-12-02 06:34:42,025 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:41" (1/1) ...
[2024-12-02 06:34:42,027 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:41" (1/1) ...
[2024-12-02 06:34:42,028 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:41" (1/1) ...
[2024-12-02 06:34:42,030 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 06:34:42,031 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 06:34:42,031 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 06:34:42,031 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 06:34:42,032 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:41" (1/1) ...
[2024-12-02 06:34:42,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:34:42,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:34:42,067 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 06:34:42,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 06:34:42,099 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-12-02 06:34:42,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 06:34:42,100 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2024-12-02 06:34:42,100 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2024-12-02 06:34:42,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-12-02 06:34:42,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-12-02 06:34:42,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0
[2024-12-02 06:34:42,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1
[2024-12-02 06:34:42,100 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-12-02 06:34:42,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 06:34:42,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 06:34:42,102 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-12-02 06:34:42,224 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 06:34:42,226 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 06:34:42,362 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-12-02 06:34:42,362 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 06:34:42,479 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 06:34:42,479 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-02 06:34:42,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:34:42 BoogieIcfgContainer
[2024-12-02 06:34:42,479 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 06:34:42,482 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 06:34:42,482 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 06:34:42,487 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 06:34:42,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:34:41" (1/3) ...
[2024-12-02 06:34:42,488 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c10b409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:34:42, skipping insertion in model container
[2024-12-02 06:34:42,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:34:41" (2/3) ...
[2024-12-02 06:34:42,488 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c10b409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:34:42, skipping insertion in model container
[2024-12-02 06:34:42,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:34:42" (3/3) ...
[2024-12-02 06:34:42,489 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_1_neg.i
[2024-12-02 06:34:42,505 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 06:34:42,506 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.
[2024-12-02 06:34:42,506 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-12-02 06:34:42,546 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2024-12-02 06:34:42,579 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 27 places, 25 transitions, 57 flow
[2024-12-02 06:34:42,609 INFO L124 PetriNetUnfolderBase]: 2/24 cut-off events.
[2024-12-02 06:34:42,611 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-12-02 06:34:42,615 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.
[2024-12-02 06:34:42,615 INFO L82 GeneralOperation]: Start removeDead. Operand has 27 places, 25 transitions, 57 flow
[2024-12-02 06:34:42,618 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 25 places, 23 transitions, 52 flow
[2024-12-02 06:34:42,623 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 06:34:42,634 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;@62e32c4f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 06:34:42,634 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-12-02 06:34:42,643 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-12-02 06:34:42,643 INFO L124 PetriNetUnfolderBase]: 2/18 cut-off events.
[2024-12-02 06:34:42,643 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 06:34:42,643 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-12-02 06:34:42,644 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:34:42,644 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)] ===
[2024-12-02 06:34:42,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:34:42,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1676123610, now seen corresponding path program 1 times
[2024-12-02 06:34:42,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 06:34:42,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [196091]
[2024-12-02 06:34:42,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:34:42,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:34:42,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:34:42,670 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:34:42,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 06:34:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:34:42,756 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 06:34:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:34:42,789 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace
[2024-12-02 06:34:42,791 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 06:34:42,792 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining)
[2024-12-02 06:34:42,794 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining)
[2024-12-02 06:34:42,794 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining)
[2024-12-02 06:34:42,794 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 4 remaining)
[2024-12-02 06:34:42,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 06:34:42,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:34:42,995 INFO L422 BasicCegarLoop]: Path program histogram: [1]
[2024-12-02 06:34:43,018 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-12-02 06:34:43,018 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 06:34:43,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:34:43 BasicIcfg
[2024-12-02 06:34:43,023 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 06:34:43,024 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 06:34:43,024 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 06:34:43,024 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 06:34:43,025 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:34:42" (3/4) ...
[2024-12-02 06:34:43,027 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-12-02 06:34:43,028 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 06:34:43,029 INFO L158 Benchmark]: Toolchain (without parser) took 1490.82ms. Allocated memory is still 92.3MB. Free memory was 68.4MB in the beginning and 58.1MB in the end (delta: 10.3MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB.
[2024-12-02 06:34:43,029 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:34:43,029 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.79ms. Allocated memory is still 92.3MB. Free memory was 68.3MB in the beginning and 48.3MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 06:34:43,030 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.85ms. Allocated memory is still 92.3MB. Free memory was 48.3MB in the beginning and 46.7MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 06:34:43,030 INFO L158 Benchmark]: Boogie Preprocessor took 43.07ms. Allocated memory is still 92.3MB. Free memory was 46.7MB in the beginning and 44.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:34:43,031 INFO L158 Benchmark]: RCFGBuilder took 448.65ms. Allocated memory is still 92.3MB. Free memory was 44.9MB in the beginning and 47.4MB in the end (delta: -2.5MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB.
[2024-12-02 06:34:43,031 INFO L158 Benchmark]: TraceAbstraction took 541.78ms. Allocated memory is still 92.3MB. Free memory was 46.8MB in the beginning and 58.1MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:34:43,031 INFO L158 Benchmark]: Witness Printer took 3.63ms. Allocated memory is still 92.3MB. Free memory is still 58.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:34:43,034 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 405.79ms. Allocated memory is still 92.3MB. Free memory was 68.3MB in the beginning and 48.3MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 40.85ms. Allocated memory is still 92.3MB. Free memory was 48.3MB in the beginning and 46.7MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 43.07ms. Allocated memory is still 92.3MB. Free memory was 46.7MB in the beginning and 44.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 448.65ms. Allocated memory is still 92.3MB. Free memory was 44.9MB in the beginning and 47.4MB in the end (delta: -2.5MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB.
* TraceAbstraction took 541.78ms. Allocated memory is still 92.3MB. Free memory was 46.8MB in the beginning and 58.1MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 3.63ms. Allocated memory is still 92.3MB. Free memory is still 58.1MB. 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, 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
[2024-12-02 06:34:43,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9993518c-f84a-4324-89d2-04fe96234a8a/bin/uautomizer-verify-84ZbGMXZE1/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