./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_04-fld_nr.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for memory safety (deref-memtrack)
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c949f9-33ce-47e0-ab9f-e0bb3f10f64b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c949f9-33ce-47e0-ab9f-e0bb3f10f64b/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c949f9-33ce-47e0-ab9f-e0bb3f10f64b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c949f9-33ce-47e0-ab9f-e0bb3f10f64b/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_04-fld_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c949f9-33ce-47e0-ab9f-e0bb3f10f64b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c949f9-33ce-47e0-ab9f-e0bb3f10f64b/bin/uautomizer-verify-uCwYo4JHxu --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 c5a0c3d921e4198a2449efd49bc5373a4e6a5b0854f91282d4ef920b48af7e3c
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:44:15,591 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:44:15,670 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c949f9-33ce-47e0-ab9f-e0bb3f10f64b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2023-11-19 07:44:15,675 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:44:15,676 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:44:15,705 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:44:15,706 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:44:15,707 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:44:15,708 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:44:15,708 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:44:15,709 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:44:15,710 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:44:15,710 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:44:15,711 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:44:15,712 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:44:15,712 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:44:15,713 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:44:15,713 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:44:15,714 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2023-11-19 07:44:15,714 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2023-11-19 07:44:15,715 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2023-11-19 07:44:15,720 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:44:15,720 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-11-19 07:44:15,721 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:44:15,722 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:44:15,726 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:44:15,726 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:44:15,727 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:44:15,727 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:44:15,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:44:15,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:44:15,729 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:44:15,729 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:44:15,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:44:15,730 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:44:15,730 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:44:15,730 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:44:15,731 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:44:15,731 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c949f9-33ce-47e0-ab9f-e0bb3f10f64b/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c949f9-33ce-47e0-ab9f-e0bb3f10f64b/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5a0c3d921e4198a2449efd49bc5373a4e6a5b0854f91282d4ef920b48af7e3c
[2023-11-19 07:44:16,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:44:16,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:44:16,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:44:16,076 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:44:16,077 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:44:16,079 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c949f9-33ce-47e0-ab9f-e0bb3f10f64b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/goblint-regression/05-lval_ls_04-fld_nr.i
[2023-11-19 07:44:19,181 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:44:19,485 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:44:19,486 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c949f9-33ce-47e0-ab9f-e0bb3f10f64b/sv-benchmarks/c/goblint-regression/05-lval_ls_04-fld_nr.i
[2023-11-19 07:44:19,503 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c949f9-33ce-47e0-ab9f-e0bb3f10f64b/bin/uautomizer-verify-uCwYo4JHxu/data/b2e7f9d87/96d362d8b7ac4696a85008312babfe63/FLAGd1e1f64bf
[2023-11-19 07:44:19,524 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c949f9-33ce-47e0-ab9f-e0bb3f10f64b/bin/uautomizer-verify-uCwYo4JHxu/data/b2e7f9d87/96d362d8b7ac4696a85008312babfe63
[2023-11-19 07:44:19,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:44:19,537 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:44:19,539 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:44:19,539 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:44:19,550 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:44:19,554 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:19" (1/1) ...
[2023-11-19 07:44:19,555 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dff5b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:19, skipping insertion in model container
[2023-11-19 07:44:19,556 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:19" (1/1) ...
[2023-11-19 07:44:19,603 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:44:20,030 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:44:20,049 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:44:20,119 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:44:20,179 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:44:20,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:20 WrapperNode
[2023-11-19 07:44:20,180 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:44:20,181 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:44:20,181 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:44:20,182 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:44:20,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:20" (1/1) ...
[2023-11-19 07:44:20,208 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:20" (1/1) ...
[2023-11-19 07:44:20,266 INFO L138 Inliner]: procedures = 162, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38
[2023-11-19 07:44:20,266 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:44:20,267 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:44:20,267 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:44:20,267 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:44:20,277 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:20" (1/1) ...
[2023-11-19 07:44:20,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:20" (1/1) ...
[2023-11-19 07:44:20,288 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:20" (1/1) ...
[2023-11-19 07:44:20,288 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:20" (1/1) ...
[2023-11-19 07:44:20,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:20" (1/1) ...
[2023-11-19 07:44:20,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:20" (1/1) ...
[2023-11-19 07:44:20,306 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:20" (1/1) ...
[2023-11-19 07:44:20,308 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:20" (1/1) ...
[2023-11-19 07:44:20,317 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:44:20,318 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:44:20,318 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:44:20,319 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:44:20,327 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:20" (1/1) ...
[2023-11-19 07:44:20,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:44:20,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c949f9-33ce-47e0-ab9f-e0bb3f10f64b/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:44:20,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c949f9-33ce-47e0-ab9f-e0bb3f10f64b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:44:20,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c949f9-33ce-47e0-ab9f-e0bb3f10f64b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:44:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-19 07:44:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2023-11-19 07:44:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:44:20,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 07:44:20,403 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2023-11-19 07:44:20,404 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2023-11-19 07:44:20,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:44:20,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:44:20,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:44:20,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:44:20,407 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-11-19 07:44:20,533 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:44:20,535 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:44:20,714 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:44:20,722 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:44:20,723 INFO L302 CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-19 07:44:20,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:20 BoogieIcfgContainer
[2023-11-19 07:44:20,727 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:44:20,730 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:44:20,730 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:44:20,740 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:44:20,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:44:19" (1/3) ...
[2023-11-19 07:44:20,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cfec5de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:44:20, skipping insertion in model container
[2023-11-19 07:44:20,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:20" (2/3) ...
[2023-11-19 07:44:20,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cfec5de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:44:20, skipping insertion in model container
[2023-11-19 07:44:20,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:20" (3/3) ...
[2023-11-19 07:44:20,744 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_04-fld_nr.i
[2023-11-19 07:44:20,767 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:44:20,767 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations.
[2023-11-19 07:44:20,767 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-19 07:44:20,823 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2023-11-19 07:44:20,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 58 places, 54 transitions, 112 flow
[2023-11-19 07:44:20,903 INFO L124 PetriNetUnfolderBase]: 0/53 cut-off events.
[2023-11-19 07:44:20,903 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:44:20,906 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 53 events. 0/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 23 event pairs, 0 based on Foata normal form. 0/50 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.
[2023-11-19 07:44:20,907 INFO L82 GeneralOperation]: Start removeDead. Operand has 58 places, 54 transitions, 112 flow
[2023-11-19 07:44:20,911 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 52 places, 48 transitions, 99 flow
[2023-11-19 07:44:20,918 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-19 07:44:20,939 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 48 transitions, 99 flow
[2023-11-19 07:44:20,950 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 48 transitions, 99 flow
[2023-11-19 07:44:20,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 48 transitions, 99 flow
[2023-11-19 07:44:20,977 INFO L124 PetriNetUnfolderBase]: 0/48 cut-off events.
[2023-11-19 07:44:20,977 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:44:20,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 48 events. 0/48 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.
[2023-11-19 07:44:20,979 INFO L119 LiptonReduction]: Number of co-enabled transitions 216
[2023-11-19 07:44:23,072 INFO L134 LiptonReduction]: Checked pairs total: 417
[2023-11-19 07:44:23,072 INFO L136 LiptonReduction]: Total number of compositions: 44
[2023-11-19 07:44:23,087 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:44:23,094 INFO L357 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, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@28f83c73, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:44:23,094 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2023-11-19 07:44:23,096 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-11-19 07:44:23,096 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events.
[2023-11-19 07:44:23,096 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:44:23,096 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:44:23,097 INFO L208 CegarLoopForPetriNet]: trace histogram [1]
[2023-11-19 07:44:23,097 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 1 more)] ===
[2023-11-19 07:44:23,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:44:23,103 INFO L85 PathProgramCache]: Analyzing trace with hash 192, now seen corresponding path program 1 times
[2023-11-19 07:44:23,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:44:23,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884694485]
[2023-11-19 07:44:23,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:44:23,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:44:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:44:23,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:44:23,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:44:23,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884694485]
[2023-11-19 07:44:23,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884694485] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:44:23,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:44:23,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0
[2023-11-19 07:44:23,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503305527]
[2023-11-19 07:44:23,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:44:23,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 07:44:23,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:44:23,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 07:44:23,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:44:23,293 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 98
[2023-11-19 07:44:23,296 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 16 places, 12 transitions, 27 flow. Second operand has 2 states, 2 states have (on average 53.5) internal successors, (107), 2 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:44:23,296 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:44:23,296 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 98
[2023-11-19 07:44:23,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:44:23,354 INFO L124 PetriNetUnfolderBase]: 12/35 cut-off events.
[2023-11-19 07:44:23,354 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:44:23,355 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 35 events. 12/35 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 75 event pairs, 12 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 64. Up to 34 conditions per place.
[2023-11-19 07:44:23,357 INFO L140 encePairwiseOnDemand]: 96/98 looper letters, 9 selfloop transitions, 0 changer transitions 0/10 dead transitions.
[2023-11-19 07:44:23,357 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 15 places, 10 transitions, 41 flow
[2023-11-19 07:44:23,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 07:44:23,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2023-11-19 07:44:23,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 117 transitions.
[2023-11-19 07:44:23,372 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5969387755102041
[2023-11-19 07:44:23,373 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 117 transitions.
[2023-11-19 07:44:23,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 117 transitions.
[2023-11-19 07:44:23,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:44:23,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 117 transitions.
[2023-11-19 07:44:23,383 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 58.5) internal successors, (117), 2 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:44:23,392 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:44:23,393 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:44:23,395 INFO L175 Difference]: Start difference. First operand has 16 places, 12 transitions, 27 flow. Second operand 2 states and 117 transitions.
[2023-11-19 07:44:23,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 15 places, 10 transitions, 41 flow
[2023-11-19 07:44:23,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 14 places, 10 transitions, 40 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-11-19 07:44:23,400 INFO L231 Difference]: Finished difference. Result has 14 places, 10 transitions, 22 flow
[2023-11-19 07:44:23,402 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=22, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=10, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=22, PETRI_PLACES=14, PETRI_TRANSITIONS=10}
[2023-11-19 07:44:23,407 INFO L281 CegarLoopForPetriNet]: 16 programPoint places, -2 predicate places.
[2023-11-19 07:44:23,407 INFO L495 AbstractCegarLoop]: Abstraction has has 14 places, 10 transitions, 22 flow
[2023-11-19 07:44:23,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 53.5) internal successors, (107), 2 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:44:23,408 INFO L200 CegarLoopForPetriNet]: Found error trace
[2023-11-19 07:44:23,408 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-11-19 07:44:23,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:44:23,408 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 1 more)] ===
[2023-11-19 07:44:23,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:44:23,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1286746194, now seen corresponding path program 1 times
[2023-11-19 07:44:23,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:44:23,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177269069]
[2023-11-19 07:44:23,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:44:23,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:44:23,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:44:23,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:44:23,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:44:23,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177269069]
[2023-11-19 07:44:23,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177269069] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:44:23,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:44:23,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2023-11-19 07:44:23,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654397135]
[2023-11-19 07:44:23,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:44:23,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:44:23,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:44:23,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:44:23,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:44:23,760 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 98
[2023-11-19 07:44:23,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 14 places, 10 transitions, 22 flow. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:44:23,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-19 07:44:23,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 98
[2023-11-19 07:44:23,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-19 07:44:23,780 INFO L124 PetriNetUnfolderBase]: 8/26 cut-off events.
[2023-11-19 07:44:23,780 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-19 07:44:23,781 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 26 events. 8/26 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 44 event pairs, 8 based on Foata normal form. 4/30 useless extension candidates. Maximal degree in co-relation 52. Up to 24 conditions per place.
[2023-11-19 07:44:23,781 INFO L140 encePairwiseOnDemand]: 96/98 looper letters, 0 selfloop transitions, 0 changer transitions 9/9 dead transitions.
[2023-11-19 07:44:23,781 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 15 places, 9 transitions, 36 flow
[2023-11-19 07:44:23,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:44:23,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-19 07:44:23,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 153 transitions.
[2023-11-19 07:44:23,785 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5204081632653061
[2023-11-19 07:44:23,785 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 153 transitions.
[2023-11-19 07:44:23,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 153 transitions.
[2023-11-19 07:44:23,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-19 07:44:23,786 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 153 transitions.
[2023-11-19 07:44:23,787 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:44:23,789 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:44:23,789 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:44:23,789 INFO L175 Difference]: Start difference. First operand has 14 places, 10 transitions, 22 flow. Second operand 3 states and 153 transitions.
[2023-11-19 07:44:23,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 15 places, 9 transitions, 36 flow
[2023-11-19 07:44:23,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 15 places, 9 transitions, 36 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-19 07:44:23,790 INFO L231 Difference]: Finished difference. Result has 15 places, 0 transitions, 0 flow
[2023-11-19 07:44:23,791 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=20, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=9, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=15, PETRI_TRANSITIONS=0}
[2023-11-19 07:44:23,792 INFO L281 CegarLoopForPetriNet]: 16 programPoint places, -1 predicate places.
[2023-11-19 07:44:23,792 INFO L495 AbstractCegarLoop]: Abstraction has has 15 places, 0 transitions, 0 flow
[2023-11-19 07:44:23,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:44:23,795 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 4 remaining)
[2023-11-19 07:44:23,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 4 remaining)
[2023-11-19 07:44:23,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (1 of 4 remaining)
[2023-11-19 07:44:23,796 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining)
[2023-11-19 07:44:23,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:44:23,797 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1]
[2023-11-19 07:44:23,801 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-11-19 07:44:23,801 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:44:23,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:44:23 BasicIcfg
[2023-11-19 07:44:23,806 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:44:23,806 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:44:23,807 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:44:23,807 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 07:44:23,807 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:20" (3/4) ...
[2023-11-19 07:44:23,809 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:44:23,814 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun
[2023-11-19 07:44:23,818 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2023-11-19 07:44:23,819 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2023-11-19 07:44:23,819 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-19 07:44:23,903 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c949f9-33ce-47e0-ab9f-e0bb3f10f64b/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:44:23,903 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c949f9-33ce-47e0-ab9f-e0bb3f10f64b/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:44:23,903 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:44:23,904 INFO L158 Benchmark]: Toolchain (without parser) took 4366.93ms. Allocated memory was 115.3MB in the beginning and 148.9MB in the end (delta: 33.6MB). Free memory was 69.3MB in the beginning and 55.2MB in the end (delta: 14.1MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB.
[2023-11-19 07:44:23,905 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 115.3MB. Free memory is still 71.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:44:23,905 INFO L158 Benchmark]: CACSL2BoogieTranslator took 641.16ms. Allocated memory is still 115.3MB. Free memory was 69.3MB in the beginning and 50.5MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2023-11-19 07:44:23,906 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.10ms. Allocated memory was 115.3MB in the beginning and 148.9MB in the end (delta: 33.6MB). Free memory was 50.5MB in the beginning and 119.4MB in the end (delta: -68.9MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB.
[2023-11-19 07:44:23,906 INFO L158 Benchmark]: Boogie Preprocessor took 50.06ms. Allocated memory is still 148.9MB. Free memory was 119.4MB in the beginning and 118.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:44:23,907 INFO L158 Benchmark]: RCFGBuilder took 408.79ms. Allocated memory is still 148.9MB. Free memory was 117.9MB in the beginning and 107.4MB in the end (delta: 10.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-11-19 07:44:23,907 INFO L158 Benchmark]: TraceAbstraction took 3076.06ms. Allocated memory is still 148.9MB. Free memory was 106.6MB in the beginning and 59.4MB in the end (delta: 47.2MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB.
[2023-11-19 07:44:23,908 INFO L158 Benchmark]: Witness Printer took 97.25ms. Allocated memory is still 148.9MB. Free memory was 59.4MB in the beginning and 55.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 07:44:23,910 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.36ms. Allocated memory is still 115.3MB. Free memory is still 71.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 641.16ms. Allocated memory is still 115.3MB. Free memory was 69.3MB in the beginning and 50.5MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 85.10ms. Allocated memory was 115.3MB in the beginning and 148.9MB in the end (delta: 33.6MB). Free memory was 50.5MB in the beginning and 119.4MB in the end (delta: -68.9MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 50.06ms. Allocated memory is still 148.9MB. Free memory was 119.4MB in the beginning and 118.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 408.79ms. Allocated memory is still 148.9MB. Free memory was 117.9MB in the beginning and 107.4MB in the end (delta: 10.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 3076.06ms. Allocated memory is still 148.9MB. Free memory was 106.6MB in the beginning and 59.4MB in the end (delta: 47.2MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB.
* Witness Printer took 97.25ms. Allocated memory is still 148.9MB. Free memory was 59.4MB in the beginning and 55.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 2.1s, 52 PlacesBefore, 16 PlacesAfterwards, 48 TransitionsBefore, 12 TransitionsAfterwards, 216 CoEnabledTransitionPairs, 5 FixpointIterations, 31 TrivialSequentialCompositions, 13 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 44 TotalNumberOfCompositions, 417 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 263, independent: 200, independent conditional: 0, independent unconditional: 200, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 119, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 263, independent: 92, independent conditional: 0, independent unconditional: 92, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 119, unknown conditional: 0, unknown unconditional: 119] , Statistics on independence cache: Total cache size (in pairs): 13, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: -1]: pointer dereference always succeeds
For all program executions holds that pointer dereference always succeeds at this location
- PositiveResult [Line: 690]: all allocated memory was freed
For all program executions holds that all allocated memory was freed at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 3 procedures, 66 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: 2.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 14 mSDtfsCounter, 45 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
3 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:44:23,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0c949f9-33ce-47e0-ab9f-e0bb3f10f64b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE