./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/singleton.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 4e7fbc69
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_7919a604-8f63-4d23-947e-841da5bdfaee/bin/ugemcutter-1C6z4D84am/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7919a604-8f63-4d23-947e-841da5bdfaee/bin/ugemcutter-1C6z4D84am/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7919a604-8f63-4d23-947e-841da5bdfaee/bin/ugemcutter-1C6z4D84am/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7919a604-8f63-4d23-947e-841da5bdfaee/bin/ugemcutter-1C6z4D84am/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7919a604-8f63-4d23-947e-841da5bdfaee/bin/ugemcutter-1C6z4D84am/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7919a604-8f63-4d23-947e-841da5bdfaee/bin/ugemcutter-1C6z4D84am --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-4e7fbc6
[2022-11-23 06:48:07,864 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-23 06:48:07,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-23 06:48:07,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-23 06:48:07,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-23 06:48:07,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-23 06:48:07,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-23 06:48:07,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-23 06:48:07,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-23 06:48:07,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-23 06:48:07,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-23 06:48:07,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-23 06:48:07,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-23 06:48:07,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-23 06:48:07,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-23 06:48:07,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-23 06:48:07,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-23 06:48:07,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-23 06:48:07,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-23 06:48:07,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-23 06:48:07,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-23 06:48:07,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-23 06:48:07,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-23 06:48:07,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-23 06:48:07,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-23 06:48:07,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-23 06:48:07,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-23 06:48:07,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-23 06:48:07,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-23 06:48:07,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-23 06:48:07,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-23 06:48:07,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-23 06:48:07,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-23 06:48:07,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-23 06:48:07,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-23 06:48:07,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-23 06:48:07,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-23 06:48:07,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-23 06:48:07,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-23 06:48:07,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-23 06:48:07,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-23 06:48:07,940 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7919a604-8f63-4d23-947e-841da5bdfaee/bin/ugemcutter-1C6z4D84am/config/svcomp-Overflow-32bit-GemCutter_Default.epf
[2022-11-23 06:48:07,967 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-23 06:48:07,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-23 06:48:07,968 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-23 06:48:07,968 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-23 06:48:07,969 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-23 06:48:07,969 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-23 06:48:07,970 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-23 06:48:07,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-23 06:48:07,971 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-23 06:48:07,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-23 06:48:07,972 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-23 06:48:07,972 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-11-23 06:48:07,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-23 06:48:07,973 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-23 06:48:07,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-23 06:48:07,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-23 06:48:07,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-23 06:48:07,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-23 06:48:07,984 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true
[2022-11-23 06:48:07,984 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-23 06:48:07,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-23 06:48:07,985 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-23 06:48:07,985 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-23 06:48:07,986 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-23 06:48:07,986 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-23 06:48:07,986 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-23 06:48:07,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-23 06:48:07,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-23 06:48:07,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-23 06:48:07,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-23 06:48:07,989 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-23 06:48:07,990 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP
[2022-11-23 06:48:07,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-23 06:48:07,991 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-23 06:48:07,991 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL
[2022-11-23 06:48:07,991 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-11-23 06:48:07,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-23 06:48:07,993 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2022-11-23 06:48:07,993 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2022-11-23 06:48:07,994 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
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_7919a604-8f63-4d23-947e-841da5bdfaee/bin/ugemcutter-1C6z4D84am/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7919a604-8f63-4d23-947e-841da5bdfaee/bin/ugemcutter-1C6z4D84am
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f
[2022-11-23 06:48:08,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-23 06:48:08,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-23 06:48:08,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-23 06:48:08,428 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-23 06:48:08,428 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-23 06:48:08,430 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7919a604-8f63-4d23-947e-841da5bdfaee/bin/ugemcutter-1C6z4D84am/../../sv-benchmarks/c/pthread/singleton.i
[2022-11-23 06:48:11,819 INFO L500 CDTParser]: Created temporary CDT project at NULL
[2022-11-23 06:48:12,182 INFO L351 CDTParser]: Found 1 translation units.
[2022-11-23 06:48:12,183 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7919a604-8f63-4d23-947e-841da5bdfaee/sv-benchmarks/c/pthread/singleton.i
[2022-11-23 06:48:12,207 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7919a604-8f63-4d23-947e-841da5bdfaee/bin/ugemcutter-1C6z4D84am/data/36b013c68/a9549c4007684c9389bcb846b0158f33/FLAGe094a0f6e
[2022-11-23 06:48:12,245 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7919a604-8f63-4d23-947e-841da5bdfaee/bin/ugemcutter-1C6z4D84am/data/36b013c68/a9549c4007684c9389bcb846b0158f33
[2022-11-23 06:48:12,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-23 06:48:12,250 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-23 06:48:12,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-23 06:48:12,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-23 06:48:12,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-23 06:48:12,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:48:12" (1/1) ...
[2022-11-23 06:48:12,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dfd9b37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:48:12, skipping insertion in model container
[2022-11-23 06:48:12,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:48:12" (1/1) ...
[2022-11-23 06:48:12,274 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-23 06:48:12,345 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-23 06:48:12,627 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16
[2022-11-23 06:48:13,027 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7919a604-8f63-4d23-947e-841da5bdfaee/sv-benchmarks/c/pthread/singleton.i[55547,55560]
[2022-11-23 06:48:13,073 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-23 06:48:13,089 INFO L203 MainTranslator]: Completed pre-run
[2022-11-23 06:48:13,125 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16
[2022-11-23 06:48:13,165 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7919a604-8f63-4d23-947e-841da5bdfaee/sv-benchmarks/c/pthread/singleton.i[55547,55560]
[2022-11-23 06:48:13,186 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-23 06:48:13,301 INFO L208 MainTranslator]: Completed translation
[2022-11-23 06:48:13,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:48:13 WrapperNode
[2022-11-23 06:48:13,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-23 06:48:13,303 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-23 06:48:13,303 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-23 06:48:13,303 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-23 06:48:13,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:48:13" (1/1) ...
[2022-11-23 06:48:13,341 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:48:13" (1/1) ...
[2022-11-23 06:48:13,372 INFO L138 Inliner]: procedures = 325, calls = 52, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35
[2022-11-23 06:48:13,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-23 06:48:13,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-23 06:48:13,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-23 06:48:13,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-23 06:48:13,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:48:13" (1/1) ...
[2022-11-23 06:48:13,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:48:13" (1/1) ...
[2022-11-23 06:48:13,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:48:13" (1/1) ...
[2022-11-23 06:48:13,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:48:13" (1/1) ...
[2022-11-23 06:48:13,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:48:13" (1/1) ...
[2022-11-23 06:48:13,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:48:13" (1/1) ...
[2022-11-23 06:48:13,448 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:48:13" (1/1) ...
[2022-11-23 06:48:13,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:48:13" (1/1) ...
[2022-11-23 06:48:13,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-23 06:48:13,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-23 06:48:13,458 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-23 06:48:13,458 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-23 06:48:13,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:48:13" (1/1) ...
[2022-11-23 06:48:13,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-23 06:48:13,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7919a604-8f63-4d23-947e-841da5bdfaee/bin/ugemcutter-1C6z4D84am/z3
[2022-11-23 06:48:13,521 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7919a604-8f63-4d23-947e-841da5bdfaee/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-23 06:48:13,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7919a604-8f63-4d23-947e-841da5bdfaee/bin/ugemcutter-1C6z4D84am/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-23 06:48:13,577 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-11-23 06:48:13,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-23 06:48:13,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-23 06:48:13,577 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-11-23 06:48:13,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-11-23 06:48:13,578 INFO L130 BoogieDeclarations]: Found specification of procedure thread0
[2022-11-23 06:48:13,578 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0
[2022-11-23 06:48:13,578 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2022-11-23 06:48:13,578 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2022-11-23 06:48:13,579 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2022-11-23 06:48:13,579 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2022-11-23 06:48:13,579 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2022-11-23 06:48:13,579 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2022-11-23 06:48:13,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-11-23 06:48:13,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2022-11-23 06:48:13,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-23 06:48:13,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-23 06:48:13,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-23 06:48:13,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-23 06:48:13,584 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-11-23 06:48:13,877 INFO L235 CfgBuilder]: Building ICFG
[2022-11-23 06:48:13,880 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-23 06:48:14,334 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-23 06:48:14,344 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-23 06:48:14,344 INFO L300 CfgBuilder]: Removed 0 assume(true) statements.
[2022-11-23 06:48:14,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:48:14 BoogieIcfgContainer
[2022-11-23 06:48:14,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-23 06:48:14,357 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-23 06:48:14,357 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-23 06:48:14,363 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-23 06:48:14,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:48:12" (1/3) ...
[2022-11-23 06:48:14,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@141f5db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:48:14, skipping insertion in model container
[2022-11-23 06:48:14,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:48:13" (2/3) ...
[2022-11-23 06:48:14,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@141f5db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:48:14, skipping insertion in model container
[2022-11-23 06:48:14,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:48:14" (3/3) ...
[2022-11-23 06:48:14,373 INFO L112 eAbstractionObserver]: Analyzing ICFG singleton.i
[2022-11-23 06:48:14,399 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-11-23 06:48:14,417 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-23 06:48:14,417 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations.
[2022-11-23 06:48:14,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@141f5db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:48:14, skipping insertion in model container
[2022-11-23 06:48:14,419 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-23 06:48:14,419 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-23 06:48:14,420 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-23 06:48:14,420 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-23 06:48:14,420 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:48:14" (3/3) ...
[2022-11-23 06:48:14,425 INFO L137 WitnessPrinter]: Generating witness for correct program
[2022-11-23 06:48:14,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread0
[2022-11-23 06:48:14,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2022-11-23 06:48:14,435 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2022-11-23 06:48:14,435 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3
[2022-11-23 06:48:14,440 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges
[2022-11-23 06:48:14,440 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2022-11-23 06:48:14,441 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2022-11-23 06:48:14,441 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-23 06:48:14,478 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7919a604-8f63-4d23-947e-841da5bdfaee/bin/ugemcutter-1C6z4D84am/witness.graphml
[2022-11-23 06:48:14,478 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-23 06:48:14,480 INFO L158 Benchmark]: Toolchain (without parser) took 2229.09ms. Allocated memory was 136.3MB in the beginning and 180.4MB in the end (delta: 44.0MB). Free memory was 88.4MB in the beginning and 130.8MB in the end (delta: -42.4MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB.
[2022-11-23 06:48:14,481 INFO L158 Benchmark]: CDTParser took 1.73ms. Allocated memory is still 136.3MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-23 06:48:14,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1050.50ms. Allocated memory is still 136.3MB. Free memory was 88.0MB in the beginning and 55.3MB in the end (delta: 32.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB.
[2022-11-23 06:48:14,483 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.34ms. Allocated memory is still 136.3MB. Free memory was 55.3MB in the beginning and 105.9MB in the end (delta: -50.6MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB.
[2022-11-23 06:48:14,484 INFO L158 Benchmark]: Boogie Preprocessor took 63.04ms. Allocated memory is still 136.3MB. Free memory was 105.9MB in the beginning and 104.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-23 06:48:14,485 INFO L158 Benchmark]: RCFGBuilder took 890.26ms. Allocated memory was 136.3MB in the beginning and 180.4MB in the end (delta: 44.0MB). Free memory was 104.2MB in the beginning and 136.1MB in the end (delta: -32.0MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB.
[2022-11-23 06:48:14,485 INFO L158 Benchmark]: TraceAbstraction took 61.75ms. Allocated memory is still 180.4MB. Free memory was 136.1MB in the beginning and 133.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-23 06:48:14,486 INFO L158 Benchmark]: Witness Printer took 58.73ms. Allocated memory is still 180.4MB. Free memory was 133.9MB in the beginning and 130.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-11-23 06:48:14,491 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.73ms. Allocated memory is still 136.3MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1050.50ms. Allocated memory is still 136.3MB. Free memory was 88.0MB in the beginning and 55.3MB in the end (delta: 32.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 89.34ms. Allocated memory is still 136.3MB. Free memory was 55.3MB in the beginning and 105.9MB in the end (delta: -50.6MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 63.04ms. Allocated memory is still 136.3MB. Free memory was 105.9MB in the beginning and 104.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 890.26ms. Allocated memory was 136.3MB in the beginning and 180.4MB in the end (delta: 44.0MB). Free memory was 104.2MB in the beginning and 136.1MB in the end (delta: -32.0MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 61.75ms. Allocated memory is still 180.4MB. Free memory was 136.1MB in the beginning and 133.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Witness Printer took 58.73ms. Allocated memory is still 180.4MB. Free memory was 133.9MB in the beginning and 130.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- AllSpecificationsHoldResult: All specifications hold
We were not able to verify any specification because the program does not contain any specification.
RESULT: Ultimate proved your program to be correct!
[2022-11-23 06:48:14,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7919a604-8f63-4d23-947e-841da5bdfaee/bin/ugemcutter-1C6z4D84am/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