./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/scopes1.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for memory safety (deref-memtrack)
Using default analysis
Version b2eff8ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7333bae-ca78-40c6-9b06-076349a1d094/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7333bae-ca78-40c6-9b06-076349a1d094/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7333bae-ca78-40c6-9b06-076349a1d094/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7333bae-ca78-40c6-9b06-076349a1d094/bin/uautomizer-GMMbpWq8iD/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/scopes1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7333bae-ca78-40c6-9b06-076349a1d094/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7333bae-ca78-40c6-9b06-076349a1d094/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --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 5006077e10b123684af5816f85c68609f620d4e536300995b347b7a57b1efc6a
..........................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(valid-deref)
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-b2eff8b
[2021-10-28 23:15:36,926 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-28 23:15:36,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-28 23:15:37,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-28 23:15:37,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-28 23:15:37,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-28 23:15:37,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-28 23:15:37,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-28 23:15:37,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-28 23:15:37,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-28 23:15:37,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-28 23:15:37,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-28 23:15:37,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-28 23:15:37,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-28 23:15:37,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-28 23:15:37,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-28 23:15:37,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-28 23:15:37,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-28 23:15:37,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-28 23:15:37,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-28 23:15:37,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-28 23:15:37,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-28 23:15:37,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-28 23:15:37,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-28 23:15:37,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-28 23:15:37,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-28 23:15:37,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-28 23:15:37,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-28 23:15:37,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-28 23:15:37,064 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-28 23:15:37,064 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-28 23:15:37,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-28 23:15:37,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-28 23:15:37,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-28 23:15:37,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-28 23:15:37,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-28 23:15:37,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-28 23:15:37,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-28 23:15:37,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-28 23:15:37,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-28 23:15:37,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-28 23:15:37,080 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7333bae-ca78-40c6-9b06-076349a1d094/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2021-10-28 23:15:37,113 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-28 23:15:37,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-28 23:15:37,114 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-28 23:15:37,114 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-28 23:15:37,115 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-28 23:15:37,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-28 23:15:37,116 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-28 23:15:37,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-28 23:15:37,117 INFO L138 SettingsManager]: * sizeof long=4
[2021-10-28 23:15:37,117 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-10-28 23:15:37,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-28 23:15:37,118 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-10-28 23:15:37,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-28 23:15:37,118 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2021-10-28 23:15:37,118 INFO L138 SettingsManager]: * Bitprecise bitfields=true
[2021-10-28 23:15:37,119 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2021-10-28 23:15:37,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-28 23:15:37,119 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2021-10-28 23:15:37,120 INFO L138 SettingsManager]: * sizeof long double=12
[2021-10-28 23:15:37,120 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-28 23:15:37,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-28 23:15:37,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-28 23:15:37,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-10-28 23:15:37,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-28 23:15:37,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-28 23:15:37,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-10-28 23:15:37,122 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-28 23:15:37,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-28 23:15:37,123 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-28 23:15:37,123 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_a7333bae-ca78-40c6-9b06-076349a1d094/bin/uautomizer-GMMbpWq8iD/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7333bae-ca78-40c6-9b06-076349a1d094/bin/uautomizer-GMMbpWq8iD
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5006077e10b123684af5816f85c68609f620d4e536300995b347b7a57b1efc6a
[2021-10-28 23:15:37,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-28 23:15:37,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-28 23:15:37,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-28 23:15:37,496 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-28 23:15:37,497 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-28 23:15:37,499 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7333bae-ca78-40c6-9b06-076349a1d094/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/memsafety-ext3/scopes1.c
[2021-10-28 23:15:37,604 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7333bae-ca78-40c6-9b06-076349a1d094/bin/uautomizer-GMMbpWq8iD/data/9f395b999/b8d33930a3364a959c7333f2055e8ba9/FLAGc0538d49c
[2021-10-28 23:15:38,188 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-28 23:15:38,191 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7333bae-ca78-40c6-9b06-076349a1d094/sv-benchmarks/c/memsafety-ext3/scopes1.c
[2021-10-28 23:15:38,206 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7333bae-ca78-40c6-9b06-076349a1d094/bin/uautomizer-GMMbpWq8iD/data/9f395b999/b8d33930a3364a959c7333f2055e8ba9/FLAGc0538d49c
[2021-10-28 23:15:38,530 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7333bae-ca78-40c6-9b06-076349a1d094/bin/uautomizer-GMMbpWq8iD/data/9f395b999/b8d33930a3364a959c7333f2055e8ba9
[2021-10-28 23:15:38,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-28 23:15:38,538 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2021-10-28 23:15:38,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-28 23:15:38,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-28 23:15:38,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-28 23:15:38,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:15:38" (1/1) ...
[2021-10-28 23:15:38,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45931170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:38, skipping insertion in model container
[2021-10-28 23:15:38,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:15:38" (1/1) ...
[2021-10-28 23:15:38,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-28 23:15:38,575 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-28 23:15:38,787 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:15:38,805 INFO L203 MainTranslator]: Completed pre-run
[2021-10-28 23:15:38,822 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:15:38,840 INFO L208 MainTranslator]: Completed translation
[2021-10-28 23:15:38,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:38 WrapperNode
[2021-10-28 23:15:38,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-28 23:15:38,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-28 23:15:38,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-28 23:15:38,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-28 23:15:38,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:38" (1/1) ...
[2021-10-28 23:15:38,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:38" (1/1) ...
[2021-10-28 23:15:38,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:38" (1/1) ...
[2021-10-28 23:15:38,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:38" (1/1) ...
[2021-10-28 23:15:38,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:38" (1/1) ...
[2021-10-28 23:15:38,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:38" (1/1) ...
[2021-10-28 23:15:38,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:38" (1/1) ...
[2021-10-28 23:15:38,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-28 23:15:38,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-28 23:15:38,873 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-28 23:15:38,873 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-28 23:15:38,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:38" (1/1) ...
[2021-10-28 23:15:38,886 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-28 23:15:38,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7333bae-ca78-40c6-9b06-076349a1d094/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:15:38,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7333bae-ca78-40c6-9b06-076349a1d094/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-28 23:15:38,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7333bae-ca78-40c6-9b06-076349a1d094/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-28 23:15:38,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2021-10-28 23:15:38,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-28 23:15:38,971 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2021-10-28 23:15:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2021-10-28 23:15:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2021-10-28 23:15:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-28 23:15:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-28 23:15:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-10-28 23:15:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-10-28 23:15:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2021-10-28 23:15:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-28 23:15:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-10-28 23:15:39,214 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-28 23:15:39,214 INFO L299 CfgBuilder]: Removed 0 assume(true) statements.
[2021-10-28 23:15:39,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:15:39 BoogieIcfgContainer
[2021-10-28 23:15:39,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-28 23:15:39,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-28 23:15:39,228 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-10-28 23:15:39,235 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-10-28 23:15:39,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:15:38" (1/3) ...
[2021-10-28 23:15:39,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b65932b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:15:39, skipping insertion in model container
[2021-10-28 23:15:39,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:15:38" (2/3) ...
[2021-10-28 23:15:39,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b65932b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:15:39, skipping insertion in model container
[2021-10-28 23:15:39,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:15:39" (3/3) ...
[2021-10-28 23:15:39,241 INFO L111 eAbstractionObserver]: Analyzing ICFG scopes1.c
[2021-10-28 23:15:39,248 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-28 23:15:39,248 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations.
[2021-10-28 23:15:39,298 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-28 23:15:39,306 INFO L339 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=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR
[2021-10-28 23:15:39,306 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2021-10-28 23:15:39,323 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 8 states have (on average 1.625) internal successors, (13), 13 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2021-10-28 23:15:39,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2021-10-28 23:15:39,333 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 23:15:39,333 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:15:39,334 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0REQUIRES_VIOLATION === [mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK] ===
[2021-10-28 23:15:39,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:15:39,341 INFO L85 PathProgramCache]: Analyzing trace with hash -2123086958, now seen corresponding path program 1 times
[2021-10-28 23:15:39,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:15:39,352 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166662173]
[2021-10-28 23:15:39,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:15:39,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:15:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:15:39,491 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:15:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:15:39,546 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:15:39,549 INFO L627 BasicCegarLoop]: Counterexample is feasible
[2021-10-28 23:15:39,550 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0REQUIRES_VIOLATION
[2021-10-28 23:15:39,556 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr1REQUIRES_VIOLATION
[2021-10-28 23:15:39,557 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr2REQUIRES_VIOLATION
[2021-10-28 23:15:39,558 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr3REQUIRES_VIOLATION
[2021-10-28 23:15:39,558 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr4ENSURES_VIOLATIONMEMORY_LEAK
[2021-10-28 23:15:39,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-28 23:15:39,564 INFO L731 BasicCegarLoop]: Path program histogram: [1]
[2021-10-28 23:15:39,570 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-10-28 23:15:39,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:15:39 BoogieIcfgContainer
[2021-10-28 23:15:39,599 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-28 23:15:39,601 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-28 23:15:39,602 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-28 23:15:39,602 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-28 23:15:39,603 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:15:39" (3/4) ...
[2021-10-28 23:15:39,605 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample
[2021-10-28 23:15:39,667 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7333bae-ca78-40c6-9b06-076349a1d094/bin/uautomizer-GMMbpWq8iD/witness.graphml
[2021-10-28 23:15:39,668 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-28 23:15:39,670 INFO L168 Benchmark]: Toolchain (without parser) took 1131.52 ms. Allocated memory is still 102.8 MB. Free memory was 62.8 MB in the beginning and 51.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-28 23:15:39,671 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 102.8 MB. Free memory is still 78.8 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:15:39,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.68 ms. Allocated memory is still 102.8 MB. Free memory was 62.6 MB in the beginning and 78.5 MB in the end (delta: -15.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-28 23:15:39,680 INFO L168 Benchmark]: Boogie Preprocessor took 29.12 ms. Allocated memory is still 102.8 MB. Free memory was 78.5 MB in the beginning and 77.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 23:15:39,680 INFO L168 Benchmark]: RCFGBuilder took 344.22 ms. Allocated memory is still 102.8 MB. Free memory was 77.3 MB in the beginning and 67.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-28 23:15:39,682 INFO L168 Benchmark]: TraceAbstraction took 376.99 ms. Allocated memory is still 102.8 MB. Free memory was 66.9 MB in the beginning and 53.4 MB in the end (delta: 13.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
[2021-10-28 23:15:39,682 INFO L168 Benchmark]: Witness Printer took 66.95 ms. Allocated memory is still 102.8 MB. Free memory was 53.4 MB in the beginning and 51.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 23:15:39,686 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.34 ms. Allocated memory is still 102.8 MB. Free memory is still 78.8 MB. There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 301.68 ms. Allocated memory is still 102.8 MB. Free memory was 62.6 MB in the beginning and 78.5 MB in the end (delta: -15.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
* Boogie Preprocessor took 29.12 ms. Allocated memory is still 102.8 MB. Free memory was 78.5 MB in the beginning and 77.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* RCFGBuilder took 344.22 ms. Allocated memory is still 102.8 MB. Free memory was 77.3 MB in the beginning and 67.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
* TraceAbstraction took 376.99 ms. Allocated memory is still 102.8 MB. Free memory was 66.9 MB in the beginning and 53.4 MB in the end (delta: 13.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
* Witness Printer took 66.95 ms. Allocated memory is still 102.8 MB. Free memory was 53.4 MB in the beginning and 51.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- CounterExampleResult [Line: 16]: pointer dereference may fail
pointer dereference may fail
We found a FailurePath:
[L4] int *myPointerA = ((void*) 0);
[L5] int *myPointerB = ((void*) 0);
[L8] int myNumberA = 7;
[L9] myPointerA = &myNumberA
[L8] int myNumberA = 7;
[L13] int myNumberB = 3;
[L14] myPointerB = &myNumberB
VAL [myNumberB={5:0}, myPointerA={8:0}, myPointerB={5:0}]
[L16] \read(*myPointerA)
- UnprovableResult [Line: 16]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 16]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 16]: Unable to prove that pointer dereference always succeeds
Unable to prove that pointer dereference always succeeds
Reason: Not analyzed.
- UnprovableResult [Line: 3]: Unable to prove that all allocated memory was freed
Unable to prove that all allocated memory was freed
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 18 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 7 NumberOfCodeBlocks, 7 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
RESULT: Ultimate proved your program to be incorrect!
[2021-10-28 23:15:39,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7333bae-ca78-40c6-9b06-076349a1d094/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...