./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/dll-simple-white-blue-1.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 5e519f3a
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_7e666f68-5efd-423c-afeb-6ce681eac9c2/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e666f68-5efd-423c-afeb-6ce681eac9c2/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e666f68-5efd-423c-afeb-6ce681eac9c2/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e666f68-5efd-423c-afeb-6ce681eac9c2/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-simple-white-blue-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e666f68-5efd-423c-afeb-6ce681eac9c2/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e666f68-5efd-423c-afeb-6ce681eac9c2/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4bb6c46a4de77c33ebd5db0d25fe513601ef52929336922ed8d1cb2e429dd77c
--- 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-5e519f3
[2022-11-02 20:08:30,359 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:08:30,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:08:30,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:08:30,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:08:30,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:08:30,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:08:30,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:08:30,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:08:30,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:08:30,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:08:30,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:08:30,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:08:30,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:08:30,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:08:30,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:08:30,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:08:30,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:08:30,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:08:30,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:08:30,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:08:30,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:08:30,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:08:30,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:08:30,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:08:30,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:08:30,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:08:30,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:08:30,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:08:30,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:08:30,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:08:30,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:08:30,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:08:30,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:08:30,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:08:30,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:08:30,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:08:30,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:08:30,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:08:30,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:08:30,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:08:30,468 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e666f68-5efd-423c-afeb-6ce681eac9c2/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf
[2022-11-02 20:08:30,497 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 20:08:30,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:08:30,498 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:08:30,499 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:08:30,500 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:08:30,500 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:08:30,501 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:08:30,501 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 20:08:30,501 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 20:08:30,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:08:30,502 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-02 20:08:30,502 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-02 20:08:30,503 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-02 20:08:30,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 20:08:30,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:08:30,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:08:30,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:08:30,504 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-02 20:08:30,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 20:08:30,504 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 20:08:30,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:08:30,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:08:30,505 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 20:08:30,506 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-02 20:08:30,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:08:30,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:08:30,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:08:30,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:08:30,507 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-02 20:08:30,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:08:30,508 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-02 20:08:30,508 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-02 20:08:30,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:08:30,508 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_7e666f68-5efd-423c-afeb-6ce681eac9c2/bin/uautomizer-Dbtcem3rbc/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e666f68-5efd-423c-afeb-6ce681eac9c2/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bb6c46a4de77c33ebd5db0d25fe513601ef52929336922ed8d1cb2e429dd77c
[2022-11-02 20:08:30,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:08:30,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:08:30,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:08:30,926 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 20:08:30,927 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 20:08:30,928 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e666f68-5efd-423c-afeb-6ce681eac9c2/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/forester-heap/dll-simple-white-blue-1.i
[2022-11-02 20:08:31,037 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e666f68-5efd-423c-afeb-6ce681eac9c2/bin/uautomizer-Dbtcem3rbc/data/a560d3339/1b03d81d39be4a9a9821d02f2a5e9443/FLAGd7e8daecf
[2022-11-02 20:08:31,607 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 20:08:31,608 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e666f68-5efd-423c-afeb-6ce681eac9c2/sv-benchmarks/c/forester-heap/dll-simple-white-blue-1.i
[2022-11-02 20:08:31,627 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e666f68-5efd-423c-afeb-6ce681eac9c2/bin/uautomizer-Dbtcem3rbc/data/a560d3339/1b03d81d39be4a9a9821d02f2a5e9443/FLAGd7e8daecf
[2022-11-02 20:08:31,905 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e666f68-5efd-423c-afeb-6ce681eac9c2/bin/uautomizer-Dbtcem3rbc/data/a560d3339/1b03d81d39be4a9a9821d02f2a5e9443
[2022-11-02 20:08:31,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:08:31,910 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:08:31,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:08:31,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:08:31,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:08:31,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:08:31" (1/1) ...
[2022-11-02 20:08:31,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dbf4919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:31, skipping insertion in model container
[2022-11-02 20:08:31,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:08:31" (1/1) ...
[2022-11-02 20:08:31,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 20:08:32,008 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:08:32,443 WARN L230 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_7e666f68-5efd-423c-afeb-6ce681eac9c2/sv-benchmarks/c/forester-heap/dll-simple-white-blue-1.i[22793,22806]
[2022-11-02 20:08:32,462 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:08:32,473 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 20:08:32,556 WARN L230 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_7e666f68-5efd-423c-afeb-6ce681eac9c2/sv-benchmarks/c/forester-heap/dll-simple-white-blue-1.i[22793,22806]
[2022-11-02 20:08:32,563 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:08:32,594 INFO L208 MainTranslator]: Completed translation
[2022-11-02 20:08:32,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:32 WrapperNode
[2022-11-02 20:08:32,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:08:32,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:08:32,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:08:32,601 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:08:32,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:32" (1/1) ...
[2022-11-02 20:08:32,643 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:32" (1/1) ...
[2022-11-02 20:08:32,671 INFO L138 Inliner]: procedures = 119, calls = 39, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 121
[2022-11-02 20:08:32,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:08:32,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:08:32,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:08:32,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:08:32,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:32" (1/1) ...
[2022-11-02 20:08:32,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:32" (1/1) ...
[2022-11-02 20:08:32,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:32" (1/1) ...
[2022-11-02 20:08:32,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:32" (1/1) ...
[2022-11-02 20:08:32,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:32" (1/1) ...
[2022-11-02 20:08:32,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:32" (1/1) ...
[2022-11-02 20:08:32,709 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:32" (1/1) ...
[2022-11-02 20:08:32,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:32" (1/1) ...
[2022-11-02 20:08:32,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:08:32,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:08:32,715 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:08:32,715 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:08:32,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:32" (1/1) ...
[2022-11-02 20:08:32,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:08:32,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e666f68-5efd-423c-afeb-6ce681eac9c2/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:08:32,759 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e666f68-5efd-423c-afeb-6ce681eac9c2/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:08:32,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e666f68-5efd-423c-afeb-6ce681eac9c2/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:08:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-11-02 20:08:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-11-02 20:08:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2022-11-02 20:08:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:08:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2022-11-02 20:08:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2022-11-02 20:08:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-02 20:08:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 20:08:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:08:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:08:32,943 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 20:08:32,946 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:08:33,240 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 20:08:33,247 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:08:33,248 INFO L300 CfgBuilder]: Removed 8 assume(true) statements.
[2022-11-02 20:08:33,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:08:33 BoogieIcfgContainer
[2022-11-02 20:08:33,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:08:33,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:08:33,254 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:08:33,259 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:08:33,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:08:31" (1/3) ...
[2022-11-02 20:08:33,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@731322ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:08:33, skipping insertion in model container
[2022-11-02 20:08:33,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:08:32" (2/3) ...
[2022-11-02 20:08:33,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@731322ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:08:33, skipping insertion in model container
[2022-11-02 20:08:33,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:08:33" (3/3) ...
[2022-11-02 20:08:33,286 INFO L112 eAbstractionObserver]: Analyzing ICFG dll-simple-white-blue-1.i
[2022-11-02 20:08:33,328 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:08:33,328 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-11-02 20:08:33,393 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:08:33,402 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=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@91c9ff0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:08:33,402 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-11-02 20:08:33,408 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 25 states have (on average 1.72) internal successors, (43), 26 states have internal predecessors, (43), 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)
[2022-11-02 20:08:33,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2022-11-02 20:08:33,416 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:08:33,417 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:08:33,418 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:08:33,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:08:33,425 INFO L85 PathProgramCache]: Analyzing trace with hash -893663255, now seen corresponding path program 1 times
[2022-11-02 20:08:33,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:08:33,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601491098]
[2022-11-02 20:08:33,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:08:33,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:08:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:08:33,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:08:33,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:08:33,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601491098]
[2022-11-02 20:08:33,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601491098] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:08:33,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:08:33,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:08:33,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998035317]
[2022-11-02 20:08:33,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:08:33,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-11-02 20:08:33,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:08:33,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-11-02 20:08:33,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-02 20:08:33,731 INFO L87 Difference]: Start difference. First operand has 27 states, 25 states have (on average 1.72) internal successors, (43), 26 states have internal predecessors, (43), 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) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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)
[2022-11-02 20:08:33,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:08:33,753 INFO L93 Difference]: Finished difference Result 49 states and 78 transitions.
[2022-11-02 20:08:33,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-11-02 20:08:33,756 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) Word has length 11
[2022-11-02 20:08:33,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:08:33,765 INFO L225 Difference]: With dead ends: 49
[2022-11-02 20:08:33,766 INFO L226 Difference]: Without dead ends: 20
[2022-11-02 20:08:33,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-02 20:08:33,774 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:08:33,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:08:33,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states.
[2022-11-02 20:08:33,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20.
[2022-11-02 20:08:33,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 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)
[2022-11-02 20:08:33,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions.
[2022-11-02 20:08:33,818 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 26 transitions. Word has length 11
[2022-11-02 20:08:33,818 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:08:33,818 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 26 transitions.
[2022-11-02 20:08:33,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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)
[2022-11-02 20:08:33,819 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions.
[2022-11-02 20:08:33,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2022-11-02 20:08:33,820 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:08:33,820 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:08:33,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 20:08:33,821 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:08:33,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:08:33,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1702731784, now seen corresponding path program 1 times
[2022-11-02 20:08:33,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:08:33,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164579219]
[2022-11-02 20:08:33,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:08:33,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:08:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:08:33,977 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:08:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:08:34,085 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:08:34,085 INFO L359 BasicCegarLoop]: Counterexample is feasible
[2022-11-02 20:08:34,093 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-11-02 20:08:34,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-02 20:08:34,108 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1]
[2022-11-02 20:08:34,112 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 20:08:34,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:08:34 BoogieIcfgContainer
[2022-11-02 20:08:34,154 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:08:34,155 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:08:34,155 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:08:34,156 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-02 20:08:34,156 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:08:33" (3/4) ...
[2022-11-02 20:08:34,159 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample
[2022-11-02 20:08:34,208 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e666f68-5efd-423c-afeb-6ce681eac9c2/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:08:34,208 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:08:34,209 INFO L158 Benchmark]: Toolchain (without parser) took 2298.61ms. Allocated memory is still 132.1MB. Free memory was 95.5MB in the beginning and 104.5MB in the end (delta: -9.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:08:34,210 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 90.2MB. Free memory was 60.4MB in the beginning and 60.4MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:08:34,211 INFO L158 Benchmark]: CACSL2BoogieTranslator took 685.76ms. Allocated memory is still 132.1MB. Free memory was 95.2MB in the beginning and 100.5MB in the end (delta: -5.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-02 20:08:34,211 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.24ms. Allocated memory is still 132.1MB. Free memory was 100.5MB in the beginning and 98.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:08:34,212 INFO L158 Benchmark]: Boogie Preprocessor took 41.23ms. Allocated memory is still 132.1MB. Free memory was 98.4MB in the beginning and 97.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:08:34,213 INFO L158 Benchmark]: RCFGBuilder took 536.69ms. Allocated memory is still 132.1MB. Free memory was 96.3MB in the beginning and 78.1MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2022-11-02 20:08:34,214 INFO L158 Benchmark]: TraceAbstraction took 900.41ms. Allocated memory is still 132.1MB. Free memory was 77.5MB in the beginning and 106.5MB in the end (delta: -29.1MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB.
[2022-11-02 20:08:34,215 INFO L158 Benchmark]: Witness Printer took 52.93ms. Allocated memory is still 132.1MB. Free memory was 106.5MB in the beginning and 104.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:08:34,219 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.36ms. Allocated memory is still 90.2MB. Free memory was 60.4MB in the beginning and 60.4MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 685.76ms. Allocated memory is still 132.1MB. Free memory was 95.2MB in the beginning and 100.5MB in the end (delta: -5.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 72.24ms. Allocated memory is still 132.1MB. Free memory was 100.5MB in the beginning and 98.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 41.23ms. Allocated memory is still 132.1MB. Free memory was 98.4MB in the beginning and 97.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 536.69ms. Allocated memory is still 132.1MB. Free memory was 96.3MB in the beginning and 78.1MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
* TraceAbstraction took 900.41ms. Allocated memory is still 132.1MB. Free memory was 77.5MB in the beginning and 106.5MB in the end (delta: -29.1MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB.
* Witness Printer took 52.93ms. Allocated memory is still 132.1MB. Free memory was 106.5MB in the beginning and 104.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* 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: 1063]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L1000] SLL* head = malloc(sizeof(SLL));
[L1001] head->next = ((void*)0)
[L1002] head->prev = ((void*)0)
[L1003] head->data = 0
[L1005] SLL* x = head;
VAL [head={-1:0}, x={-1:0}]
[L1008] COND FALSE !(__VERIFIER_nondet_int())
[L1019] COND TRUE __VERIFIER_nondet_int()
[L1020] x = malloc(sizeof(SLL))
[L1021] x->data = 1
[L1022] x->next = head
[L1023] x->prev = ((void*)0)
[L1024] head = x
VAL [head={-2:0}, x={-2:0}]
[L1050] x = head
VAL [head={-2:0}, x={-2:0}]
[L1053] EXPR x->data
VAL [head={-2:0}, x={-2:0}, x->data=1]
[L1053] COND FALSE !(x->data != 1)
[L1059] EXPR x->next
[L1059] x = x->next
[L1060] COND TRUE \read(*x)
[L1062] EXPR x->data
VAL [head={-2:0}, x={-1:0}, x->data=0]
[L1062] COND TRUE x->data != 1
[L1063] reach_error()
VAL [head={-2:0}, x={-1:0}]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 33 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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!
[2022-11-02 20:08:34,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e666f68-5efd-423c-afeb-6ce681eac9c2/bin/uautomizer-Dbtcem3rbc/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
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE