./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/psyco/psyco_security.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version 5e519f3a
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbf1369-4414-43d2-baad-ade617d87324/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbf1369-4414-43d2-baad-ade617d87324/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_8fbf1369-4414-43d2-baad-ade617d87324/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbf1369-4414-43d2-baad-ade617d87324/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/psyco/psyco_security.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbf1369-4414-43d2-baad-ade617d87324/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbf1369-4414-43d2-baad-ade617d87324/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c03d27deb00d6c25e1f99c43455f6da27475e88a721be2a7236bfffedf5da1e8
--- 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 21:02:33,837 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 21:02:33,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 21:02:33,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 21:02:33,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 21:02:33,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 21:02:33,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 21:02:33,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 21:02:33,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 21:02:33,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 21:02:33,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 21:02:33,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 21:02:33,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 21:02:33,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 21:02:33,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 21:02:33,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 21:02:33,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 21:02:33,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 21:02:33,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 21:02:33,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 21:02:33,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 21:02:33,953 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 21:02:33,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 21:02:33,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 21:02:33,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 21:02:33,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 21:02:33,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 21:02:33,974 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 21:02:33,975 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 21:02:33,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 21:02:33,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 21:02:33,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 21:02:33,980 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 21:02:33,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 21:02:33,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 21:02:33,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 21:02:33,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 21:02:33,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 21:02:33,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 21:02:33,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 21:02:33,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 21:02:33,989 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbf1369-4414-43d2-baad-ade617d87324/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf
[2022-11-02 21:02:34,042 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 21:02:34,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 21:02:34,043 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 21:02:34,043 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 21:02:34,045 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 21:02:34,046 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 21:02:34,046 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 21:02:34,046 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2022-11-02 21:02:34,047 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2022-11-02 21:02:34,047 INFO L138 SettingsManager]: * Use old map elimination=false
[2022-11-02 21:02:34,048 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2022-11-02 21:02:34,048 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2022-11-02 21:02:34,049 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2022-11-02 21:02:34,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 21:02:34,049 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-02 21:02:34,050 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-11-02 21:02:34,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-02 21:02:34,050 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-02 21:02:34,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 21:02:34,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2022-11-02 21:02:34,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2022-11-02 21:02:34,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2022-11-02 21:02:34,051 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-02 21:02:34,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 21:02:34,053 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2022-11-02 21:02:34,054 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 21:02:34,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2022-11-02 21:02:34,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 21:02:34,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 21:02:34,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 21:02:34,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-02 21:02:34,057 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2022-11-02 21:02:34,057 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR
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_8fbf1369-4414-43d2-baad-ade617d87324/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbf1369-4414-43d2-baad-ade617d87324/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c03d27deb00d6c25e1f99c43455f6da27475e88a721be2a7236bfffedf5da1e8
[2022-11-02 21:02:34,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 21:02:34,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 21:02:34,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 21:02:34,540 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 21:02:34,541 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 21:02:34,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbf1369-4414-43d2-baad-ade617d87324/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/psyco/psyco_security.c
[2022-11-02 21:02:34,647 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbf1369-4414-43d2-baad-ade617d87324/bin/uautomizer-Dbtcem3rbc/data/016e314ec/32c5cf5069ee42cd8c0322e0578732f0/FLAG96906573f
[2022-11-02 21:02:35,289 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 21:02:35,290 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbf1369-4414-43d2-baad-ade617d87324/sv-benchmarks/c/psyco/psyco_security.c
[2022-11-02 21:02:35,301 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbf1369-4414-43d2-baad-ade617d87324/bin/uautomizer-Dbtcem3rbc/data/016e314ec/32c5cf5069ee42cd8c0322e0578732f0/FLAG96906573f
[2022-11-02 21:02:35,613 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbf1369-4414-43d2-baad-ade617d87324/bin/uautomizer-Dbtcem3rbc/data/016e314ec/32c5cf5069ee42cd8c0322e0578732f0
[2022-11-02 21:02:35,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 21:02:35,618 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 21:02:35,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 21:02:35,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 21:02:35,626 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 21:02:35,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:02:35" (1/1) ...
[2022-11-02 21:02:35,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@417487fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:35, skipping insertion in model container
[2022-11-02 21:02:35,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:02:35" (1/1) ...
[2022-11-02 21:02:35,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 21:02:35,664 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 21:02:35,955 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_8fbf1369-4414-43d2-baad-ade617d87324/sv-benchmarks/c/psyco/psyco_security.c[12744,12757]
[2022-11-02 21:02:35,961 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 21:02:35,982 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 21:02:36,047 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_8fbf1369-4414-43d2-baad-ade617d87324/sv-benchmarks/c/psyco/psyco_security.c[12744,12757]
[2022-11-02 21:02:36,063 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 21:02:36,077 INFO L208 MainTranslator]: Completed translation
[2022-11-02 21:02:36,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:36 WrapperNode
[2022-11-02 21:02:36,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 21:02:36,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 21:02:36,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 21:02:36,079 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 21:02:36,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:36" (1/1) ...
[2022-11-02 21:02:36,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:36" (1/1) ...
[2022-11-02 21:02:36,125 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 248
[2022-11-02 21:02:36,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 21:02:36,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 21:02:36,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 21:02:36,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 21:02:36,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:36" (1/1) ...
[2022-11-02 21:02:36,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:36" (1/1) ...
[2022-11-02 21:02:36,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:36" (1/1) ...
[2022-11-02 21:02:36,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:36" (1/1) ...
[2022-11-02 21:02:36,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:36" (1/1) ...
[2022-11-02 21:02:36,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:36" (1/1) ...
[2022-11-02 21:02:36,163 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:36" (1/1) ...
[2022-11-02 21:02:36,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:36" (1/1) ...
[2022-11-02 21:02:36,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 21:02:36,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 21:02:36,182 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 21:02:36,182 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 21:02:36,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:36" (1/1) ...
[2022-11-02 21:02:36,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 21:02:36,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbf1369-4414-43d2-baad-ade617d87324/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:02:36,230 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbf1369-4414-43d2-baad-ade617d87324/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 21:02:36,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbf1369-4414-43d2-baad-ade617d87324/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2022-11-02 21:02:36,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 21:02:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 21:02:36,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 21:02:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 21:02:36,402 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 21:02:36,405 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 21:02:36,824 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 21:02:36,842 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 21:02:36,843 INFO L300 CfgBuilder]: Removed 18 assume(true) statements.
[2022-11-02 21:02:36,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:02:36 BoogieIcfgContainer
[2022-11-02 21:02:36,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 21:02:36,861 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2022-11-02 21:02:36,861 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2022-11-02 21:02:36,866 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2022-11-02 21:02:36,867 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2022-11-02 21:02:36,867 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 09:02:35" (1/3) ...
[2022-11-02 21:02:36,869 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@208dca95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 09:02:36, skipping insertion in model container
[2022-11-02 21:02:36,869 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2022-11-02 21:02:36,869 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:02:36" (2/3) ...
[2022-11-02 21:02:36,870 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@208dca95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 09:02:36, skipping insertion in model container
[2022-11-02 21:02:36,870 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2022-11-02 21:02:36,870 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:02:36" (3/3) ...
[2022-11-02 21:02:36,872 INFO L332 chiAutomizerObserver]: Analyzing ICFG psyco_security.c
[2022-11-02 21:02:36,985 INFO L303 stractBuchiCegarLoop]: Interprodecural is true
[2022-11-02 21:02:36,986 INFO L304 stractBuchiCegarLoop]: Hoare is false
[2022-11-02 21:02:36,986 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2022-11-02 21:02:36,986 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2022-11-02 21:02:36,987 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2022-11-02 21:02:36,987 INFO L308 stractBuchiCegarLoop]: Difference is false
[2022-11-02 21:02:36,987 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2022-11-02 21:02:36,987 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2022-11-02 21:02:36,996 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 77 states, 76 states have (on average 1.9210526315789473) internal successors, (146), 76 states have internal predecessors, (146), 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 21:02:37,036 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 62
[2022-11-02 21:02:37,036 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-02 21:02:37,037 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-02 21:02:37,057 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1]
[2022-11-02 21:02:37,057 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:02:37,058 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2022-11-02 21:02:37,060 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 77 states, 76 states have (on average 1.9210526315789473) internal successors, (146), 76 states have internal predecessors, (146), 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 21:02:37,071 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 62
[2022-11-02 21:02:37,074 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-02 21:02:37,074 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-02 21:02:37,076 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1]
[2022-11-02 21:02:37,076 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:02:37,086 INFO L748 eck$LassoCheckResult]: Stem: 64#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2);call #Ultimate.allocInit(12, 3);~m_initSign~0 := 1;~m_initVerify~0 := 2;~m_Signature~0 := 3;~m_sign~0 := 4;~m_verify~0 := 5;~m_update~0 := 6; 47#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_~q~0#1, main_~method_id~0#1, main_~this_state~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_state~0#1 := 0; 4#L24-2true
[2022-11-02 21:02:37,088 INFO L750 eck$LassoCheckResult]: Loop: 4#L24-2true goto; 61#L383true assume !false; 24#L29true assume !(0 == main_~q~0#1); 56#L49true assume !(1 == main_~q~0#1); 65#L101true assume !(2 == main_~q~0#1); 36#L185true assume !(3 == main_~q~0#1); 58#L285true assume !(4 == main_~q~0#1); 4#L24-2true
[2022-11-02 21:02:37,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:02:37,096 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times
[2022-11-02 21:02:37,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:02:37,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074730911]
[2022-11-02 21:02:37,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:02:37,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:02:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:02:37,227 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 21:02:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:02:37,276 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 21:02:37,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:02:37,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1175019824, now seen corresponding path program 1 times
[2022-11-02 21:02:37,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:02:37,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255372124]
[2022-11-02 21:02:37,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:02:37,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:02:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:02:37,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 21:02:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:02:37,317 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 21:02:37,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:02:37,327 INFO L85 PathProgramCache]: Analyzing trace with hash 371277006, now seen corresponding path program 1 times
[2022-11-02 21:02:37,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:02:37,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069238111]
[2022-11-02 21:02:37,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:02:37,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:02:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:02:37,467 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 21:02:37,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:02:37,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069238111]
[2022-11-02 21:02:37,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069238111] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:02:37,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:02:37,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 21:02:37,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106814401]
[2022-11-02 21:02:37,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:02:37,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:02:37,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 21:02:37,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 21:02:37,633 INFO L87 Difference]: Start difference. First operand has 77 states, 76 states have (on average 1.9210526315789473) internal successors, (146), 76 states have internal predecessors, (146), 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 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 21:02:37,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:02:37,711 INFO L93 Difference]: Finished difference Result 80 states and 122 transitions.
[2022-11-02 21:02:37,713 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 122 transitions.
[2022-11-02 21:02:37,717 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56
[2022-11-02 21:02:37,722 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 59 states and 81 transitions.
[2022-11-02 21:02:37,723 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 59
[2022-11-02 21:02:37,724 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59
[2022-11-02 21:02:37,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 81 transitions.
[2022-11-02 21:02:37,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 21:02:37,726 INFO L218 hiAutomatonCegarLoop]: Abstraction has 59 states and 81 transitions.
[2022-11-02 21:02:37,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 81 transitions.
[2022-11-02 21:02:37,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59.
[2022-11-02 21:02:37,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 59 states have (on average 1.3728813559322033) internal successors, (81), 58 states have internal predecessors, (81), 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 21:02:37,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions.
[2022-11-02 21:02:37,791 INFO L240 hiAutomatonCegarLoop]: Abstraction has 59 states and 81 transitions.
[2022-11-02 21:02:37,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 21:02:37,799 INFO L428 stractBuchiCegarLoop]: Abstraction has 59 states and 81 transitions.
[2022-11-02 21:02:37,799 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2022-11-02 21:02:37,800 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 81 transitions.
[2022-11-02 21:02:37,808 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56
[2022-11-02 21:02:37,810 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-02 21:02:37,811 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-02 21:02:37,811 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1]
[2022-11-02 21:02:37,812 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2022-11-02 21:02:37,812 INFO L748 eck$LassoCheckResult]: Stem: 225#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(17, 2);call #Ultimate.allocInit(12, 3);~m_initSign~0 := 1;~m_initVerify~0 := 2;~m_Signature~0 := 3;~m_sign~0 := 4;~m_verify~0 := 5;~m_update~0 := 6; 217#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_~q~0#1, main_~method_id~0#1, main_~this_state~0#1;main_~q~0#1 := 0;havoc main_~method_id~0#1;main_~this_state~0#1 := 0; 171#L24-2 goto; 170#L383
[2022-11-02 21:02:37,813 INFO L750 eck$LassoCheckResult]: Loop: 170#L383 assume !false; 198#L29 assume 0 == main_~q~0#1; 168#L30 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 170#L383
[2022-11-02 21:02:37,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:02:37,814 INFO L85 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times
[2022-11-02 21:02:37,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:02:37,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833685543]
[2022-11-02 21:02:37,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:02:37,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:02:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:02:37,840 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 21:02:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:02:37,861 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 21:02:37,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:02:37,864 INFO L85 PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times
[2022-11-02 21:02:37,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:02:37,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619672811]
[2022-11-02 21:02:37,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:02:37,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:02:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:02:37,877 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 21:02:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:02:37,889 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 21:02:37,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:02:37,893 INFO L85 PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times
[2022-11-02 21:02:37,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:02:37,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644566970]
[2022-11-02 21:02:37,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:02:37,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:02:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:02:37,914 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 21:02:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:02:37,932 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 21:02:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:02:38,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 21:02:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 21:02:38,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 09:02:38 BoogieIcfgContainer
[2022-11-02 21:02:38,405 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2022-11-02 21:02:38,405 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 21:02:38,406 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-02 21:02:38,406 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-02 21:02:38,407 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:02:36" (3/4) ...
[2022-11-02 21:02:38,419 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample
[2022-11-02 21:02:38,488 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbf1369-4414-43d2-baad-ade617d87324/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 21:02:38,488 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 21:02:38,489 INFO L158 Benchmark]: Toolchain (without parser) took 2870.61ms. Allocated memory was 100.7MB in the beginning and 136.3MB in the end (delta: 35.7MB). Free memory was 67.1MB in the beginning and 79.8MB in the end (delta: -12.7MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB.
[2022-11-02 21:02:38,490 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 100.7MB. Free memory was 71.6MB in the beginning and 71.6MB in the end (delta: 29.5kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 21:02:38,490 INFO L158 Benchmark]: CACSL2BoogieTranslator took 456.51ms. Allocated memory is still 100.7MB. Free memory was 66.9MB in the beginning and 75.0MB in the end (delta: -8.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-02 21:02:38,491 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.91ms. Allocated memory is still 100.7MB. Free memory was 75.0MB in the beginning and 73.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 21:02:38,491 INFO L158 Benchmark]: Boogie Preprocessor took 54.48ms. Allocated memory is still 100.7MB. Free memory was 73.0MB in the beginning and 71.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 21:02:38,492 INFO L158 Benchmark]: RCFGBuilder took 677.58ms. Allocated memory is still 100.7MB. Free memory was 71.3MB in the beginning and 55.0MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2022-11-02 21:02:38,493 INFO L158 Benchmark]: BuchiAutomizer took 1544.20ms. Allocated memory was 100.7MB in the beginning and 136.3MB in the end (delta: 35.7MB). Free memory was 54.5MB in the beginning and 81.8MB in the end (delta: -27.3MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB.
[2022-11-02 21:02:38,493 INFO L158 Benchmark]: Witness Printer took 82.91ms. Allocated memory is still 136.3MB. Free memory was 81.8MB in the beginning and 79.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 21:02:38,496 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23ms. Allocated memory is still 100.7MB. Free memory was 71.6MB in the beginning and 71.6MB in the end (delta: 29.5kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 456.51ms. Allocated memory is still 100.7MB. Free memory was 66.9MB in the beginning and 75.0MB in the end (delta: -8.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 46.91ms. Allocated memory is still 100.7MB. Free memory was 75.0MB in the beginning and 73.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 54.48ms. Allocated memory is still 100.7MB. Free memory was 73.0MB in the beginning and 71.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 677.58ms. Allocated memory is still 100.7MB. Free memory was 71.3MB in the beginning and 55.0MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* BuchiAutomizer took 1544.20ms. Allocated memory was 100.7MB in the beginning and 136.3MB in the end (delta: 35.7MB). Free memory was 54.5MB in the beginning and 81.8MB in the end (delta: -27.3MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB.
* Witness Printer took 82.91ms. Allocated memory is still 136.3MB. Free memory was 81.8MB in the beginning and 79.8MB 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: Constructed decomposition of program
Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 59 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 202 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 84 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 118 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s
- TerminationAnalysisResult: Nontermination possible
Buchi Automizer proved that your program is nonterminating for some inputs
- LassoShapedNonTerminationArgument [Line: 24]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite program execution.
Stem:
[L7] int m_initSign = 1;
[L8] int m_initVerify = 2;
[L9] int m_Signature = 3;
[L10] int m_sign = 4;
[L11] int m_verify = 5;
[L12] int m_update = 6;
VAL [m_initSign=1, m_initVerify=2, m_sign=4, m_Signature=3, m_update=6, m_verify=5]
[L17] int q = 0;
[L18] int method_id;
[L21] int this_state = 0;
VAL [m_initSign=1, m_initVerify=2, m_sign=4, m_Signature=3, m_update=6, m_verify=5, q=0, this_state=0]
Loop:
[L24] COND TRUE 1
[L29] COND TRUE q == 0
[L30] COND FALSE !(__VERIFIER_nondet_int())
End of lasso representation.
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 24]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L7] int m_initSign = 1;
[L8] int m_initVerify = 2;
[L9] int m_Signature = 3;
[L10] int m_sign = 4;
[L11] int m_verify = 5;
[L12] int m_update = 6;
VAL [m_initSign=1, m_initVerify=2, m_sign=4, m_Signature=3, m_update=6, m_verify=5]
[L17] int q = 0;
[L18] int method_id;
[L21] int this_state = 0;
VAL [m_initSign=1, m_initVerify=2, m_sign=4, m_Signature=3, m_update=6, m_verify=5, q=0, this_state=0]
Loop:
[L24] COND TRUE 1
[L29] COND TRUE q == 0
[L30] COND FALSE !(__VERIFIER_nondet_int())
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2022-11-02 21:02:38,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbf1369-4414-43d2-baad-ade617d87324/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (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(TERM)