./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/psyco/psyco_abp_1-1.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version b2eff8ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b07ce43-2c65-4549-be85-181cff93e8a3/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b07ce43-2c65-4549-be85-181cff93e8a3/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b07ce43-2c65-4549-be85-181cff93e8a3/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b07ce43-2c65-4549-be85-181cff93e8a3/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/psyco/psyco_abp_1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b07ce43-2c65-4549-be85-181cff93e8a3/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b07ce43-2c65-4549-be85-181cff93e8a3/bin/uautomizer-GMMbpWq8iD --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 39adc6d5c92d5d4be7746cac0afbcc96f3b450588f18f3eb2d03a3ab1e20a3ef
.......................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(TERM)
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-b2eff8b
[2021-10-28 22:54:38,159 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-28 22:54:38,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-28 22:54:38,214 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-28 22:54:38,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-28 22:54:38,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-28 22:54:38,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-28 22:54:38,225 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-28 22:54:38,227 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-28 22:54:38,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-28 22:54:38,234 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-28 22:54:38,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-28 22:54:38,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-28 22:54:38,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-28 22:54:38,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-28 22:54:38,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-28 22:54:38,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-28 22:54:38,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-28 22:54:38,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-28 22:54:38,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-28 22:54:38,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-28 22:54:38,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-28 22:54:38,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-28 22:54:38,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-28 22:54:38,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-28 22:54:38,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-28 22:54:38,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-28 22:54:38,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-28 22:54:38,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-28 22:54:38,280 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-28 22:54:38,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-28 22:54:38,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-28 22:54:38,283 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-28 22:54:38,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-28 22:54:38,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-28 22:54:38,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-28 22:54:38,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-28 22:54:38,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-28 22:54:38,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-28 22:54:38,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-28 22:54:38,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-28 22:54:38,290 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b07ce43-2c65-4549-be85-181cff93e8a3/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf
[2021-10-28 22:54:38,338 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-28 22:54:38,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-28 22:54:38,339 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-28 22:54:38,339 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-28 22:54:38,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-28 22:54:38,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-28 22:54:38,341 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-28 22:54:38,341 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-10-28 22:54:38,341 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2021-10-28 22:54:38,342 INFO L138 SettingsManager]: * Use old map elimination=false
[2021-10-28 22:54:38,343 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2021-10-28 22:54:38,343 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2021-10-28 22:54:38,343 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2021-10-28 22:54:38,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-28 22:54:38,344 INFO L138 SettingsManager]: * sizeof long=4
[2021-10-28 22:54:38,344 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-10-28 22:54:38,344 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-28 22:54:38,344 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-10-28 22:54:38,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-28 22:54:38,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2021-10-28 22:54:38,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-10-28 22:54:38,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2021-10-28 22:54:38,345 INFO L138 SettingsManager]: * sizeof long double=12
[2021-10-28 22:54:38,346 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-28 22:54:38,346 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2021-10-28 22:54:38,346 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-28 22:54:38,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2021-10-28 22:54:38,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-28 22:54:38,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-28 22:54:38,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-28 22:54:38,349 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-28 22:54:38,349 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-28 22:54:38,351 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-10-28 22:54:38,351 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_3b07ce43-2c65-4549-be85-181cff93e8a3/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b07ce43-2c65-4549-be85-181cff93e8a3/bin/uautomizer-GMMbpWq8iD
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39adc6d5c92d5d4be7746cac0afbcc96f3b450588f18f3eb2d03a3ab1e20a3ef
[2021-10-28 22:54:38,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-28 22:54:38,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-28 22:54:38,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-28 22:54:38,664 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-28 22:54:38,666 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-28 22:54:38,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b07ce43-2c65-4549-be85-181cff93e8a3/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/psyco/psyco_abp_1-1.c
[2021-10-28 22:54:38,729 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b07ce43-2c65-4549-be85-181cff93e8a3/bin/uautomizer-GMMbpWq8iD/data/f3fb74fd1/ff862202603a433e9193c52053aeea7b/FLAG2aea1cc16
[2021-10-28 22:54:39,278 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-28 22:54:39,279 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b07ce43-2c65-4549-be85-181cff93e8a3/sv-benchmarks/c/psyco/psyco_abp_1-1.c
[2021-10-28 22:54:39,301 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b07ce43-2c65-4549-be85-181cff93e8a3/bin/uautomizer-GMMbpWq8iD/data/f3fb74fd1/ff862202603a433e9193c52053aeea7b/FLAG2aea1cc16
[2021-10-28 22:54:39,600 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b07ce43-2c65-4549-be85-181cff93e8a3/bin/uautomizer-GMMbpWq8iD/data/f3fb74fd1/ff862202603a433e9193c52053aeea7b
[2021-10-28 22:54:39,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-28 22:54:39,604 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-28 22:54:39,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-28 22:54:39,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-28 22:54:39,610 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-28 22:54:39,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:54:39" (1/1) ...
[2021-10-28 22:54:39,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ee9aa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:39, skipping insertion in model container
[2021-10-28 22:54:39,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:54:39" (1/1) ...
[2021-10-28 22:54:39,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-28 22:54:39,653 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-28 22:54:40,002 WARN L228 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_3b07ce43-2c65-4549-be85-181cff93e8a3/sv-benchmarks/c/psyco/psyco_abp_1-1.c[24818,24831]
[2021-10-28 22:54:40,011 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 22:54:40,022 INFO L203 MainTranslator]: Completed pre-run
[2021-10-28 22:54:40,144 WARN L228 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_3b07ce43-2c65-4549-be85-181cff93e8a3/sv-benchmarks/c/psyco/psyco_abp_1-1.c[24818,24831]
[2021-10-28 22:54:40,151 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 22:54:40,171 INFO L208 MainTranslator]: Completed translation
[2021-10-28 22:54:40,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:40 WrapperNode
[2021-10-28 22:54:40,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-28 22:54:40,173 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-28 22:54:40,173 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-28 22:54:40,173 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-28 22:54:40,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:40" (1/1) ...
[2021-10-28 22:54:40,196 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:40" (1/1) ...
[2021-10-28 22:54:40,258 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-28 22:54:40,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-28 22:54:40,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-28 22:54:40,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-28 22:54:40,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:40" (1/1) ...
[2021-10-28 22:54:40,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:40" (1/1) ...
[2021-10-28 22:54:40,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:40" (1/1) ...
[2021-10-28 22:54:40,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:40" (1/1) ...
[2021-10-28 22:54:40,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:40" (1/1) ...
[2021-10-28 22:54:40,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:40" (1/1) ...
[2021-10-28 22:54:40,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:40" (1/1) ...
[2021-10-28 22:54:40,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-28 22:54:40,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-28 22:54:40,336 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-28 22:54:40,337 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-28 22:54:40,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:40" (1/1) ...
[2021-10-28 22:54:40,347 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 22:54:40,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b07ce43-2c65-4549-be85-181cff93e8a3/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 22:54:40,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b07ce43-2c65-4549-be85-181cff93e8a3/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 22:54:40,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b07ce43-2c65-4549-be85-181cff93e8a3/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-10-28 22:54:40,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-28 22:54:40,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-28 22:54:40,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-28 22:54:40,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-28 22:54:41,256 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-28 22:54:41,256 INFO L299 CfgBuilder]: Removed 6 assume(true) statements.
[2021-10-28 22:54:41,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:54:41 BoogieIcfgContainer
[2021-10-28 22:54:41,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-28 22:54:41,260 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-10-28 22:54:41,260 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2021-10-28 22:54:41,263 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2021-10-28 22:54:41,264 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 22:54:41,265 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 10:54:39" (1/3) ...
[2021-10-28 22:54:41,266 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40b99d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:54:41, skipping insertion in model container
[2021-10-28 22:54:41,266 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 22:54:41,266 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:54:40" (2/3) ...
[2021-10-28 22:54:41,267 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40b99d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:54:41, skipping insertion in model container
[2021-10-28 22:54:41,267 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 22:54:41,267 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:54:41" (3/3) ...
[2021-10-28 22:54:41,268 INFO L389 chiAutomizerObserver]: Analyzing ICFG psyco_abp_1-1.c
[2021-10-28 22:54:41,311 INFO L359 BuchiCegarLoop]: Interprodecural is true
[2021-10-28 22:54:41,311 INFO L360 BuchiCegarLoop]: Hoare is false
[2021-10-28 22:54:41,312 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-10-28 22:54:41,312 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-28 22:54:41,312 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-28 22:54:41,312 INFO L364 BuchiCegarLoop]: Difference is false
[2021-10-28 22:54:41,312 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-28 22:54:41,312 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-10-28 22:54:41,330 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109 states, 108 states have (on average 1.9444444444444444) internal successors, (210), 108 states have internal predecessors, (210), 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)
[2021-10-28 22:54:41,355 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 76
[2021-10-28 22:54:41,355 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 22:54:41,355 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 22:54:41,363 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-10-28 22:54:41,363 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:54:41,364 INFO L425 BuchiCegarLoop]: ======== Iteration 1============
[2021-10-28 22:54:41,365 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 109 states, 108 states have (on average 1.9444444444444444) internal successors, (210), 108 states have internal predecessors, (210), 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)
[2021-10-28 22:54:41,372 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 76
[2021-10-28 22:54:41,372 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 22:54:41,373 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 22:54:41,373 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-10-28 22:54:41,373 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 22:54:41,380 INFO L791 eck$LassoCheckResult]: Stem: 97#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; 28#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_~P1~0, main_~P2~0, main_~P3~0, main_~P4~0, main_~P5~0, main_~P6~0, main_~P7~0, main_~P8~0, main_~P9~0, main_~q~0, main_~method_id~0, main_~this_expect~0, main_~this_buffer_empty~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_expect~0 := 0;main_~this_buffer_empty~0 := 0; 46#L26-2true
[2021-10-28 22:54:41,381 INFO L793 eck$LassoCheckResult]: Loop: 46#L26-2true goto; 48#L563true assume !false;main_~P1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~P2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~P3~0 := main_#t~nondet9;havoc main_#t~nondet9;main_~P4~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~P5~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~P6~0 := main_#t~nondet12;havoc main_#t~nondet12;main_~P7~0 := main_#t~nondet13;havoc main_#t~nondet13;main_~P8~0 := main_#t~nondet14;havoc main_#t~nondet14;main_~P9~0 := main_#t~nondet15;havoc main_#t~nondet15; 76#L40true assume !(main_~this_expect~0 > 16); 33#L40-2true assume !(0 == main_~q~0); 111#L65true assume !(1 == main_~q~0); 6#L165true assume !(2 == main_~q~0); 56#L265true assume !(3 == main_~q~0); 38#L365true assume !(4 == main_~q~0); 105#L465true assume !(5 == main_~q~0); 46#L26-2true
[2021-10-28 22:54:41,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:54:41,387 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times
[2021-10-28 22:54:41,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:54:41,426 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778839650]
[2021-10-28 22:54:41,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:54:41,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:54:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:54:41,514 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 22:54:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:54:41,553 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 22:54:41,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:54:41,556 INFO L85 PathProgramCache]: Analyzing trace with hash 2073703402, now seen corresponding path program 1 times
[2021-10-28 22:54:41,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:54:41,557 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795213606]
[2021-10-28 22:54:41,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:54:41,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:54:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:54:41,566 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 22:54:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:54:41,575 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 22:54:41,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:54:41,577 INFO L85 PathProgramCache]: Analyzing trace with hash 2006272616, now seen corresponding path program 1 times
[2021-10-28 22:54:41,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:54:41,578 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375272842]
[2021-10-28 22:54:41,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:54:41,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:54:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 22:54:41,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 22:54:41,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 22:54:41,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375272842]
[2021-10-28 22:54:41,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375272842] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 22:54:41,655 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 22:54:41,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 22:54:41,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473003052]
[2021-10-28 22:54:41,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 22:54:41,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 22:54:41,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 22:54:41,813 INFO L87 Difference]: Start difference. First operand has 109 states, 108 states have (on average 1.9444444444444444) internal successors, (210), 108 states have internal predecessors, (210), 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 3.6666666666666665) internal successors, (11), 3 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)
[2021-10-28 22:54:41,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 22:54:41,937 INFO L93 Difference]: Finished difference Result 113 states and 210 transitions.
[2021-10-28 22:54:41,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 22:54:41,939 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 113 states and 210 transitions.
[2021-10-28 22:54:41,944 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 79
[2021-10-28 22:54:41,949 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 113 states to 82 states and 125 transitions.
[2021-10-28 22:54:41,950 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 82
[2021-10-28 22:54:41,951 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 82
[2021-10-28 22:54:41,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 82 states and 125 transitions.
[2021-10-28 22:54:41,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 22:54:41,953 INFO L681 BuchiCegarLoop]: Abstraction has 82 states and 125 transitions.
[2021-10-28 22:54:41,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states and 125 transitions.
[2021-10-28 22:54:41,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82.
[2021-10-28 22:54:41,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 82 states have (on average 1.524390243902439) internal successors, (125), 81 states have internal predecessors, (125), 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)
[2021-10-28 22:54:41,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 125 transitions.
[2021-10-28 22:54:41,986 INFO L704 BuchiCegarLoop]: Abstraction has 82 states and 125 transitions.
[2021-10-28 22:54:41,986 INFO L587 BuchiCegarLoop]: Abstraction has 82 states and 125 transitions.
[2021-10-28 22:54:41,986 INFO L425 BuchiCegarLoop]: ======== Iteration 2============
[2021-10-28 22:54:41,987 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states and 125 transitions.
[2021-10-28 22:54:41,988 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 79
[2021-10-28 22:54:41,989 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 22:54:41,989 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 22:54:41,989 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1]
[2021-10-28 22:54:41,989 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1]
[2021-10-28 22:54:41,990 INFO L791 eck$LassoCheckResult]: Stem: 301#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~m_Protocol~0 := 1;~m_msg_2~0 := 2;~m_recv_ack_2~0 := 3;~m_msg_1_1~0 := 4;~m_msg_1_2~0 := 5;~m_recv_ack_1_1~0 := 6;~m_recv_ack_1_2~0 := 7; 288#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_~P1~0, main_~P2~0, main_~P3~0, main_~P4~0, main_~P5~0, main_~P6~0, main_~P7~0, main_~P8~0, main_~P9~0, main_~q~0, main_~method_id~0, main_~this_expect~0, main_~this_buffer_empty~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_expect~0 := 0;main_~this_buffer_empty~0 := 0; 289#L26-2 goto; 255#L563
[2021-10-28 22:54:41,990 INFO L793 eck$LassoCheckResult]: Loop: 255#L563 assume !false;main_~P1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~P2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~P3~0 := main_#t~nondet9;havoc main_#t~nondet9;main_~P4~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~P5~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~P6~0 := main_#t~nondet12;havoc main_#t~nondet12;main_~P7~0 := main_#t~nondet13;havoc main_#t~nondet13;main_~P8~0 := main_#t~nondet14;havoc main_#t~nondet14;main_~P9~0 := main_#t~nondet15;havoc main_#t~nondet15; 277#L40 assume !(main_~this_expect~0 > 16); 278#L40-2 assume 0 == main_~q~0; 254#L46 assume !(0 != main_#t~nondet16);havoc main_#t~nondet16; 255#L563
[2021-10-28 22:54:41,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:54:41,991 INFO L85 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times
[2021-10-28 22:54:41,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:54:41,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005253810]
[2021-10-28 22:54:41,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:54:41,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:54:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:54:42,006 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 22:54:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:54:42,023 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 22:54:42,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:54:42,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1267254, now seen corresponding path program 1 times
[2021-10-28 22:54:42,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:54:42,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414455435]
[2021-10-28 22:54:42,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:54:42,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:54:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:54:42,030 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 22:54:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:54:42,045 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 22:54:42,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:54:42,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1805953496, now seen corresponding path program 1 times
[2021-10-28 22:54:42,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:54:42,046 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167102526]
[2021-10-28 22:54:42,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:54:42,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:54:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:54:42,063 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 22:54:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:54:42,095 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 22:54:42,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 10:54:42 BoogieIcfgContainer
[2021-10-28 22:54:42,687 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-10-28 22:54:42,688 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-28 22:54:42,688 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-28 22:54:42,688 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-28 22:54:42,689 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:54:41" (3/4) ...
[2021-10-28 22:54:42,691 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample
[2021-10-28 22:54:42,743 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b07ce43-2c65-4549-be85-181cff93e8a3/bin/uautomizer-GMMbpWq8iD/witness.graphml
[2021-10-28 22:54:42,751 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-28 22:54:42,753 INFO L168 Benchmark]: Toolchain (without parser) took 3147.71 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 71.5 MB in the beginning and 79.8 MB in the end (delta: -8.3 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB.
[2021-10-28 22:54:42,754 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 104.9 MB. Free memory is still 61.0 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 22:54:42,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 566.32 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 71.4 MB in the beginning and 93.8 MB in the end (delta: -22.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-28 22:54:42,755 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.09 ms. Allocated memory is still 127.9 MB. Free memory was 93.8 MB in the beginning and 89.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-28 22:54:42,755 INFO L168 Benchmark]: Boogie Preprocessor took 75.65 ms. Allocated memory is still 127.9 MB. Free memory was 89.1 MB in the beginning and 86.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-28 22:54:42,756 INFO L168 Benchmark]: RCFGBuilder took 922.96 ms. Allocated memory is still 127.9 MB. Free memory was 86.4 MB in the beginning and 56.6 MB in the end (delta: 29.9 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB.
[2021-10-28 22:54:42,759 INFO L168 Benchmark]: BuchiAutomizer took 1427.13 ms. Allocated memory is still 127.9 MB. Free memory was 56.6 MB in the beginning and 81.9 MB in the end (delta: -25.4 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB.
[2021-10-28 22:54:42,759 INFO L168 Benchmark]: Witness Printer took 63.37 ms. Allocated memory is still 127.9 MB. Free memory was 81.2 MB in the beginning and 79.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 22:54:42,762 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23 ms. Allocated memory is still 104.9 MB. Free memory is still 61.0 MB. There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 566.32 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 71.4 MB in the beginning and 93.8 MB in the end (delta: -22.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 86.09 ms. Allocated memory is still 127.9 MB. Free memory was 93.8 MB in the beginning and 89.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
* Boogie Preprocessor took 75.65 ms. Allocated memory is still 127.9 MB. Free memory was 89.1 MB in the beginning and 86.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
* RCFGBuilder took 922.96 ms. Allocated memory is still 127.9 MB. Free memory was 86.4 MB in the beginning and 56.6 MB in the end (delta: 29.9 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB.
* BuchiAutomizer took 1427.13 ms. Allocated memory is still 127.9 MB. Free memory was 56.6 MB in the beginning and 81.9 MB in the end (delta: -25.4 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB.
* Witness Printer took 63.37 ms. Allocated memory is still 127.9 MB. Free memory was 81.2 MB in the beginning and 79.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB.
* 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 82 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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 82 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 204 SDtfs, 5 SDslu, 158 SDs, 0 SdLazy, 43 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time 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
- TerminationAnalysisResult: Nontermination possible
Buchi Automizer proved that your program is nonterminating for some inputs
- FixpointNonTerminationResult [Line: 26]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite execution
State at position 0 is
{NULL=17979}
State at position 1 is
{NULL=0, m_Protocol=1, NULL=17979, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@384a08b5=14, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@289b5451=23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42e91bc8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6642a01a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@177670d8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b35364a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5fda5788=21, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@552e2433=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3dc99183=22, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f0273b7=19, NULL=0, NULL=0, P8=22, P6=21, P4=14, P2=17, this_buffer_empty=0, this_expect=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26ab0ee0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5b2c3058=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56234fe1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3050a501=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@397bedc1=0, m_recv_ack_1_2=7, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ef261e5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74662693=0, m_msg_1_1=4, NULL=17981, \result=0, m_recv_ack_2=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@21d632e7=15, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7831e0fa=17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6bcc3646=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5b82e6ad=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ecda4b8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ca244=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7fdcbe62=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@bfa8ad=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10b3a62a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33a788ba=0, NULL=17980, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@700c1212=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@156780d5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@fd213b5=0, NULL=0, P9=19, P7=18, NULL=17982, P5=23, P3=20, P1=15, m_msg_2=2, m_msg_1_2=5, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@410853bf=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32b969f4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@166d3fcb=0, q=0, m_recv_ack_1_1=6, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4326d386=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@43ddb459=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@43278316=0, method_id=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7408cc2a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@779efcbf=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@e11cd71=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@717d381f=0}
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 26]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L7] int m_Protocol = 1;
[L8] int m_msg_2 = 2;
[L9] int m_recv_ack_2 = 3;
[L10] int m_msg_1_1 = 4;
[L11] int m_msg_1_2 = 5;
[L12] int m_recv_ack_1_1 = 6;
[L13] int m_recv_ack_1_2 = 7;
[L18] int q = 0;
[L19] int method_id;
[L22] int this_expect = 0;
[L23] int this_buffer_empty = 0;
Loop:
[L26] COND TRUE 1
[L29] int P1=__VERIFIER_nondet_int();
[L30] int P2=__VERIFIER_nondet_int();
[L31] int P3=__VERIFIER_nondet_int();
[L32] int P4=__VERIFIER_nondet_int();
[L33] int P5=__VERIFIER_nondet_int();
[L34] int P6=__VERIFIER_nondet_int();
[L35] int P7=__VERIFIER_nondet_int();
[L36] int P8=__VERIFIER_nondet_int();
[L37] int P9=__VERIFIER_nondet_int();
[L40] COND FALSE !(this_expect > 16)
[L45] COND TRUE q == 0
[L46] COND FALSE !(__VERIFIER_nondet_int())
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2021-10-28 22:54:42,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b07ce43-2c65-4549-be85-181cff93e8a3/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...