./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version 63182f13
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y --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 a7eb970df9460734baa401f9be0d88efb243a90e1dffe6744cd9f9a47afa0217
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:48:06,139 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:48:06,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:48:06,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:48:06,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:48:06,213 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:48:06,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:48:06,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:48:06,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:48:06,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:48:06,225 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:48:06,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:48:06,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:48:06,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:48:06,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:48:06,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:48:06,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:48:06,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:48:06,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:48:06,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:48:06,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:48:06,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:48:06,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:48:06,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:48:06,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:48:06,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:48:06,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:48:06,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:48:06,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:48:06,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:48:06,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:48:06,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:48:06,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:48:06,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:48:06,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:48:06,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:48:06,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:48:06,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:48:06,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:48:06,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:48:06,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:48:06,281 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf
[2021-11-13 18:48:06,347 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 18:48:06,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:48:06,357 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:48:06,357 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:48:06,359 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:48:06,360 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 18:48:06,361 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 18:48:06,361 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-11-13 18:48:06,362 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2021-11-13 18:48:06,362 INFO L138 SettingsManager]: * Use old map elimination=false
[2021-11-13 18:48:06,364 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2021-11-13 18:48:06,364 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2021-11-13 18:48:06,364 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2021-11-13 18:48:06,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:48:06,365 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-13 18:48:06,365 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-11-13 18:48:06,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 18:48:06,366 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-13 18:48:06,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 18:48:06,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2021-11-13 18:48:06,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-11-13 18:48:06,367 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2021-11-13 18:48:06,368 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-13 18:48:06,368 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 18:48:06,368 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2021-11-13 18:48:06,369 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 18:48:06,369 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2021-11-13 18:48:06,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:48:06,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 18:48:06,370 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:48:06,370 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-13 18:48:06,371 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 18:48:06,372 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-11-13 18:48:06,373 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_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7eb970df9460734baa401f9be0d88efb243a90e1dffe6744cd9f9a47afa0217
[2021-11-13 18:48:06,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:48:06,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:48:06,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:48:06,746 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 18:48:06,747 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 18:48:06,749 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c
[2021-11-13 18:48:06,843 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/data/41f5b5da9/8ac7b9783e134d03845612aa298e5801/FLAG791aaf92e
[2021-11-13 18:48:07,442 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 18:48:07,443 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c
[2021-11-13 18:48:07,457 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/data/41f5b5da9/8ac7b9783e134d03845612aa298e5801/FLAG791aaf92e
[2021-11-13 18:48:07,781 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/data/41f5b5da9/8ac7b9783e134d03845612aa298e5801
[2021-11-13 18:48:07,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:48:07,789 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 18:48:07,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:48:07,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:48:07,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:48:07,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:48:07" (1/1) ...
[2021-11-13 18:48:07,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b575db4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:07, skipping insertion in model container
[2021-11-13 18:48:07,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:48:07" (1/1) ...
[2021-11-13 18:48:07,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 18:48:07,864 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:48:08,177 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_359ec349-1275-460e-aba0-cc7c782b498d/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c[6691,6704]
[2021-11-13 18:48:08,179 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:48:08,205 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 18:48:08,300 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_359ec349-1275-460e-aba0-cc7c782b498d/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c[6691,6704]
[2021-11-13 18:48:08,316 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:48:08,336 INFO L208 MainTranslator]: Completed translation
[2021-11-13 18:48:08,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:08 WrapperNode
[2021-11-13 18:48:08,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:48:08,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 18:48:08,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 18:48:08,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 18:48:08,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:08" (1/1) ...
[2021-11-13 18:48:08,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:08" (1/1) ...
[2021-11-13 18:48:08,436 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 18:48:08,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 18:48:08,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 18:48:08,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 18:48:08,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:08" (1/1) ...
[2021-11-13 18:48:08,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:08" (1/1) ...
[2021-11-13 18:48:08,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:08" (1/1) ...
[2021-11-13 18:48:08,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:08" (1/1) ...
[2021-11-13 18:48:08,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:08" (1/1) ...
[2021-11-13 18:48:08,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:08" (1/1) ...
[2021-11-13 18:48:08,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:08" (1/1) ...
[2021-11-13 18:48:08,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 18:48:08,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 18:48:08,522 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 18:48:08,522 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 18:48:08,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:08" (1/1) ...
[2021-11-13 18:48:08,535 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:48:08,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:48:08,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:48:08,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-11-13 18:48:08,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 18:48:08,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 18:48:08,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 18:48:08,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 18:48:09,321 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 18:48:09,322 INFO L299 CfgBuilder]: Removed 1 assume(true) statements.
[2021-11-13 18:48:09,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:48:09 BoogieIcfgContainer
[2021-11-13 18:48:09,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 18:48:09,327 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-11-13 18:48:09,327 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2021-11-13 18:48:09,332 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2021-11-13 18:48:09,333 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-13 18:48:09,333 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 06:48:07" (1/3) ...
[2021-11-13 18:48:09,335 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6de049a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:48:09, skipping insertion in model container
[2021-11-13 18:48:09,336 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-13 18:48:09,336 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:48:08" (2/3) ...
[2021-11-13 18:48:09,337 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6de049a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:48:09, skipping insertion in model container
[2021-11-13 18:48:09,337 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-13 18:48:09,337 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:48:09" (3/3) ...
[2021-11-13 18:48:09,339 INFO L388 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c
[2021-11-13 18:48:09,410 INFO L359 BuchiCegarLoop]: Interprodecural is true
[2021-11-13 18:48:09,410 INFO L360 BuchiCegarLoop]: Hoare is false
[2021-11-13 18:48:09,411 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-11-13 18:48:09,411 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-11-13 18:48:09,412 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-11-13 18:48:09,412 INFO L364 BuchiCegarLoop]: Difference is false
[2021-11-13 18:48:09,412 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-11-13 18:48:09,412 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-11-13 18:48:09,436 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 75 states, 74 states have (on average 1.662162162162162) internal successors, (123), 74 states have internal predecessors, (123), 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)
[2021-11-13 18:48:09,468 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 48
[2021-11-13 18:48:09,469 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 18:48:09,469 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-11-13 18:48:09,479 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:48:09,480 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:48:09,480 INFO L425 BuchiCegarLoop]: ======== Iteration 1============
[2021-11-13 18:48:09,481 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 75 states, 74 states have (on average 1.662162162162162) internal successors, (123), 74 states have internal predecessors, (123), 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)
[2021-11-13 18:48:09,490 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 48
[2021-11-13 18:48:09,490 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 18:48:09,491 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-11-13 18:48:09,492 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:48:09,493 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:48:09,502 INFO L791 eck$LassoCheckResult]: Stem: 56#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#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(49);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0; 40#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc 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_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~ret28#1, main_#t~ret29#1, main_#t~post30#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~id1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~st1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~send1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~mode1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~alive1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~id2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~st2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~send2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~mode2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~alive2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id3~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~st3~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~send3~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~mode3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~alive3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 65#L156true assume !(0 == ~r1~0);init_~tmp~0#1 := 0; 29#L156-1true init_#res#1 := init_~tmp~0#1; 38#L225true main_#t~ret28#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret28#1;havoc main_#t~ret28#1; 45#L272true assume 0 == main_~i2~0#1;assume false; 22#L272-2true ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 39#L280-2true
[2021-11-13 18:48:09,503 INFO L793 eck$LassoCheckResult]: Loop: 39#L280-2true assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true;havoc node1_#t~ite7#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 73#L57true assume !(0 != ~mode1~0 % 256); 67#L75true assume !(0 != ~alive1~0 % 256); 52#L75-2true ~mode1~0 := 1; 61#L57-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite8#1, node2_#t~ite9#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 8#L89true assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 47#L92true assume !(node2_~m2~0#1 != ~nomsg~0); 36#L92-1true ~mode2~0 := 0; 20#L89-2true assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite10#1, node3_#t~ite11#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 24#L123true assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 5#L126true assume !(node3_~m3~0#1 != ~nomsg~0); 55#L126-1true ~mode3~0 := 0; 48#L123-2true assume { :end_inline_node3 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 71#L233true assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);check_~tmp~1#1 := 0; 72#L233-1true check_#res#1 := check_~tmp~1#1; 27#L245true main_#t~ret29#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret29#1;havoc main_#t~ret29#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 28#L304true assume !(0 == assert_~arg#1 % 256); 37#L299true assume { :end_inline_assert } true;main_#t~post30#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post30#1;havoc main_#t~post30#1; 39#L280-2true
[2021-11-13 18:48:09,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:48:09,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1898425706, now seen corresponding path program 1 times
[2021-11-13 18:48:09,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:48:09,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797367888]
[2021-11-13 18:48:09,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:48:09,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:48:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:48:09,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:48:09,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:48:09,725 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797367888]
[2021-11-13 18:48:09,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797367888] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:48:09,727 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:48:09,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-13 18:48:09,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942102375]
[2021-11-13 18:48:09,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:48:09,737 INFO L796 eck$LassoCheckResult]: stem already infeasible
[2021-11-13 18:48:09,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:48:09,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1582780898, now seen corresponding path program 1 times
[2021-11-13 18:48:09,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:48:09,739 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623837363]
[2021-11-13 18:48:09,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:48:09,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:48:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:48:09,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:48:09,950 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:48:09,951 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623837363]
[2021-11-13 18:48:09,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623837363] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:48:09,952 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:48:09,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-11-13 18:48:09,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339406504]
[2021-11-13 18:48:09,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:48:09,954 INFO L808 eck$LassoCheckResult]: loop already infeasible
[2021-11-13 18:48:09,955 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:48:09,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-13 18:48:09,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-13 18:48:09,999 INFO L87 Difference]: Start difference. First operand has 75 states, 74 states have (on average 1.662162162162162) internal successors, (123), 74 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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)
[2021-11-13 18:48:10,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:48:10,017 INFO L93 Difference]: Finished difference Result 75 states and 120 transitions.
[2021-11-13 18:48:10,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-13 18:48:10,025 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 120 transitions.
[2021-11-13 18:48:10,032 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 47
[2021-11-13 18:48:10,039 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 70 states and 115 transitions.
[2021-11-13 18:48:10,041 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 70
[2021-11-13 18:48:10,042 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 70
[2021-11-13 18:48:10,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 70 states and 115 transitions.
[2021-11-13 18:48:10,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:48:10,045 INFO L681 BuchiCegarLoop]: Abstraction has 70 states and 115 transitions.
[2021-11-13 18:48:10,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states and 115 transitions.
[2021-11-13 18:48:10,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70.
[2021-11-13 18:48:10,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 70 states have (on average 1.6428571428571428) internal successors, (115), 69 states have internal predecessors, (115), 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)
[2021-11-13 18:48:10,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 115 transitions.
[2021-11-13 18:48:10,089 INFO L704 BuchiCegarLoop]: Abstraction has 70 states and 115 transitions.
[2021-11-13 18:48:10,090 INFO L587 BuchiCegarLoop]: Abstraction has 70 states and 115 transitions.
[2021-11-13 18:48:10,090 INFO L425 BuchiCegarLoop]: ======== Iteration 2============
[2021-11-13 18:48:10,090 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states and 115 transitions.
[2021-11-13 18:48:10,093 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 47
[2021-11-13 18:48:10,094 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 18:48:10,094 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-11-13 18:48:10,095 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:48:10,096 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:48:10,096 INFO L791 eck$LassoCheckResult]: Stem: 224#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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(49);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0; 211#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc 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_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~ret28#1, main_#t~ret29#1, main_#t~post30#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~id1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~st1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~send1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~mode1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~alive1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~id2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~st2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~send2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~mode2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~alive2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id3~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~st3~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~send3~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~mode3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~alive3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 212#L156 assume !(0 == ~r1~0);init_~tmp~0#1 := 0; 180#L156-1 init_#res#1 := init_~tmp~0#1; 205#L225 main_#t~ret28#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret28#1;havoc main_#t~ret28#1; 209#L272 assume !(0 == main_~i2~0#1); 197#L272-2 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 198#L280-2
[2021-11-13 18:48:10,096 INFO L793 eck$LassoCheckResult]: Loop: 198#L280-2 assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true;havoc node1_#t~ite7#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 210#L57 assume !(0 != ~mode1~0 % 256); 229#L75 assume !(0 != ~alive1~0 % 256); 222#L75-2 ~mode1~0 := 1; 219#L57-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite8#1, node2_#t~ite9#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 171#L89 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 173#L92 assume !(node2_~m2~0#1 != ~nomsg~0); 185#L92-1 ~mode2~0 := 0; 194#L89-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite10#1, node3_#t~ite11#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 195#L123 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 163#L126 assume !(node3_~m3~0#1 != ~nomsg~0); 165#L126-1 ~mode3~0 := 0; 189#L123-2 assume { :end_inline_node3 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 217#L233 assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);check_~tmp~1#1 := 0; 177#L233-1 check_#res#1 := check_~tmp~1#1; 201#L245 main_#t~ret29#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret29#1;havoc main_#t~ret29#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 202#L304 assume !(0 == assert_~arg#1 % 256); 203#L299 assume { :end_inline_assert } true;main_#t~post30#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post30#1;havoc main_#t~post30#1; 198#L280-2
[2021-11-13 18:48:10,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:48:10,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1898425768, now seen corresponding path program 1 times
[2021-11-13 18:48:10,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:48:10,098 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942513066]
[2021-11-13 18:48:10,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:48:10,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:48:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:48:10,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:48:10,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:48:10,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942513066]
[2021-11-13 18:48:10,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942513066] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:48:10,173 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:48:10,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-11-13 18:48:10,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742676413]
[2021-11-13 18:48:10,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:48:10,175 INFO L796 eck$LassoCheckResult]: stem already infeasible
[2021-11-13 18:48:10,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:48:10,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1582780898, now seen corresponding path program 2 times
[2021-11-13 18:48:10,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:48:10,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620056029]
[2021-11-13 18:48:10,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:48:10,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:48:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:48:10,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:48:10,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:48:10,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620056029]
[2021-11-13 18:48:10,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620056029] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:48:10,347 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:48:10,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-11-13 18:48:10,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506265306]
[2021-11-13 18:48:10,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:48:10,349 INFO L808 eck$LassoCheckResult]: loop already infeasible
[2021-11-13 18:48:10,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:48:10,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-11-13 18:48:10,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:48:10,350 INFO L87 Difference]: Start difference. First operand 70 states and 115 transitions. cyclomatic complexity: 46 Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 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)
[2021-11-13 18:48:10,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:48:10,511 INFO L93 Difference]: Finished difference Result 120 states and 192 transitions.
[2021-11-13 18:48:10,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-11-13 18:48:10,517 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 120 states and 192 transitions.
[2021-11-13 18:48:10,527 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 47
[2021-11-13 18:48:10,530 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 120 states to 117 states and 173 transitions.
[2021-11-13 18:48:10,531 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 117
[2021-11-13 18:48:10,532 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 117
[2021-11-13 18:48:10,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 117 states and 173 transitions.
[2021-11-13 18:48:10,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:48:10,544 INFO L681 BuchiCegarLoop]: Abstraction has 117 states and 173 transitions.
[2021-11-13 18:48:10,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states and 173 transitions.
[2021-11-13 18:48:10,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 70.
[2021-11-13 18:48:10,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 70 states have (on average 1.4) internal successors, (98), 69 states have internal predecessors, (98), 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)
[2021-11-13 18:48:10,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 98 transitions.
[2021-11-13 18:48:10,559 INFO L704 BuchiCegarLoop]: Abstraction has 70 states and 98 transitions.
[2021-11-13 18:48:10,559 INFO L587 BuchiCegarLoop]: Abstraction has 70 states and 98 transitions.
[2021-11-13 18:48:10,559 INFO L425 BuchiCegarLoop]: ======== Iteration 3============
[2021-11-13 18:48:10,559 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states and 98 transitions.
[2021-11-13 18:48:10,566 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 47
[2021-11-13 18:48:10,566 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 18:48:10,566 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-11-13 18:48:10,572 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:48:10,572 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:48:10,573 INFO L791 eck$LassoCheckResult]: Stem: 429#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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(49);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0; 416#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc 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_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~ret28#1, main_#t~ret29#1, main_#t~post30#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~id1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~st1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~send1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~mode1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~alive1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~id2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~st2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~send2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~mode2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~alive2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id3~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~st3~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~send3~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~mode3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~alive3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 417#L156 assume 0 == ~r1~0; 386#L157 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 >= 1; 387#L158 assume ~id1~0 >= 0; 391#L159 assume 0 == ~st1~0; 392#L160 assume ~send1~0 == ~id1~0; 396#L161 assume 0 == ~mode1~0 % 256; 397#L162 assume ~id2~0 >= 0; 411#L163 assume 0 == ~st2~0; 400#L164 assume ~send2~0 == ~id2~0; 394#L165 assume 0 == ~mode2~0 % 256; 395#L166 assume ~id3~0 >= 0; 403#L167 assume 0 == ~st3~0; 384#L168 assume ~send3~0 == ~id3~0; 385#L169 assume 0 == ~mode3~0 % 256; 433#L170 assume ~id1~0 != ~id2~0; 420#L171 assume ~id1~0 != ~id3~0; 418#L172 assume ~id2~0 != ~id3~0;init_~tmp~0#1 := 1; 408#L156-1 init_#res#1 := init_~tmp~0#1; 409#L225 main_#t~ret28#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret28#1;havoc main_#t~ret28#1; 414#L272 assume !(0 == main_~i2~0#1); 401#L272-2 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 402#L280-2
[2021-11-13 18:48:10,573 INFO L793 eck$LassoCheckResult]: Loop: 402#L280-2 assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true;havoc node1_#t~ite7#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 415#L57 assume !(0 != ~mode1~0 % 256); 434#L75 assume !(0 != ~alive1~0 % 256); 427#L75-2 ~mode1~0 := 1; 422#L57-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite8#1, node2_#t~ite9#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 376#L89 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 378#L92 assume !(node2_~m2~0#1 != ~nomsg~0); 389#L92-1 ~mode2~0 := 0; 398#L89-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite10#1, node3_#t~ite11#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 399#L123 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 368#L126 assume !(node3_~m3~0#1 != ~nomsg~0); 370#L126-1 ~mode3~0 := 0; 393#L123-2 assume { :end_inline_node3 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 423#L233 assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);check_~tmp~1#1 := 0; 382#L233-1 check_#res#1 := check_~tmp~1#1; 405#L245 main_#t~ret29#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret29#1;havoc main_#t~ret29#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 406#L304 assume !(0 == assert_~arg#1 % 256); 407#L299 assume { :end_inline_assert } true;main_#t~post30#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post30#1;havoc main_#t~post30#1; 402#L280-2
[2021-11-13 18:48:10,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:48:10,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1524872798, now seen corresponding path program 1 times
[2021-11-13 18:48:10,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:48:10,578 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906461081]
[2021-11-13 18:48:10,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:48:10,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:48:10,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:48:10,641 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:48:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:48:10,723 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:48:10,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:48:10,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1582780898, now seen corresponding path program 3 times
[2021-11-13 18:48:10,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:48:10,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085729913]
[2021-11-13 18:48:10,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:48:10,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:48:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:48:10,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:48:10,830 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:48:10,830 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085729913]
[2021-11-13 18:48:10,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085729913] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:48:10,831 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:48:10,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-11-13 18:48:10,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241053371]
[2021-11-13 18:48:10,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:48:10,832 INFO L808 eck$LassoCheckResult]: loop already infeasible
[2021-11-13 18:48:10,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:48:10,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-11-13 18:48:10,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:48:10,834 INFO L87 Difference]: Start difference. First operand 70 states and 98 transitions. cyclomatic complexity: 29 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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)
[2021-11-13 18:48:10,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:48:10,891 INFO L93 Difference]: Finished difference Result 73 states and 100 transitions.
[2021-11-13 18:48:10,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-13 18:48:10,896 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 100 transitions.
[2021-11-13 18:48:10,903 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 47
[2021-11-13 18:48:10,908 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 70 states and 96 transitions.
[2021-11-13 18:48:10,909 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 70
[2021-11-13 18:48:10,909 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 70
[2021-11-13 18:48:10,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 70 states and 96 transitions.
[2021-11-13 18:48:10,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:48:10,910 INFO L681 BuchiCegarLoop]: Abstraction has 70 states and 96 transitions.
[2021-11-13 18:48:10,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states and 96 transitions.
[2021-11-13 18:48:10,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70.
[2021-11-13 18:48:10,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 69 states have internal predecessors, (96), 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)
[2021-11-13 18:48:10,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 96 transitions.
[2021-11-13 18:48:10,917 INFO L704 BuchiCegarLoop]: Abstraction has 70 states and 96 transitions.
[2021-11-13 18:48:10,918 INFO L587 BuchiCegarLoop]: Abstraction has 70 states and 96 transitions.
[2021-11-13 18:48:10,918 INFO L425 BuchiCegarLoop]: ======== Iteration 4============
[2021-11-13 18:48:10,918 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states and 96 transitions.
[2021-11-13 18:48:10,919 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 47
[2021-11-13 18:48:10,919 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 18:48:10,919 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-11-13 18:48:10,923 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:48:10,924 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:48:10,924 INFO L791 eck$LassoCheckResult]: Stem: 584#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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(49);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0; 571#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc 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_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~ret28#1, main_#t~ret29#1, main_#t~post30#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~id1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~st1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~send1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~mode1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~alive1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~id2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~st2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~send2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~mode2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~alive2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id3~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~st3~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~send3~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~mode3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~alive3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 572#L156 assume 0 == ~r1~0; 541#L157 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 >= 1; 542#L158 assume ~id1~0 >= 0; 545#L159 assume 0 == ~st1~0; 546#L160 assume ~send1~0 == ~id1~0; 551#L161 assume 0 == ~mode1~0 % 256; 552#L162 assume ~id2~0 >= 0; 566#L163 assume 0 == ~st2~0; 555#L164 assume ~send2~0 == ~id2~0; 549#L165 assume 0 == ~mode2~0 % 256; 550#L166 assume ~id3~0 >= 0; 558#L167 assume 0 == ~st3~0; 539#L168 assume ~send3~0 == ~id3~0; 540#L169 assume 0 == ~mode3~0 % 256; 588#L170 assume ~id1~0 != ~id2~0; 575#L171 assume ~id1~0 != ~id3~0; 573#L172 assume ~id2~0 != ~id3~0;init_~tmp~0#1 := 1; 563#L156-1 init_#res#1 := init_~tmp~0#1; 564#L225 main_#t~ret28#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret28#1;havoc main_#t~ret28#1; 569#L272 assume !(0 == main_~i2~0#1); 556#L272-2 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 557#L280-2
[2021-11-13 18:48:10,931 INFO L793 eck$LassoCheckResult]: Loop: 557#L280-2 assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true;havoc node1_#t~ite7#1, node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 570#L57 assume !(0 != ~mode1~0 % 256); 589#L75 assume !(0 != ~alive1~0 % 256); 582#L75-2 ~mode1~0 := 1; 577#L57-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite8#1, node2_#t~ite9#1, node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 531#L89 assume 0 != ~mode2~0 % 256;node2_~m2~0#1 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 533#L92 assume !(node2_~m2~0#1 != ~nomsg~0); 544#L92-1 ~mode2~0 := 0; 553#L89-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite10#1, node3_#t~ite11#1, node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 554#L123 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 523#L126 assume !(node3_~m3~0#1 != ~nomsg~0); 525#L126-1 ~mode3~0 := 0; 548#L123-2 assume { :end_inline_node3 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 578#L233 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 536#L234 assume ~r1~0 < 3;check_~tmp~1#1 := 1; 537#L233-1 check_#res#1 := check_~tmp~1#1; 560#L245 main_#t~ret29#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret29#1;havoc main_#t~ret29#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 561#L304 assume !(0 == assert_~arg#1 % 256); 562#L299 assume { :end_inline_assert } true;main_#t~post30#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post30#1;havoc main_#t~post30#1; 557#L280-2
[2021-11-13 18:48:10,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:48:10,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1524872798, now seen corresponding path program 2 times
[2021-11-13 18:48:10,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:48:10,936 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463947039]
[2021-11-13 18:48:10,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:48:10,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:48:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:48:10,985 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:48:11,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:48:11,047 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:48:11,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:48:11,048 INFO L85 PathProgramCache]: Analyzing trace with hash 2090072442, now seen corresponding path program 1 times
[2021-11-13 18:48:11,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:48:11,058 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856672304]
[2021-11-13 18:48:11,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:48:11,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:48:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:48:11,074 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:48:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:48:11,113 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:48:11,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:48:11,115 INFO L85 PathProgramCache]: Analyzing trace with hash 755196925, now seen corresponding path program 1 times
[2021-11-13 18:48:11,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:48:11,115 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494732488]
[2021-11-13 18:48:11,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:48:11,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:48:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:48:11,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:48:11,220 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:48:11,220 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494732488]
[2021-11-13 18:48:11,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494732488] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:48:11,221 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:48:11,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:48:11,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334959713]
[2021-11-13 18:48:11,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:48:11,886 INFO L210 LassoAnalysis]: Preferences:
[2021-11-13 18:48:11,886 INFO L126 ssoRankerPreferences]: Compute integeral hull: false
[2021-11-13 18:48:11,886 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2021-11-13 18:48:11,887 INFO L128 ssoRankerPreferences]: Term annotations enabled: false
[2021-11-13 18:48:11,887 INFO L129 ssoRankerPreferences]: Use exernal solver: true
[2021-11-13 18:48:11,887 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:48:11,888 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false
[2021-11-13 18:48:11,888 INFO L132 ssoRankerPreferences]: Path of dumped script:
[2021-11-13 18:48:11,888 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_Iteration4_Loop
[2021-11-13 18:48:11,888 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank
[2021-11-13 18:48:11,897 INFO L276 LassoAnalysis]: Starting lasso preprocessing...
[2021-11-13 18:48:11,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:11,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:11,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:11,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:11,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:11,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:11,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:11,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:11,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:11,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:11,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:11,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:11,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:12,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:12,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:12,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:12,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:12,505 INFO L294 LassoAnalysis]: Preprocessing complete.
[2021-11-13 18:48:12,507 INFO L404 LassoAnalysis]: Checking for nontermination...
[2021-11-13 18:48:12,510 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:48:12,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:48:12,513 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:48:12,527 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2021-11-13 18:48:12,527 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2021-11-13 18:48:12,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process
[2021-11-13 18:48:12,563 INFO L437 LassoAnalysis]: Proved nontermination for one component.
[2021-11-13 18:48:12,563 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_node1_#t~ite7#1=0} Honda state: {ULTIMATE.start_node1_#t~ite7#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: []
[2021-11-13 18:48:12,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0
[2021-11-13 18:48:12,593 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:48:12,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:48:12,598 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:48:12,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process
[2021-11-13 18:48:12,600 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2021-11-13 18:48:12,600 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2021-11-13 18:48:12,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0
[2021-11-13 18:48:12,758 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:48:12,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:48:12,761 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:48:12,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process
[2021-11-13 18:48:12,765 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true
[2021-11-13 18:48:12,765 INFO L160 nArgumentSynthesizer]: Using integer mode.
[2021-11-13 18:48:13,094 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists.
[2021-11-13 18:48:13,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0
[2021-11-13 18:48:13,098 INFO L210 LassoAnalysis]: Preferences:
[2021-11-13 18:48:13,098 INFO L126 ssoRankerPreferences]: Compute integeral hull: false
[2021-11-13 18:48:13,098 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2021-11-13 18:48:13,098 INFO L128 ssoRankerPreferences]: Term annotations enabled: false
[2021-11-13 18:48:13,099 INFO L129 ssoRankerPreferences]: Use exernal solver: false
[2021-11-13 18:48:13,099 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:48:13,099 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false
[2021-11-13 18:48:13,099 INFO L132 ssoRankerPreferences]: Path of dumped script:
[2021-11-13 18:48:13,099 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c_Iteration4_Loop
[2021-11-13 18:48:13,099 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank
[2021-11-13 18:48:13,099 INFO L276 LassoAnalysis]: Starting lasso preprocessing...
[2021-11-13 18:48:13,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:13,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:13,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:13,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:13,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:13,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:13,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:13,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:13,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:13,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:13,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:13,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:13,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:13,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:13,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:13,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:13,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-11-13 18:48:13,636 INFO L294 LassoAnalysis]: Preprocessing complete.
[2021-11-13 18:48:13,648 INFO L490 LassoAnalysis]: Using template 'affine'.
[2021-11-13 18:48:13,650 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:48:13,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:48:13,651 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:48:13,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2021-11-13 18:48:13,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process
[2021-11-13 18:48:13,667 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:48:13,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-11-13 18:48:13,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:48:13,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:48:13,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:48:13,672 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-11-13 18:48:13,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-11-13 18:48:13,689 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:48:13,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0
[2021-11-13 18:48:13,738 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:48:13,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:48:13,740 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:48:13,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2021-11-13 18:48:13,759 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:48:13,760 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-11-13 18:48:13,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:48:13,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:48:13,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:48:13,763 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-11-13 18:48:13,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-11-13 18:48:13,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process
[2021-11-13 18:48:13,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:48:13,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0
[2021-11-13 18:48:13,823 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:48:13,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:48:13,825 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:48:13,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2021-11-13 18:48:13,851 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:48:13,851 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-11-13 18:48:13,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:48:13,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:48:13,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:48:13,853 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-11-13 18:48:13,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-11-13 18:48:13,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process
[2021-11-13 18:48:13,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:48:13,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0
[2021-11-13 18:48:13,910 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:48:13,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:48:13,912 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:48:13,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2021-11-13 18:48:13,934 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:48:13,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-11-13 18:48:13,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:48:13,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:48:13,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:48:13,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-11-13 18:48:13,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-11-13 18:48:13,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process
[2021-11-13 18:48:13,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 18:48:13,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0
[2021-11-13 18:48:13,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:48:13,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:48:13,977 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:48:13,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process
[2021-11-13 18:48:13,982 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2021-11-13 18:48:13,991 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 18:48:13,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-11-13 18:48:13,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 18:48:13,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 18:48:13,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 18:48:13,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-11-13 18:48:13,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-11-13 18:48:13,996 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2021-11-13 18:48:14,018 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver.
[2021-11-13 18:48:14,019 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero.
[2021-11-13 18:48:14,020 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 18:48:14,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:48:14,032 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 18:48:14,037 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants...
[2021-11-13 18:48:14,037 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0.
[2021-11-13 18:48:14,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process
[2021-11-13 18:48:14,037 INFO L513 LassoAnalysis]: Proved termination.
[2021-11-13 18:48:14,038 INFO L515 LassoAnalysis]: Termination argument consisting of:
Ranking function f(ULTIMATE.start_main_~i2~0#1) = -2*ULTIMATE.start_main_~i2~0#1 + 11
Supporting invariants []
[2021-11-13 18:48:14,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0
[2021-11-13 18:48:14,066 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed
[2021-11-13 18:48:14,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:48:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:48:14,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-11-13 18:48:14,174 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:48:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:48:14,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-11-13 18:48:14,286 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:48:14,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0
[2021-11-13 18:48:14,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:48:14,522 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates
[2021-11-13 18:48:14,523 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 70 states and 96 transitions. cyclomatic complexity: 27 Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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)
[2021-11-13 18:48:14,601 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 70 states and 96 transitions. cyclomatic complexity: 27. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) Result 117 states and 170 transitions. Complement of second has 4 states.
[2021-11-13 18:48:14,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states
[2021-11-13 18:48:14,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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)
[2021-11-13 18:48:14,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 96 transitions.
[2021-11-13 18:48:14,606 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 96 transitions. Stem has 23 letters. Loop has 19 letters.
[2021-11-13 18:48:14,609 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2021-11-13 18:48:14,609 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 96 transitions. Stem has 42 letters. Loop has 19 letters.
[2021-11-13 18:48:14,611 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2021-11-13 18:48:14,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 96 transitions. Stem has 23 letters. Loop has 38 letters.
[2021-11-13 18:48:14,615 INFO L116 BuchiAccepts]: Finished buchiAccepts.
[2021-11-13 18:48:14,615 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 117 states and 170 transitions.
[2021-11-13 18:48:14,619 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2021-11-13 18:48:14,619 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 117 states to 0 states and 0 transitions.
[2021-11-13 18:48:14,619 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0
[2021-11-13 18:48:14,619 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0
[2021-11-13 18:48:14,620 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions.
[2021-11-13 18:48:14,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:48:14,620 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-13 18:48:14,620 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-13 18:48:14,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:48:14,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:48:14,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:48:14,622 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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)
[2021-11-13 18:48:14,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:48:14,622 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions.
[2021-11-13 18:48:14,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-13 18:48:14,625 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions.
[2021-11-13 18:48:14,626 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2021-11-13 18:48:14,626 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions.
[2021-11-13 18:48:14,626 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0
[2021-11-13 18:48:14,626 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0
[2021-11-13 18:48:14,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions.
[2021-11-13 18:48:14,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-11-13 18:48:14,627 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-13 18:48:14,627 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-13 18:48:14,627 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-13 18:48:14,627 INFO L425 BuchiCegarLoop]: ======== Iteration 5============
[2021-11-13 18:48:14,627 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions.
[2021-11-13 18:48:14,628 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0
[2021-11-13 18:48:14,628 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true
[2021-11-13 18:48:14,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 06:48:14 BoogieIcfgContainer
[2021-11-13 18:48:14,644 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-11-13 18:48:14,645 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 18:48:14,645 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-13 18:48:14,645 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-13 18:48:14,646 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:48:09" (3/4) ...
[2021-11-13 18:48:14,651 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2021-11-13 18:48:14,652 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 18:48:14,654 INFO L158 Benchmark]: Toolchain (without parser) took 6863.20ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 70.6MB in the beginning and 86.6MB in the end (delta: -16.0MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB.
[2021-11-13 18:48:14,655 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 104.9MB. Free memory was 74.3MB in the beginning and 74.3MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:48:14,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 542.44ms. Allocated memory is still 104.9MB. Free memory was 70.6MB in the beginning and 78.1MB in the end (delta: -7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-13 18:48:14,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.14ms. Allocated memory is still 104.9MB. Free memory was 78.1MB in the beginning and 76.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:48:14,658 INFO L158 Benchmark]: Boogie Preprocessor took 80.94ms. Allocated memory is still 104.9MB. Free memory was 76.0MB in the beginning and 74.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:48:14,666 INFO L158 Benchmark]: RCFGBuilder took 803.95ms. Allocated memory is still 104.9MB. Free memory was 74.5MB in the beginning and 58.2MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2021-11-13 18:48:14,670 INFO L158 Benchmark]: BuchiAutomizer took 5317.28ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 57.7MB in the beginning and 86.8MB in the end (delta: -29.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:48:14,670 INFO L158 Benchmark]: Witness Printer took 7.25ms. Allocated memory is still 125.8MB. Free memory was 86.8MB in the beginning and 86.6MB in the end (delta: 174.6kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:48:14,674 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.38ms. Allocated memory is still 104.9MB. Free memory was 74.3MB in the beginning and 74.3MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 542.44ms. Allocated memory is still 104.9MB. Free memory was 70.6MB in the beginning and 78.1MB in the end (delta: -7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 97.14ms. Allocated memory is still 104.9MB. Free memory was 78.1MB in the beginning and 76.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 80.94ms. Allocated memory is still 104.9MB. Free memory was 76.0MB in the beginning and 74.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 803.95ms. Allocated memory is still 104.9MB. Free memory was 74.5MB in the beginning and 58.2MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* BuchiAutomizer took 5317.28ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 57.7MB in the beginning and 86.8MB in the end (delta: -29.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 7.25ms. Allocated memory is still 125.8MB. Free memory was 86.8MB in the beginning and 86.6MB in the end (delta: 174.6kB). There was no memory consumed. 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 5 terminating modules (4 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i2 + 11 and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 5.2s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 4.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 47 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 70 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 174 SdHoareTripleChecker+Valid, 104.93ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 173 mSDsluCounter, 1085 SdHoareTripleChecker+Invalid, 74.17ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 664 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 421 mSDtfsCounter, 35 mSolverCounterSat, 20.46ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI2 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital98 mio100 ax100 hnf100 lsp35 ukn100 mio100 lsp100 div137 bol100 ite100 ukn100 eq164 hnf86 smp100 dnf100 smp100 tf102 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s
- TerminationAnalysisResult: Termination proven
Buchi Automizer proved that your program is terminating
RESULT: Ultimate proved your program to be correct!
[2021-11-13 18:48:14,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_359ec349-1275-460e-aba0-cc7c782b498d/bin/uautomizer-YU5uOKAj3y/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
Result:
TRUE