./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strchr-1.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
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_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/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_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strchr-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/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 64bit --witnessprinter.graph.data.programhash c72d4b54465b49a8be7d6b67decf7d9407d163e58bb229fc2ca0587a37abb515
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 17:52:29,234 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 17:52:29,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 17:52:29,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 17:52:29,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 17:52:29,302 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 17:52:29,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 17:52:29,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 17:52:29,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 17:52:29,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 17:52:29,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 17:52:29,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 17:52:29,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 17:52:29,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 17:52:29,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 17:52:29,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 17:52:29,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 17:52:29,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 17:52:29,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 17:52:29,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 17:52:29,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 17:52:29,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 17:52:29,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 17:52:29,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 17:52:29,369 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 17:52:29,370 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 17:52:29,370 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 17:52:29,372 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 17:52:29,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 17:52:29,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 17:52:29,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 17:52:29,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 17:52:29,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 17:52:29,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 17:52:29,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 17:52:29,383 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 17:52:29,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 17:52:29,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 17:52:29,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 17:52:29,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 17:52:29,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 17:52:29,388 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-64bit-Automizer_Default.epf
[2021-11-13 17:52:29,442 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 17:52:29,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 17:52:29,444 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 17:52:29,444 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 17:52:29,445 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 17:52:29,446 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 17:52:29,446 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 17:52:29,446 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-11-13 17:52:29,446 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2021-11-13 17:52:29,447 INFO L138 SettingsManager]: * Use old map elimination=false
[2021-11-13 17:52:29,448 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2021-11-13 17:52:29,448 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2021-11-13 17:52:29,448 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2021-11-13 17:52:29,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 17:52:29,449 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-11-13 17:52:29,449 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 17:52:29,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 17:52:29,450 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2021-11-13 17:52:29,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-11-13 17:52:29,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2021-11-13 17:52:29,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 17:52:29,451 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2021-11-13 17:52:29,451 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 17:52:29,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2021-11-13 17:52:29,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 17:52:29,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 17:52:29,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 17:52:29,454 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-13 17:52:29,454 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 17:52:29,455 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-11-13 17:52:29,456 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_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c72d4b54465b49a8be7d6b67decf7d9407d163e58bb229fc2ca0587a37abb515
[2021-11-13 17:52:29,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 17:52:29,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 17:52:29,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 17:52:29,817 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 17:52:29,818 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 17:52:29,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/termination-dietlibc/strchr-1.i
[2021-11-13 17:52:29,900 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/data/356d2a0d3/5e386ace32a54ee28eb6744cd57ef5c1/FLAG1d2e56f43
[2021-11-13 17:52:30,571 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 17:52:30,571 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/sv-benchmarks/c/termination-dietlibc/strchr-1.i
[2021-11-13 17:52:30,585 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/data/356d2a0d3/5e386ace32a54ee28eb6744cd57ef5c1/FLAG1d2e56f43
[2021-11-13 17:52:30,831 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/data/356d2a0d3/5e386ace32a54ee28eb6744cd57ef5c1
[2021-11-13 17:52:30,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 17:52:30,835 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 17:52:30,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 17:52:30,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 17:52:30,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 17:52:30,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:52:30" (1/1) ...
[2021-11-13 17:52:30,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f806951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:52:30, skipping insertion in model container
[2021-11-13 17:52:30,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:52:30" (1/1) ...
[2021-11-13 17:52:30,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 17:52:30,912 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 17:52:31,251 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 17:52:31,259 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 17:52:31,300 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 17:52:31,328 INFO L208 MainTranslator]: Completed translation
[2021-11-13 17:52:31,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:52:31 WrapperNode
[2021-11-13 17:52:31,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 17:52:31,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 17:52:31,330 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 17:52:31,330 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 17:52:31,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:52:31" (1/1) ...
[2021-11-13 17:52:31,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:52:31" (1/1) ...
[2021-11-13 17:52:31,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 17:52:31,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 17:52:31,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 17:52:31,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 17:52:31,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:52:31" (1/1) ...
[2021-11-13 17:52:31,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:52:31" (1/1) ...
[2021-11-13 17:52:31,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:52:31" (1/1) ...
[2021-11-13 17:52:31,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:52:31" (1/1) ...
[2021-11-13 17:52:31,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:52:31" (1/1) ...
[2021-11-13 17:52:31,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:52:31" (1/1) ...
[2021-11-13 17:52:31,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:52:31" (1/1) ...
[2021-11-13 17:52:31,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 17:52:31,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 17:52:31,415 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 17:52:31,415 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 17:52:31,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:52:31" (1/1) ...
[2021-11-13 17:52:31,436 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 17:52:31,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 17:52:31,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 17:52:31,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-11-13 17:52:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-11-13 17:52:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-11-13 17:52:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 17:52:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-13 17:52:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 17:52:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 17:52:31,845 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 17:52:31,846 INFO L299 CfgBuilder]: Removed 1 assume(true) statements.
[2021-11-13 17:52:31,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:52:31 BoogieIcfgContainer
[2021-11-13 17:52:31,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 17:52:31,849 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-11-13 17:52:31,849 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2021-11-13 17:52:31,867 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2021-11-13 17:52:31,868 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-13 17:52:31,868 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 05:52:30" (1/3) ...
[2021-11-13 17:52:31,870 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a09f1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 05:52:31, skipping insertion in model container
[2021-11-13 17:52:31,870 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-13 17:52:31,870 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:52:31" (2/3) ...
[2021-11-13 17:52:31,870 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a09f1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 05:52:31, skipping insertion in model container
[2021-11-13 17:52:31,870 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-11-13 17:52:31,871 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:52:31" (3/3) ...
[2021-11-13 17:52:31,872 INFO L388 chiAutomizerObserver]: Analyzing ICFG strchr-1.i
[2021-11-13 17:52:31,939 INFO L359 BuchiCegarLoop]: Interprodecural is true
[2021-11-13 17:52:31,939 INFO L360 BuchiCegarLoop]: Hoare is false
[2021-11-13 17:52:31,939 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-11-13 17:52:31,939 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-11-13 17:52:31,939 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-11-13 17:52:31,940 INFO L364 BuchiCegarLoop]: Difference is false
[2021-11-13 17:52:31,940 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-11-13 17:52:31,940 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-11-13 17:52:31,958 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.6875) internal successors, (27), 16 states have internal predecessors, (27), 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 17:52:31,983 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9
[2021-11-13 17:52:31,983 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 17:52:31,983 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-11-13 17:52:31,989 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1]
[2021-11-13 17:52:31,990 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:52:31,990 INFO L425 BuchiCegarLoop]: ======== Iteration 1============
[2021-11-13 17:52:31,990 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.6875) internal successors, (27), 16 states have internal predecessors, (27), 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 17:52:31,994 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9
[2021-11-13 17:52:31,994 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-11-13 17:52:31,994 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-11-13 17:52:31,995 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1]
[2021-11-13 17:52:31,995 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:52:32,007 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~nondet16#1, main_#t~ret17#1.base, main_#t~ret17#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~the_int~0#1;main_~in_len~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 18#L519true assume !(main_~in_len~0#1 < 1);call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~the_int~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1;assume { :begin_inline_strchr } true;strchr_#in~t#1.base, strchr_#in~t#1.offset, strchr_#in~c#1 := main_~in~0#1.base, main_~in~0#1.offset, main_~the_int~0#1;havoc strchr_#res#1.base, strchr_#res#1.offset;havoc strchr_#t~mem2#1, strchr_#t~mem3#1, strchr_#t~pre4#1.base, strchr_#t~pre4#1.offset, strchr_#t~mem5#1, strchr_#t~mem6#1, strchr_#t~pre7#1.base, strchr_#t~pre7#1.offset, strchr_#t~mem8#1, strchr_#t~mem9#1, strchr_#t~pre10#1.base, strchr_#t~pre10#1.offset, strchr_#t~mem11#1, strchr_#t~mem12#1, strchr_#t~pre13#1.base, strchr_#t~pre13#1.offset, strchr_~t#1.base, strchr_~t#1.offset, strchr_~c#1, strchr_~ch~0#1;strchr_~t#1.base, strchr_~t#1.offset := strchr_#in~t#1.base, strchr_#in~t#1.offset;strchr_~c#1 := strchr_#in~c#1;havoc strchr_~ch~0#1;strchr_~ch~0#1 := (if strchr_~c#1 % 256 <= 127 then strchr_~c#1 % 256 else strchr_~c#1 % 256 - 256); 14#L509-2true
[2021-11-13 17:52:32,008 INFO L793 eck$LassoCheckResult]: Loop: 14#L509-2true assume !false;call strchr_#t~mem2#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 17#L510true assume !(strchr_#t~mem2#1 == strchr_~ch~0#1);havoc strchr_#t~mem2#1;call strchr_#t~mem3#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 9#L510-2true assume !(0 == strchr_#t~mem3#1);havoc strchr_#t~mem3#1;strchr_#t~pre4#1.base, strchr_#t~pre4#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;strchr_~t#1.base, strchr_~t#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;havoc strchr_#t~pre4#1.base, strchr_#t~pre4#1.offset;call strchr_#t~mem5#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 5#L511true assume !(strchr_#t~mem5#1 == strchr_~ch~0#1);havoc strchr_#t~mem5#1;call strchr_#t~mem6#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 11#L511-2true assume !(0 == strchr_#t~mem6#1);havoc strchr_#t~mem6#1;strchr_#t~pre7#1.base, strchr_#t~pre7#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;strchr_~t#1.base, strchr_~t#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;havoc strchr_#t~pre7#1.base, strchr_#t~pre7#1.offset;call strchr_#t~mem8#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 16#L512true assume !(strchr_#t~mem8#1 == strchr_~ch~0#1);havoc strchr_#t~mem8#1;call strchr_#t~mem9#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 6#L512-2true assume !(0 == strchr_#t~mem9#1);havoc strchr_#t~mem9#1;strchr_#t~pre10#1.base, strchr_#t~pre10#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;strchr_~t#1.base, strchr_~t#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;havoc strchr_#t~pre10#1.base, strchr_#t~pre10#1.offset;call strchr_#t~mem11#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 15#L513true assume !(strchr_#t~mem11#1 == strchr_~ch~0#1);havoc strchr_#t~mem11#1;call strchr_#t~mem12#1 := read~int(strchr_~t#1.base, strchr_~t#1.offset, 1); 13#L513-2true assume !(0 == strchr_#t~mem12#1);havoc strchr_#t~mem12#1;strchr_#t~pre13#1.base, strchr_#t~pre13#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;strchr_~t#1.base, strchr_~t#1.offset := strchr_~t#1.base, 1 + strchr_~t#1.offset;havoc strchr_#t~pre13#1.base, strchr_#t~pre13#1.offset; 14#L509-2true
[2021-11-13 17:52:32,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:52:32,019 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times
[2021-11-13 17:52:32,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:52:32,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859941558]
[2021-11-13 17:52:32,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:52:32,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:52:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 17:52:32,199 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 17:52:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 17:52:32,292 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 17:52:32,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:52:32,296 INFO L85 PathProgramCache]: Analyzing trace with hash 563131458, now seen corresponding path program 1 times
[2021-11-13 17:52:32,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:52:32,297 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439846160]
[2021-11-13 17:52:32,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:52:32,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:52:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 17:52:32,343 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 17:52:32,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 17:52:32,382 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 17:52:32,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:52:32,384 INFO L85 PathProgramCache]: Analyzing trace with hash -208288001, now seen corresponding path program 1 times
[2021-11-13 17:52:32,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:52:32,385 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145839094]
[2021-11-13 17:52:32,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:52:32,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:52:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 17:52:32,417 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 17:52:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 17:52:32,457 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 17:52:33,395 INFO L210 LassoAnalysis]: Preferences:
[2021-11-13 17:52:33,396 INFO L126 ssoRankerPreferences]: Compute integeral hull: false
[2021-11-13 17:52:33,396 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true
[2021-11-13 17:52:33,397 INFO L128 ssoRankerPreferences]: Term annotations enabled: false
[2021-11-13 17:52:33,397 INFO L129 ssoRankerPreferences]: Use exernal solver: false
[2021-11-13 17:52:33,397 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 17:52:33,397 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false
[2021-11-13 17:52:33,397 INFO L132 ssoRankerPreferences]: Path of dumped script:
[2021-11-13 17:52:33,397 INFO L133 ssoRankerPreferences]: Filename of dumped script: strchr-1.i_Iteration1_Lasso
[2021-11-13 17:52:33,397 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank
[2021-11-13 17:52:33,398 INFO L276 LassoAnalysis]: Starting lasso preprocessing...
[2021-11-13 17:52:33,425 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 17:52:33,431 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 17:52:33,433 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 17:52:33,436 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 17:52:33,439 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 17:52:33,443 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 17:52:33,937 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 17:52:33,939 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 17:52:33,942 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 17:52:33,944 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 17:52:33,949 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 17:52:33,952 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 17:52:33,954 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 17:52:33,957 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 17:52:33,959 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 17:52:33,963 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 17:52:33,966 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 17:52:33,967 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 17:52:33,970 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 17:52:33,972 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 17:52:33,976 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 17:52:33,978 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 17:52:33,981 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 17:52:33,983 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 17:52:33,986 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 17:52:33,988 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 17:52:34,247 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8
[2021-11-13 17:52:42,070 WARN L227 SmtUtils]: Spent 7.67s on a formula simplification. DAG size of input: 295 DAG size of output: 185 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process)
[2021-11-13 17:52:42,226 INFO L294 LassoAnalysis]: Preprocessing complete.
[2021-11-13 17:52:42,231 INFO L490 LassoAnalysis]: Using template 'affine'.
[2021-11-13 17:52:42,232 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 17:52:42,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 17:52:42,235 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 17:52:42,242 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 17:52:42,254 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 17:52:42,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-11-13 17:52:42,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 17:52:42,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 17:52:42,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 17:52:42,259 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-11-13 17:52:42,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-11-13 17:52:42,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process
[2021-11-13 17:52:42,273 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 17:52:42,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0
[2021-11-13 17:52:42,311 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 17:52:42,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 17:52:42,315 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 17:52:42,324 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 17:52:42,334 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 17:52:42,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-11-13 17:52:42,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 17:52:42,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 17:52:42,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 17:52:42,337 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-11-13 17:52:42,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-11-13 17:52:42,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process
[2021-11-13 17:52:42,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 17:52:42,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0
[2021-11-13 17:52:42,393 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 17:52:42,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 17:52:42,395 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 17:52:42,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process
[2021-11-13 17:52:42,401 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 17:52:42,410 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 17:52:42,410 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-11-13 17:52:42,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 17:52:42,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 17:52:42,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 17:52:42,413 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-11-13 17:52:42,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-11-13 17:52:42,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 17:52:42,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0
[2021-11-13 17:52:42,465 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 17:52:42,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 17:52:42,466 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 17:52:42,473 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 17:52:42,483 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 17:52:42,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-11-13 17:52:42,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 17:52:42,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 17:52:42,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 17:52:42,484 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications.
[2021-11-13 17:52:42,484 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-11-13 17:52:42,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process
[2021-11-13 17:52:42,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 17:52:42,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0
[2021-11-13 17:52:42,529 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 17:52:42,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 17:52:42,531 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 17:52:42,541 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 17:52:42,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process
[2021-11-13 17:52:42,551 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 17:52:42,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts
[2021-11-13 17:52:42,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts
[2021-11-13 17:52:42,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 17:52:42,555 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-11-13 17:52:42,556 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added.
[2021-11-13 17:52:42,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings.
[2021-11-13 17:52:42,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0
[2021-11-13 17:52:42,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-11-13 17:52:42,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 17:52:42,612 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-11-13 17:52:42,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process
[2021-11-13 17:52:42,614 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 17:52:42,624 INFO L338 nArgumentSynthesizer]: Template has degree 0.
[2021-11-13 17:52:42,625 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts
[2021-11-13 17:52:42,625 INFO L204 nArgumentSynthesizer]: 146 loop disjuncts
[2021-11-13 17:52:42,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts.
[2021-11-13 17:53:06,973 INFO L401 nArgumentSynthesizer]: We have 43508 Motzkin's Theorem applications.
[2021-11-13 17:53:06,973 INFO L402 nArgumentSynthesizer]: A total of 292 supporting invariants were added.
[2021-11-13 17:54:09,246 WARN L228 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7) with exit command (exit)) stderr output: (error "out of memory")
[2021-11-13 17:54:09,247 FATAL L? ?]: A wrapped exception occured:
de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer threw an exception: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.tryTemplatesAndComputePredicates(LassoCheck.java:707)
at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:658)
at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:953)
at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.<init>(LassoCheck.java:862)
at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.<init>(LassoCheck.java:252)
at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457)
at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:142)
at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:397)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:256)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:147)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:111)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158)
at de.uni_freiburg.informatik.ultimate.lassoranker.termination.TerminationArgumentSynthesizer.doSynthesis(TerminationArgumentSynthesizer.java:404)
at de.uni_freiburg.informatik.ultimate.lassoranker.ArgumentSynthesizer.synthesize(ArgumentSynthesizer.java:137)
at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.tryTemplate(LassoAnalysis.java:500)
at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.tryTemplatesAndComputePredicates(LassoCheck.java:692)
... 17 more
Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658)
at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:237)
... 25 more
[2021-11-13 17:54:09,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 101
[2021-11-13 17:54:09,250 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver:
de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:256)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:147)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:111)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158)
at de.uni_freiburg.informatik.ultimate.lassoranker.termination.TerminationArgumentSynthesizer.doSynthesis(TerminationArgumentSynthesizer.java:404)
at de.uni_freiburg.informatik.ultimate.lassoranker.ArgumentSynthesizer.synthesize(ArgumentSynthesizer.java:137)
at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.tryTemplate(LassoAnalysis.java:500)
at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.tryTemplatesAndComputePredicates(LassoCheck.java:692)
at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:658)
at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:953)
at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.<init>(LassoCheck.java:862)
at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.<init>(LassoCheck.java:252)
at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457)
at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:142)
at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:397)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658)
at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:237)
... 25 more
[2021-11-13 17:54:09,253 INFO L158 Benchmark]: Toolchain (without parser) took 98417.11ms. Allocated memory was 98.6MB in the beginning and 9.5GB in the end (delta: 9.4GB). Free memory was 60.5MB in the beginning and 8.4GB in the end (delta: -8.3GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB.
[2021-11-13 17:54:09,253 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 98.6MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:54:09,254 INFO L158 Benchmark]: CACSL2BoogieTranslator took 490.53ms. Allocated memory is still 98.6MB. Free memory was 60.3MB in the beginning and 68.6MB in the end (delta: -8.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2021-11-13 17:54:09,254 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.18ms. Allocated memory is still 98.6MB. Free memory was 68.6MB in the beginning and 66.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:54:09,255 INFO L158 Benchmark]: Boogie Preprocessor took 37.10ms. Allocated memory is still 98.6MB. Free memory was 66.8MB in the beginning and 65.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 17:54:09,255 INFO L158 Benchmark]: RCFGBuilder took 433.49ms. Allocated memory is still 98.6MB. Free memory was 65.3MB in the beginning and 53.9MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2021-11-13 17:54:09,256 INFO L158 Benchmark]: BuchiAutomizer took 97402.85ms. Allocated memory was 98.6MB in the beginning and 9.5GB in the end (delta: 9.4GB). Free memory was 53.7MB in the beginning and 8.4GB in the end (delta: -8.3GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB.
[2021-11-13 17:54:09,260 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.27ms. Allocated memory is still 98.6MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 490.53ms. Allocated memory is still 98.6MB. Free memory was 60.3MB in the beginning and 68.6MB in the end (delta: -8.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 46.18ms. Allocated memory is still 98.6MB. Free memory was 68.6MB in the beginning and 66.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 37.10ms. Allocated memory is still 98.6MB. Free memory was 66.8MB in the beginning and 65.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 433.49ms. Allocated memory is still 98.6MB. Free memory was 65.3MB in the beginning and 53.9MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* BuchiAutomizer took 97402.85ms. Allocated memory was 98.6MB in the beginning and 9.5GB in the end (delta: 9.4GB). Free memory was 53.7MB in the beginning and 8.4GB in the end (delta: -8.3GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer:
- ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2021-11-13 17:54:09,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/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
Using bit-precise analysis
No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/config using search string *Termination*64bit*_Bitvector*.epf
No suitable settings file found using Termination*64bit*_Bitvector
ERROR: UNSUPPORTED PROPERTY
Writing output log to file Ultimate.log
Result:
ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce7dfa-9e08-41fb-a658-c55ac8c00707/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")