./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/memsafety/test-0217.i --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for termination
Using default analysis
Version b2eff8ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e9611d-b30a-46c2-97cf-70c2cc41036d/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e9611d-b30a-46c2-97cf-70c2cc41036d/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e9611d-b30a-46c2-97cf-70c2cc41036d/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e9611d-b30a-46c2-97cf-70c2cc41036d/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/memsafety/test-0217.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e9611d-b30a-46c2-97cf-70c2cc41036d/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e9611d-b30a-46c2-97cf-70c2cc41036d/bin/uautomizer-UnR33cPsHg --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 163bc3b45d6f21a8e478003f84571178259b289b3d9717ecadbc4595fc507bec
.................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(TERM)
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-b2eff8b
[2021-10-28 08:58:50,954 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-28 08:58:50,956 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-28 08:58:50,987 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-28 08:58:50,988 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-28 08:58:50,990 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-28 08:58:50,991 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-28 08:58:50,994 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-28 08:58:50,996 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-28 08:58:50,998 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-28 08:58:50,999 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-28 08:58:51,001 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-28 08:58:51,001 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-28 08:58:51,003 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-28 08:58:51,004 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-28 08:58:51,006 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-28 08:58:51,007 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-28 08:58:51,008 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-28 08:58:51,011 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-28 08:58:51,013 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-28 08:58:51,015 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-28 08:58:51,017 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-28 08:58:51,019 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-28 08:58:51,023 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-28 08:58:51,037 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-28 08:58:51,037 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-28 08:58:51,038 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-28 08:58:51,039 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-28 08:58:51,039 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-28 08:58:51,041 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-28 08:58:51,041 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-28 08:58:51,042 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-28 08:58:51,043 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-28 08:58:51,044 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-28 08:58:51,045 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-28 08:58:51,047 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-28 08:58:51,049 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-28 08:58:51,050 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-28 08:58:51,050 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-28 08:58:51,053 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-28 08:58:51,054 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-28 08:58:51,055 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e9611d-b30a-46c2-97cf-70c2cc41036d/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf
[2021-10-28 08:58:51,106 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-28 08:58:51,107 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-28 08:58:51,107 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-28 08:58:51,107 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-28 08:58:51,109 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-28 08:58:51,109 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-28 08:58:51,109 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-28 08:58:51,109 INFO  L136        SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-10-28 08:58:51,110 INFO  L138        SettingsManager]:  * NCSB implementation=INTSET_LAZY3
[2021-10-28 08:58:51,110 INFO  L138        SettingsManager]:  * Use old map elimination=false
[2021-10-28 08:58:51,111 INFO  L138        SettingsManager]:  * Use external solver (rank synthesis)=false
[2021-10-28 08:58:51,111 INFO  L138        SettingsManager]:  * Use only trivial implications for array writes=true
[2021-10-28 08:58:51,111 INFO  L138        SettingsManager]:  * Rank analysis=LINEAR_WITH_GUESSES
[2021-10-28 08:58:51,111 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-28 08:58:51,112 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-28 08:58:51,112 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-10-28 08:58:51,112 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-28 08:58:51,112 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-28 08:58:51,112 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-28 08:58:51,113 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=ASSUME
[2021-10-28 08:58:51,113 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-10-28 08:58:51,113 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=ASSUME
[2021-10-28 08:58:51,113 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-28 08:58:51,113 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-28 08:58:51,114 INFO  L138        SettingsManager]:  * Assume nondeterminstic values are in range=false
[2021-10-28 08:58:51,114 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-28 08:58:51,114 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=ASSUME
[2021-10-28 08:58:51,114 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-28 08:58:51,114 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-28 08:58:51,115 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-28 08:58:51,115 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-28 08:58:51,115 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-28 08:58:51,117 INFO  L136        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-10-28 08:58:51,117 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_08e9611d-b30a-46c2-97cf-70c2cc41036d/bin/uautomizer-UnR33cPsHg/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_08e9611d-b30a-46c2-97cf-70c2cc41036d/bin/uautomizer-UnR33cPsHg
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 -> 163bc3b45d6f21a8e478003f84571178259b289b3d9717ecadbc4595fc507bec
[2021-10-28 08:58:51,401 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-28 08:58:51,430 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-28 08:58:51,432 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-28 08:58:51,433 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-28 08:58:51,436 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-28 08:58:51,437 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e9611d-b30a-46c2-97cf-70c2cc41036d/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/memsafety/test-0217.i
[2021-10-28 08:58:51,515 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e9611d-b30a-46c2-97cf-70c2cc41036d/bin/uautomizer-UnR33cPsHg/data/2aaddc51c/eff9b7887dcf4da783f4a3ad8eea475b/FLAG525728248
[2021-10-28 08:58:52,113 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-28 08:58:52,113 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e9611d-b30a-46c2-97cf-70c2cc41036d/sv-benchmarks/c/memsafety/test-0217.i
[2021-10-28 08:58:52,127 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e9611d-b30a-46c2-97cf-70c2cc41036d/bin/uautomizer-UnR33cPsHg/data/2aaddc51c/eff9b7887dcf4da783f4a3ad8eea475b/FLAG525728248
[2021-10-28 08:58:52,369 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e9611d-b30a-46c2-97cf-70c2cc41036d/bin/uautomizer-UnR33cPsHg/data/2aaddc51c/eff9b7887dcf4da783f4a3ad8eea475b
[2021-10-28 08:58:52,376 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-28 08:58:52,378 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-28 08:58:52,381 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-28 08:58:52,382 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-28 08:58:52,386 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-28 08:58:52,386 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:58:52" (1/1) ...
[2021-10-28 08:58:52,388 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77d18d38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:58:52, skipping insertion in model container
[2021-10-28 08:58:52,389 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:58:52" (1/1) ...
[2021-10-28 08:58:52,395 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-28 08:58:52,459 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-28 08:58:52,904 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-28 08:58:52,920 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-28 08:58:53,002 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-28 08:58:53,037 INFO  L208         MainTranslator]: Completed translation
[2021-10-28 08:58:53,037 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:58:53 WrapperNode
[2021-10-28 08:58:53,037 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-28 08:58:53,038 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-28 08:58:53,038 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-28 08:58:53,038 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-28 08:58:53,048 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:58:53" (1/1) ...
[2021-10-28 08:58:53,066 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:58:53" (1/1) ...
[2021-10-28 08:58:53,094 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-28 08:58:53,095 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-28 08:58:53,095 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-28 08:58:53,095 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-28 08:58:53,104 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:58:53" (1/1) ...
[2021-10-28 08:58:53,104 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:58:53" (1/1) ...
[2021-10-28 08:58:53,110 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:58:53" (1/1) ...
[2021-10-28 08:58:53,110 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:58:53" (1/1) ...
[2021-10-28 08:58:53,122 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:58:53" (1/1) ...
[2021-10-28 08:58:53,127 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:58:53" (1/1) ...
[2021-10-28 08:58:53,130 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:58:53" (1/1) ...
[2021-10-28 08:58:53,134 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-28 08:58:53,135 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-28 08:58:53,135 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-28 08:58:53,135 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-28 08:58:53,136 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:58:53" (1/1) ...
[2021-10-28 08:58:53,162 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 08:58:53,182 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e9611d-b30a-46c2-97cf-70c2cc41036d/bin/uautomizer-UnR33cPsHg/z3
[2021-10-28 08:58:53,199 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e9611d-b30a-46c2-97cf-70c2cc41036d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 08:58:53,229 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e9611d-b30a-46c2-97cf-70c2cc41036d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-10-28 08:58:53,247 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-10-28 08:58:53,247 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset
[2021-10-28 08:58:53,247 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset
[2021-10-28 08:58:53,247 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-10-28 08:58:53,247 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2021-10-28 08:58:53,247 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-28 08:58:53,248 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2021-10-28 08:58:53,248 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-10-28 08:58:53,248 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2021-10-28 08:58:53,248 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-28 08:58:53,248 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-28 08:58:53,248 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-28 08:58:53,385 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-10-28 08:58:53,717 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-28 08:58:53,717 INFO  L299             CfgBuilder]: Removed 21 assume(true) statements.
[2021-10-28 08:58:53,719 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:58:53 BoogieIcfgContainer
[2021-10-28 08:58:53,719 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-28 08:58:53,720 INFO  L113        PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-10-28 08:58:53,720 INFO  L271        PluginConnector]: Initializing BuchiAutomizer...
[2021-10-28 08:58:53,724 INFO  L275        PluginConnector]: BuchiAutomizer initialized
[2021-10-28 08:58:53,724 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 08:58:53,724 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 08:58:52" (1/3) ...
[2021-10-28 08:58:53,726 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78fbebc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:58:53, skipping insertion in model container
[2021-10-28 08:58:53,726 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 08:58:53,726 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:58:53" (2/3) ...
[2021-10-28 08:58:53,726 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78fbebc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:58:53, skipping insertion in model container
[2021-10-28 08:58:53,726 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 08:58:53,727 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:58:53" (3/3) ...
[2021-10-28 08:58:53,728 INFO  L389   chiAutomizerObserver]: Analyzing ICFG test-0217.i
[2021-10-28 08:58:53,796 INFO  L359         BuchiCegarLoop]: Interprodecural is true
[2021-10-28 08:58:53,796 INFO  L360         BuchiCegarLoop]: Hoare is false
[2021-10-28 08:58:53,797 INFO  L361         BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-10-28 08:58:53,797 INFO  L362         BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-28 08:58:53,797 INFO  L363         BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-28 08:58:53,798 INFO  L364         BuchiCegarLoop]: Difference is false
[2021-10-28 08:58:53,798 INFO  L365         BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-28 08:58:53,798 INFO  L368         BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-10-28 08:58:53,819 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 52 states, 49 states have (on average 1.5510204081632653) internal successors, (76), 49 states have internal predecessors, (76), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-10-28 08:58:53,845 INFO  L131   ngComponentsAnalysis]: Automaton has 3 accepting balls. 39
[2021-10-28 08:58:53,845 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 08:58:53,846 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-10-28 08:58:53,852 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-10-28 08:58:53,852 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2021-10-28 08:58:53,852 INFO  L425         BuchiCegarLoop]: ======== Iteration 1============
[2021-10-28 08:58:53,853 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 52 states, 49 states have (on average 1.5510204081632653) internal successors, (76), 49 states have internal predecessors, (76), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-10-28 08:58:53,857 INFO  L131   ngComponentsAnalysis]: Automaton has 3 accepting balls. 39
[2021-10-28 08:58:53,857 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 08:58:53,857 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-10-28 08:58:53,858 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-10-28 08:58:53,858 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2021-10-28 08:58:53,864 INFO  L791   eck$LassoCheckResult]: Stem: 41#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(12);call ~#list~0.base, ~#list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); 28#L-1true havoc main_#res;havoc main_#t~ret33, main_#t~nondet32, main_#t~ret35, main_#t~nondet34, main_#t~nondet31, main_#t~nondet36, main_#t~mem37.base, main_#t~mem37.offset, main_#t~mem38.base, main_#t~mem38.offset, main_~next~1.base, main_~next~1.offset, main_~end_point~0, main_~direction~0, main_~cursor~1.base, main_~cursor~1.offset; 30#L732-2true 
[2021-10-28 08:58:53,865 INFO  L793   eck$LassoCheckResult]: Loop: 30#L732-2true assume !!(0 != main_#t~nondet31);havoc main_#t~nondet31; 40#L730-2true assume !true; 48#L732-1true assume !true; 30#L732-2true 
[2021-10-28 08:58:53,870 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 08:58:53,871 INFO  L85        PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times
[2021-10-28 08:58:53,879 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 08:58:53,880 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916598187]
[2021-10-28 08:58:53,880 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 08:58:53,881 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 08:58:53,973 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 08:58:53,974 INFO  L355             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 08:58:53,989 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 08:58:54,008 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 08:58:54,011 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 08:58:54,011 INFO  L85        PathProgramCache]: Analyzing trace with hash 52490, now seen corresponding path program 1 times
[2021-10-28 08:58:54,012 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 08:58:54,012 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052987056]
[2021-10-28 08:58:54,012 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 08:58:54,012 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 08:58:54,019 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 08:58:54,054 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 08:58:54,054 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 08:58:54,055 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052987056]
[2021-10-28 08:58:54,055 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052987056] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 08:58:54,056 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 08:58:54,056 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-28 08:58:54,056 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309655914]
[2021-10-28 08:58:54,060 INFO  L808   eck$LassoCheckResult]: loop already infeasible
[2021-10-28 08:58:54,061 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 08:58:54,074 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-10-28 08:58:54,075 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-10-28 08:58:54,077 INFO  L87              Difference]: Start difference. First operand  has 52 states, 49 states have (on average 1.5510204081632653) internal successors, (76), 49 states have internal predecessors, (76), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand  has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 08:58:54,086 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 08:58:54,087 INFO  L93              Difference]: Finished difference Result 52 states and 72 transitions.
[2021-10-28 08:58:54,087 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-28 08:58:54,089 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 72 transitions.
[2021-10-28 08:58:54,091 INFO  L131   ngComponentsAnalysis]: Automaton has 3 accepting balls. 39
[2021-10-28 08:58:54,096 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 48 states and 68 transitions.
[2021-10-28 08:58:54,097 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 48
[2021-10-28 08:58:54,098 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 48
[2021-10-28 08:58:54,098 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 48 states and 68 transitions.
[2021-10-28 08:58:54,099 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 08:58:54,099 INFO  L681         BuchiCegarLoop]: Abstraction has 48 states and 68 transitions.
[2021-10-28 08:58:54,115 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 48 states and 68 transitions.
[2021-10-28 08:58:54,125 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48.
[2021-10-28 08:58:54,126 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 48 states, 46 states have (on average 1.434782608695652) internal successors, (66), 45 states have internal predecessors, (66), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-10-28 08:58:54,127 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 68 transitions.
[2021-10-28 08:58:54,128 INFO  L704         BuchiCegarLoop]: Abstraction has 48 states and 68 transitions.
[2021-10-28 08:58:54,128 INFO  L587         BuchiCegarLoop]: Abstraction has 48 states and 68 transitions.
[2021-10-28 08:58:54,128 INFO  L425         BuchiCegarLoop]: ======== Iteration 2============
[2021-10-28 08:58:54,129 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 68 transitions.
[2021-10-28 08:58:54,130 INFO  L131   ngComponentsAnalysis]: Automaton has 3 accepting balls. 39
[2021-10-28 08:58:54,130 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 08:58:54,130 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-10-28 08:58:54,131 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-10-28 08:58:54,131 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1]
[2021-10-28 08:58:54,131 INFO  L791   eck$LassoCheckResult]: Stem: 149#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(12);call ~#list~0.base, ~#list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, ~#list~0.base, ~#list~0.offset, 4);call write~init~$Pointer$(0, 0, ~#list~0.base, 4 + ~#list~0.offset, 4); 116#L-1 havoc main_#res;havoc main_#t~ret33, main_#t~nondet32, main_#t~ret35, main_#t~nondet34, main_#t~nondet31, main_#t~nondet36, main_#t~mem37.base, main_#t~mem37.offset, main_#t~mem38.base, main_#t~mem38.offset, main_~next~1.base, main_~next~1.offset, main_~end_point~0, main_~direction~0, main_~cursor~1.base, main_~cursor~1.offset; 117#L732-2 
[2021-10-28 08:58:54,131 INFO  L793   eck$LassoCheckResult]: Loop: 117#L732-2 assume !!(0 != main_#t~nondet31);havoc main_#t~nondet31; 122#L730-2 assume !(0 != main_#t~nondet32);havoc main_#t~nondet32; 147#L732-1 assume !(0 != main_#t~nondet34);havoc main_#t~nondet34; 117#L732-2 
[2021-10-28 08:58:54,132 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 08:58:54,132 INFO  L85        PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times
[2021-10-28 08:58:54,132 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 08:58:54,133 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286299673]
[2021-10-28 08:58:54,133 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 08:58:54,133 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 08:58:54,148 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 08:58:54,148 INFO  L355             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 08:58:54,160 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 08:58:54,165 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 08:58:54,166 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 08:58:54,166 INFO  L85        PathProgramCache]: Analyzing trace with hash 49962, now seen corresponding path program 1 times
[2021-10-28 08:58:54,166 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 08:58:54,167 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705938995]
[2021-10-28 08:58:54,167 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 08:58:54,167 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 08:58:54,188 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 08:58:54,191 INFO  L355             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 08:58:54,194 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 08:58:54,196 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 08:58:54,196 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 08:58:54,197 INFO  L85        PathProgramCache]: Analyzing trace with hash 37288712, now seen corresponding path program 1 times
[2021-10-28 08:58:54,197 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 08:58:54,197 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298487285]
[2021-10-28 08:58:54,197 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 08:58:54,201 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 08:58:54,227 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 08:58:54,228 INFO  L355             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 08:58:54,245 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 08:58:54,264 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 08:58:54,734 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 08:58:54 BoogieIcfgContainer
[2021-10-28 08:58:54,735 INFO  L132        PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-10-28 08:58:54,735 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-28 08:58:54,735 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-28 08:58:54,735 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-28 08:58:54,736 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:58:53" (3/4) ...
[2021-10-28 08:58:54,738 INFO  L134         WitnessPrinter]: Generating witness for non-termination counterexample
[2021-10-28 08:58:54,766 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e9611d-b30a-46c2-97cf-70c2cc41036d/bin/uautomizer-UnR33cPsHg/witness.graphml
[2021-10-28 08:58:54,767 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-28 08:58:54,768 INFO  L168              Benchmark]: Toolchain (without parser) took 2389.03 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 57.6 MB in the beginning and 62.7 MB in the end (delta: -5.1 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB.
[2021-10-28 08:58:54,769 INFO  L168              Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 90.2 MB. Free memory is still 45.0 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 08:58:54,769 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 656.19 ms. Allocated memory is still 90.2 MB. Free memory was 57.4 MB in the beginning and 54.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-28 08:58:54,770 INFO  L168              Benchmark]: Boogie Procedure Inliner took 56.04 ms. Allocated memory is still 90.2 MB. Free memory was 54.6 MB in the beginning and 52.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-28 08:58:54,771 INFO  L168              Benchmark]: Boogie Preprocessor took 39.53 ms. Allocated memory is still 90.2 MB. Free memory was 52.0 MB in the beginning and 49.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 08:58:54,772 INFO  L168              Benchmark]: RCFGBuilder took 584.03 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 49.6 MB in the beginning and 77.2 MB in the end (delta: -27.6 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB.
[2021-10-28 08:58:54,772 INFO  L168              Benchmark]: BuchiAutomizer took 1014.64 ms. Allocated memory is still 111.1 MB. Free memory was 77.2 MB in the beginning and 64.0 MB in the end (delta: 13.2 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB.
[2021-10-28 08:58:54,773 INFO  L168              Benchmark]: Witness Printer took 31.58 ms. Allocated memory is still 111.1 MB. Free memory was 64.0 MB in the beginning and 62.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 08:58:54,776 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.22 ms. Allocated memory is still 90.2 MB. Free memory is still 45.0 MB. There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 656.19 ms. Allocated memory is still 90.2 MB. Free memory was 57.4 MB in the beginning and 54.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 56.04 ms. Allocated memory is still 90.2 MB. Free memory was 54.6 MB in the beginning and 52.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 39.53 ms. Allocated memory is still 90.2 MB. Free memory was 52.0 MB in the beginning and 49.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 584.03 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 49.6 MB in the beginning and 77.2 MB in the end (delta: -27.6 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB.
 * BuchiAutomizer took 1014.64 ms. Allocated memory is still 111.1 MB. Free memory was 77.2 MB in the beginning and 64.0 MB in the end (delta: 13.2 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB.
 * Witness Printer took 31.58 ms. Allocated memory is still 111.1 MB. Free memory was 64.0 MB in the beginning and 62.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Constructed decomposition of program
    Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 2 locations. The remainder module has 48 locations.
  - StatisticsResult: Timing statistics
    BüchiAutomizer plugin needed 0.9s and 2 iterations.  TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 48 states and ocurred in iteration 1.	Nontrivial modules had stage [0, 0, 0, 0, 0].	InterpolantCoveringCapabilityFinite: 0/0	InterpolantCoveringCapabilityBuchi: 0/0	HoareTripleCheckerStatistics: 72 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time	LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0	LassoNonterminationAnalysisSatUnbounded: 0	LassoNonterminationAnalysisUnsat: 0	LassoNonterminationAnalysisUnknown: 0	LassoNonterminationAnalysisTime: 0.0s	
  - TerminationAnalysisResult: Nontermination possible
    Buchi Automizer proved that your program is nonterminating for some inputs
  - FixpointNonTerminationResult [Line: 729]: Nontermination argument in form of an infinite program execution.
    Nontermination argument in form of an infinite execution
State at position 0 is
{NULL=2655}
State at position 1 is
{cursor=0, NULL=0, NULL=2657, \result=0, NULL=2655, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ba4043e=17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@66df214=0, list=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@349bc505=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@349bc505=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@2e530e98=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@612d0207=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2cfca4c6=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f6dcac0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18a7e88f=0, end_point=0, NULL=2656, NULL=0, list=2658, org.eclipse.cdt.internal.core.dom.parser.c.CASTArraySubscriptExpression@2e530e98=0, next=0, next=0, cursor=0, direction=0}
  - StatisticsResult: NonterminationArgumentStatistics
    Fixpoint
  - NonterminatingLassoResult [Line: 729]: Nonterminating execution
    Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L728]        static list_t list;
Loop:
[L729]  COND TRUE   __VERIFIER_nondet_int()
[L730]  COND FALSE  !(__VERIFIER_nondet_int())
[L732]  COND FALSE  !(__VERIFIER_nondet_int())
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2021-10-28 08:58:54,821 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e9611d-b30a-46c2-97cf-70c2cc41036d/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0
Received shutdown request...