./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_2.i --full-output --architecture 32bit


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


Checking for memory safety (deref-memtrack)
Using default analysis
Version b2eff8ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5a02eb-6c19-439d-83c6-ebf356726560/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5a02eb-6c19-439d-83c6-ebf356726560/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5a02eb-6c19-439d-83c6-ebf356726560/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5a02eb-6c19-439d-83c6-ebf356726560/bin/ukojak-Rh5K9KB4LI/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5a02eb-6c19-439d-83c6-ebf356726560/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5a02eb-6c19-439d-83c6-ebf356726560/bin/ukojak-Rh5K9KB4LI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )

 --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7f731faf9d41ed60f5858e3dbd50ffba002d2a56a92297f4715b69207f896c11
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(valid-free)
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-b2eff8b
[2021-10-29 03:35:14,394 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-29 03:35:14,395 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-29 03:35:14,441 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-29 03:35:14,441 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-29 03:35:14,447 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-29 03:35:14,449 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-29 03:35:14,454 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-29 03:35:14,456 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-29 03:35:14,462 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-29 03:35:14,464 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-29 03:35:14,466 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-29 03:35:14,466 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-29 03:35:14,469 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-29 03:35:14,471 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-29 03:35:14,476 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-29 03:35:14,477 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-29 03:35:14,478 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-29 03:35:14,481 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-29 03:35:14,490 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-29 03:35:14,492 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-29 03:35:14,493 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-29 03:35:14,497 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-29 03:35:14,498 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-29 03:35:14,502 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-29 03:35:14,502 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-29 03:35:14,503 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-29 03:35:14,505 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-29 03:35:14,506 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-29 03:35:14,507 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-29 03:35:14,508 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-29 03:35:14,509 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-29 03:35:14,511 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-29 03:35:14,512 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-29 03:35:14,514 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-29 03:35:14,514 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-29 03:35:14,515 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-29 03:35:14,515 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-29 03:35:14,516 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-29 03:35:14,517 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-29 03:35:14,517 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-29 03:35:14,518 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5a02eb-6c19-439d-83c6-ebf356726560/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf
[2021-10-29 03:35:14,569 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-29 03:35:14,570 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-29 03:35:14,571 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-29 03:35:14,571 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-29 03:35:14,572 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-29 03:35:14,572 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-29 03:35:14,572 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-10-29 03:35:14,572 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-29 03:35:14,572 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-29 03:35:14,573 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-29 03:35:14,573 INFO  L138        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2021-10-29 03:35:14,573 INFO  L138        SettingsManager]:  * Bitprecise bitfields=true
[2021-10-29 03:35:14,578 INFO  L138        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2021-10-29 03:35:14,578 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-29 03:35:14,578 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-29 03:35:14,578 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-29 03:35:14,579 INFO  L136        SettingsManager]: Preferences of CodeCheck differ from their defaults:
[2021-10-29 03:35:14,579 INFO  L138        SettingsManager]:  * Timeout in seconds=1000000
[2021-10-29 03:35:14,579 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-29 03:35:14,579 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2021-10-29 03:35:14,580 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-29 03:35:14,580 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-29 03:35:14,580 INFO  L138        SettingsManager]:  * Trace refinement strategy=PENGUIN
[2021-10-29 03:35:14,581 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-29 03:35:14,581 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
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_ae5a02eb-6c19-439d-83c6-ebf356726560/bin/ukojak-Rh5K9KB4LI/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_ae5a02eb-6c19-439d-83c6-ebf356726560/bin/ukojak-Rh5K9KB4LI
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(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak
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 -> 7f731faf9d41ed60f5858e3dbd50ffba002d2a56a92297f4715b69207f896c11
[2021-10-29 03:35:14,919 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-29 03:35:14,945 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-29 03:35:14,948 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-29 03:35:14,950 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-29 03:35:14,951 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-29 03:35:14,952 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5a02eb-6c19-439d-83c6-ebf356726560/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_2.i
[2021-10-29 03:35:15,034 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5a02eb-6c19-439d-83c6-ebf356726560/bin/ukojak-Rh5K9KB4LI/data/2411b895d/0123523ed47a4a5f9f6401afc3f83261/FLAGb696d97fd
[2021-10-29 03:35:15,700 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-29 03:35:15,700 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5a02eb-6c19-439d-83c6-ebf356726560/sv-benchmarks/c/ldv-memsafety/memleaks_test6_2.i
[2021-10-29 03:35:15,731 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5a02eb-6c19-439d-83c6-ebf356726560/bin/ukojak-Rh5K9KB4LI/data/2411b895d/0123523ed47a4a5f9f6401afc3f83261/FLAGb696d97fd
[2021-10-29 03:35:15,943 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5a02eb-6c19-439d-83c6-ebf356726560/bin/ukojak-Rh5K9KB4LI/data/2411b895d/0123523ed47a4a5f9f6401afc3f83261
[2021-10-29 03:35:15,946 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-29 03:35:15,947 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-29 03:35:15,949 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-29 03:35:15,949 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-29 03:35:15,953 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-29 03:35:15,953 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:35:15" (1/1) ...
[2021-10-29 03:35:15,955 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ce2776f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:35:15, skipping insertion in model container
[2021-10-29 03:35:15,955 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:35:15" (1/1) ...
[2021-10-29 03:35:15,978 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-29 03:35:16,031 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-29 03:35:16,469 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-29 03:35:16,485 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-29 03:35:16,572 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-29 03:35:16,627 INFO  L208         MainTranslator]: Completed translation
[2021-10-29 03:35:16,627 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:35:16 WrapperNode
[2021-10-29 03:35:16,628 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-29 03:35:16,629 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-29 03:35:16,629 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-29 03:35:16,629 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-29 03:35:16,636 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:35:16" (1/1) ...
[2021-10-29 03:35:16,658 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:35:16" (1/1) ...
[2021-10-29 03:35:16,683 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-29 03:35:16,683 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-29 03:35:16,684 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-29 03:35:16,684 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-29 03:35:16,693 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:35:16" (1/1) ...
[2021-10-29 03:35:16,693 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:35:16" (1/1) ...
[2021-10-29 03:35:16,696 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:35:16" (1/1) ...
[2021-10-29 03:35:16,696 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:35:16" (1/1) ...
[2021-10-29 03:35:16,705 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:35:16" (1/1) ...
[2021-10-29 03:35:16,707 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:35:16" (1/1) ...
[2021-10-29 03:35:16,709 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:35:16" (1/1) ...
[2021-10-29 03:35:16,712 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-29 03:35:16,713 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-29 03:35:16,713 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-29 03:35:16,713 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-29 03:35:16,714 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:35:16" (1/1) ...
[2021-10-29 03:35:16,721 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2021-10-29 03:35:16,734 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5a02eb-6c19-439d-83c6-ebf356726560/bin/ukojak-Rh5K9KB4LI/z3
[2021-10-29 03:35:16,747 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5a02eb-6c19-439d-83c6-ebf356726560/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null)
[2021-10-29 03:35:16,782 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5a02eb-6c19-439d-83c6-ebf356726560/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process
[2021-10-29 03:35:16,810 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-10-29 03:35:16,810 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2021-10-29 03:35:16,811 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-29 03:35:16,811 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2021-10-29 03:35:16,811 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-10-29 03:35:16,811 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2021-10-29 03:35:16,811 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-29 03:35:16,811 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-29 03:35:17,349 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-29 03:35:17,349 INFO  L299             CfgBuilder]: Removed 16 assume(true) statements.
[2021-10-29 03:35:17,352 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:35:17 BoogieIcfgContainer
[2021-10-29 03:35:17,352 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-29 03:35:17,353 INFO  L113        PluginConnector]: ------------------------CodeCheck----------------------------
[2021-10-29 03:35:17,353 INFO  L271        PluginConnector]: Initializing CodeCheck...
[2021-10-29 03:35:17,366 INFO  L275        PluginConnector]: CodeCheck initialized
[2021-10-29 03:35:17,366 INFO  L185        PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:35:17" (1/1) ...
[2021-10-29 03:35:17,380 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-29 03:35:17,421 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 03:35:17,428 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 36 states and 39 transitions.
[2021-10-29 03:35:17,429 INFO  L276                IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions.
[2021-10-29 03:35:17,432 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2021-10-29 03:35:17,432 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 03:35:17,434 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 03:35:17,559 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 03:35:17,670 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 03:35:17,724 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 03:35:17,725 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 37 states and 40 transitions.
[2021-10-29 03:35:17,725 INFO  L276                IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions.
[2021-10-29 03:35:17,726 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2021-10-29 03:35:17,726 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 03:35:17,727 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 03:35:17,775 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 03:35:17,819 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 03:35:17,904 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 03:35:17,905 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 39 states and 42 transitions.
[2021-10-29 03:35:17,905 INFO  L276                IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions.
[2021-10-29 03:35:17,908 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2021-10-29 03:35:17,908 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 03:35:17,908 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 03:35:17,928 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 03:35:17,971 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 03:35:17,979 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 03:35:17,980 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 37 states and 40 transitions.
[2021-10-29 03:35:17,981 INFO  L276                IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions.
[2021-10-29 03:35:17,981 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2021-10-29 03:35:17,981 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 03:35:17,983 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 03:35:18,004 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 03:35:18,073 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 03:35:18,261 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 03:35:18,262 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 36 states and 39 transitions.
[2021-10-29 03:35:18,262 INFO  L276                IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions.
[2021-10-29 03:35:18,263 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2021-10-29 03:35:18,264 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 03:35:18,264 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 03:35:18,306 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 03:35:18,371 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 03:35:18,745 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 03:35:18,746 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 35 states and 38 transitions.
[2021-10-29 03:35:18,746 INFO  L276                IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions.
[2021-10-29 03:35:18,746 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2021-10-29 03:35:18,747 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 03:35:18,747 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 03:35:18,768 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 03:35:18,877 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 03:35:19,163 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 03:35:19,164 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 38 states and 44 transitions.
[2021-10-29 03:35:19,164 INFO  L276                IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions.
[2021-10-29 03:35:19,165 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2021-10-29 03:35:19,165 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 03:35:19,165 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 03:35:19,176 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 03:35:19,300 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 03:35:19,837 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 03:35:19,838 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 40 states and 47 transitions.
[2021-10-29 03:35:19,838 INFO  L276                IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions.
[2021-10-29 03:35:19,838 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2021-10-29 03:35:19,839 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 03:35:19,839 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 03:35:19,849 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 03:35:19,865 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 03:35:19,877 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 03:35:19,877 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions.
[2021-10-29 03:35:19,878 INFO  L276                IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions.
[2021-10-29 03:35:19,878 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2021-10-29 03:35:19,878 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 03:35:19,879 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 03:35:19,888 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 03:35:20,034 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 03:35:20,942 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 03:35:20,943 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 44 states and 55 transitions.
[2021-10-29 03:35:20,943 INFO  L276                IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions.
[2021-10-29 03:35:20,944 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2021-10-29 03:35:20,944 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 03:35:20,944 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 03:35:20,956 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 03:35:21,025 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 03:35:22,038 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 03:35:22,039 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 47 states and 58 transitions.
[2021-10-29 03:35:22,039 INFO  L276                IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions.
[2021-10-29 03:35:22,039 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2021-10-29 03:35:22,040 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 03:35:22,040 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 03:35:22,050 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 03:35:22,063 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 03:35:22,174 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 03:35:22,174 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 44 states and 55 transitions.
[2021-10-29 03:35:22,175 INFO  L276                IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions.
[2021-10-29 03:35:22,175 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2021-10-29 03:35:22,175 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 03:35:22,176 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 03:35:22,184 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 03:35:22,196 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 03:35:22,287 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 03:35:22,287 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 43 states and 54 transitions.
[2021-10-29 03:35:22,287 INFO  L276                IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions.
[2021-10-29 03:35:22,288 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2021-10-29 03:35:22,288 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 03:35:22,289 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 03:35:22,297 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 03:35:22,399 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 03:35:23,376 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 03:35:23,377 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 47 states and 61 transitions.
[2021-10-29 03:35:23,377 INFO  L276                IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions.
[2021-10-29 03:35:23,378 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2021-10-29 03:35:23,378 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 03:35:23,378 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 03:35:23,400 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 03:35:23,569 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 03:35:24,214 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 03:35:24,214 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 43 states and 57 transitions.
[2021-10-29 03:35:24,214 INFO  L276                IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions.
[2021-10-29 03:35:24,215 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2021-10-29 03:35:24,215 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 03:35:24,215 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 03:35:24,223 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 03:35:24,239 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 03:35:24,265 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 03:35:24,267 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 56 transitions.
[2021-10-29 03:35:24,267 INFO  L276                IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions.
[2021-10-29 03:35:24,268 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2021-10-29 03:35:24,272 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 03:35:24,272 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 03:35:24,291 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 03:35:24,313 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 03:35:24,816 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 03:35:24,817 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 41 states and 55 transitions.
[2021-10-29 03:35:24,817 INFO  L276                IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions.
[2021-10-29 03:35:24,817 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2021-10-29 03:35:24,818 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 03:35:24,818 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 03:35:24,827 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 03:35:25,059 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 03:35:26,502 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 03:35:26,503 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 39 states and 50 transitions.
[2021-10-29 03:35:26,503 INFO  L276                IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions.
[2021-10-29 03:35:26,503 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2021-10-29 03:35:26,503 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 03:35:26,504 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 03:35:26,513 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 03:35:26,529 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 03:35:26,988 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 03:35:26,989 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 41 states and 54 transitions.
[2021-10-29 03:35:26,989 INFO  L276                IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions.
[2021-10-29 03:35:26,990 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2021-10-29 03:35:26,990 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 03:35:26,990 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 03:35:27,000 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 03:35:27,097 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 03:35:28,838 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 03:35:28,839 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 57 transitions.
[2021-10-29 03:35:28,839 INFO  L276                IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions.
[2021-10-29 03:35:28,839 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2021-10-29 03:35:28,839 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 03:35:28,840 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 03:35:28,849 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 03:35:29,173 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 03:35:31,815 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 03:35:31,816 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 49 states and 62 transitions.
[2021-10-29 03:35:31,816 INFO  L276                IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions.
[2021-10-29 03:35:31,817 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2021-10-29 03:35:31,817 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 03:35:31,817 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 03:35:31,833 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 03:35:32,192 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 03:35:35,526 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 03:35:35,526 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 68 transitions.
[2021-10-29 03:35:35,527 INFO  L276                IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions.
[2021-10-29 03:35:35,527 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2021-10-29 03:35:35,527 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 03:35:35,527 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 03:35:35,537 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 03:35:35,558 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 03:35:35,573 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 03:35:35,574 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 49 states and 62 transitions.
[2021-10-29 03:35:35,574 INFO  L276                IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions.
[2021-10-29 03:35:35,575 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2021-10-29 03:35:35,575 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 03:35:35,575 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 03:35:35,585 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 03:35:35,633 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 03:35:35,670 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 03:35:35,670 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 44 states and 56 transitions.
[2021-10-29 03:35:35,671 INFO  L276                IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions.
[2021-10-29 03:35:35,671 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-10-29 03:35:35,671 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 03:35:35,672 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 03:35:35,688 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 03:35:35,731 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 03:35:35,744 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 03:35:35,744 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions.
[2021-10-29 03:35:35,745 INFO  L276                IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions.
[2021-10-29 03:35:35,745 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-10-29 03:35:35,745 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 03:35:35,746 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 03:35:35,755 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 03:35:36,068 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 03:35:38,758 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 03:35:38,759 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 43 transitions.
[2021-10-29 03:35:38,759 INFO  L276                IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions.
[2021-10-29 03:35:38,760 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-10-29 03:35:38,760 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 03:35:38,760 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 03:35:38,767 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 03:35:39,142 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 03:35:42,110 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 03:35:42,110 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions.
[2021-10-29 03:35:42,110 INFO  L276                IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions.
[2021-10-29 03:35:42,111 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-10-29 03:35:42,111 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 03:35:42,111 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 03:35:42,123 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 03:35:42,370 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 03:35:43,402 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 03:35:43,403 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 34 states and 39 transitions.
[2021-10-29 03:35:43,403 INFO  L276                IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions.
[2021-10-29 03:35:43,403 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2021-10-29 03:35:43,404 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 03:35:43,404 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 03:35:43,411 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 03:35:44,000 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 03:35:47,416 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 03:35:47,417 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions.
[2021-10-29 03:35:47,417 INFO  L276                IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions.
[2021-10-29 03:35:47,417 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2021-10-29 03:35:47,417 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 03:35:47,418 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 03:35:47,427 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 03:35:48,007 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 03:35:52,719 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 03:35:52,719 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions.
[2021-10-29 03:35:52,719 INFO  L276                IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions.
[2021-10-29 03:35:52,720 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2021-10-29 03:35:52,720 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 03:35:52,720 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 03:35:52,734 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-29 03:35:52,734 INFO  L355             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-29 03:35:52,746 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-29 03:35:52,798 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-29 03:35:52,798 INFO  L355             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-29 03:35:52,811 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-29 03:35:52,845 WARN  L480      CodeCheckObserver]: This program is UNSAFE, Check terminated with 30 iterations.
[2021-10-29 03:35:52,915 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:35:52 ImpRootNode
[2021-10-29 03:35:52,929 INFO  L132        PluginConnector]: ------------------------ END CodeCheck----------------------------
[2021-10-29 03:35:52,930 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-29 03:35:52,930 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-29 03:35:52,931 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-29 03:35:52,931 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:35:17" (3/4) ...
[2021-10-29 03:35:52,934 INFO  L131         WitnessPrinter]: Generating witness for reachability counterexample
[2021-10-29 03:35:53,049 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5a02eb-6c19-439d-83c6-ebf356726560/bin/ukojak-Rh5K9KB4LI/witness.graphml
[2021-10-29 03:35:53,050 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-29 03:35:53,052 INFO  L168              Benchmark]: Toolchain (without parser) took 37102.90 ms. Allocated memory was 88.1 MB in the beginning and 272.6 MB in the end (delta: 184.5 MB). Free memory was 50.8 MB in the beginning and 117.5 MB in the end (delta: -66.7 MB). Peak memory consumption was 117.4 MB. Max. memory is 16.1 GB.
[2021-10-29 03:35:53,052 INFO  L168              Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 88.1 MB. Free memory was 68.8 MB in the beginning and 68.8 MB in the end (delta: 64.5 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-29 03:35:53,053 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 678.88 ms. Allocated memory is still 88.1 MB. Free memory was 50.6 MB in the beginning and 52.8 MB in the end (delta: -2.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-29 03:35:53,054 INFO  L168              Benchmark]: Boogie Procedure Inliner took 54.14 ms. Allocated memory is still 88.1 MB. Free memory was 52.5 MB in the beginning and 50.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-29 03:35:53,055 INFO  L168              Benchmark]: Boogie Preprocessor took 28.49 ms. Allocated memory is still 88.1 MB. Free memory was 50.3 MB in the beginning and 49.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-29 03:35:53,056 INFO  L168              Benchmark]: RCFGBuilder took 639.66 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 48.9 MB in the beginning and 80.0 MB in the end (delta: -31.1 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB.
[2021-10-29 03:35:53,057 INFO  L168              Benchmark]: CodeCheck took 35576.36 ms. Allocated memory was 107.0 MB in the beginning and 272.6 MB in the end (delta: 165.7 MB). Free memory was 80.0 MB in the beginning and 120.6 MB in the end (delta: -40.7 MB). Peak memory consumption was 125.5 MB. Max. memory is 16.1 GB.
[2021-10-29 03:35:53,058 INFO  L168              Benchmark]: Witness Printer took 119.77 ms. Allocated memory is still 272.6 MB. Free memory was 120.6 MB in the beginning and 117.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-29 03:35:53,074 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck:
  - StatisticsResult: Ultimate CodeCheck benchmark data
    CFG has 1 procedures, 36 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 35.4s, OverallIterations: 30, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2080374784 SDtfs, -115571146 SDslu, 932849488 SDs, 0 SdLazy, -1154812824 SolverSat, -1945552026 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2287 GetRequests, 1837 SyntacticMatches, 42 SemanticMatches, 408 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81111 ImplicationChecksByTransitivity, 32.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 239 NumberOfCodeBlocks, 239 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 196 ConstructedInterpolants, 0 QuantifiedInterpolants, 1527 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 29 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available
  - CounterExampleResult [Line: 782]: free of unallocated memory possible
    free of unallocated memory possible
We found a FailurePath: 
[L569]              struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) };
[L784]              struct A a6;
[L764]              int ret = - -3;
[L526]  COND TRUE   __VERIFIER_nondet_int()
[L527]              return malloc(size);
[L765]              int *p = (int *)ldv_malloc(sizeof(int));
[L766]  COND FALSE  !(p==0)
[L758]              return __VERIFIER_nondet_int();
[L768]              ret = f6()
[L769]  COND FALSE  !(ret<0)
[L761]              return __VERIFIER_nondet_int();
[L771]              ret = g6()
[L772]  COND FALSE  !(ret<0)
        VAL         [a6={2:0}, ldv_global_msg_list={3:0}]
[L774]              a->p = p
        VAL         [a6={2:0}, ldv_global_msg_list={3:0}]
[L775]              free(p)
        VAL         [a6={2:0}, ldv_global_msg_list={3:0}]
[L775]              free(p)
        VAL         [a6={2:0}, ldv_global_msg_list={3:0}]
[L775]              free(p)
[L776]              return 0;
        VAL         [a6={2:0}, ldv_global_msg_list={3:0}]
[L786]              int ret = probe3_6(&a6);
[L787]  COND TRUE   ret==0
[L782]  EXPR        a->p
        VAL         [a6={2:0}, ldv_global_msg_list={3:0}]
[L782]              free(a->p)
        VAL         [a6={2:0}, ldv_global_msg_list={3:0}]
[L782]              free(a->p)
        VAL         [a6={2:0}, ldv_global_msg_list={3:0}]
[L782]              free(a->p)
        VAL         [a6={2:0}, ldv_global_msg_list={3:0}]

 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.58 ms. Allocated memory is still 88.1 MB. Free memory was 68.8 MB in the beginning and 68.8 MB in the end (delta: 64.5 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 678.88 ms. Allocated memory is still 88.1 MB. Free memory was 50.6 MB in the beginning and 52.8 MB in the end (delta: -2.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 54.14 ms. Allocated memory is still 88.1 MB. Free memory was 52.5 MB in the beginning and 50.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 28.49 ms. Allocated memory is still 88.1 MB. Free memory was 50.3 MB in the beginning and 49.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 639.66 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 48.9 MB in the beginning and 80.0 MB in the end (delta: -31.1 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB.
 * CodeCheck took 35576.36 ms. Allocated memory was 107.0 MB in the beginning and 272.6 MB in the end (delta: 165.7 MB). Free memory was 80.0 MB in the beginning and 120.6 MB in the end (delta: -40.7 MB). Peak memory consumption was 125.5 MB. Max. memory is 16.1 GB.
 * Witness Printer took 119.77 ms. Allocated memory is still 272.6 MB. Free memory was 120.6 MB in the beginning and 117.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
RESULT: Ultimate proved your program to be incorrect!
[2021-10-29 03:35:53,141 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae5a02eb-6c19-439d-83c6-ebf356726560/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...