./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/locks/test_locks_12.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version b2eff8ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c5b1f-f948-4f7e-b138-404d0f91215e/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c5b1f-f948-4f7e-b138-404d0f91215e/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c5b1f-f948-4f7e-b138-404d0f91215e/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c5b1f-f948-4f7e-b138-404d0f91215e/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/locks/test_locks_12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c5b1f-f948-4f7e-b138-404d0f91215e/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c5b1f-f948-4f7e-b138-404d0f91215e/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 12c3feea735c5360de013afbcf9aaa3880d39f75cbb7661493cccf003151044d
.....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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 23:00:18,535 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-28 23:00:18,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-28 23:00:18,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-28 23:00:18,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-28 23:00:18,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-28 23:00:18,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-28 23:00:18,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-28 23:00:18,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-28 23:00:18,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-28 23:00:18,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-28 23:00:18,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-28 23:00:18,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-28 23:00:18,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-28 23:00:18,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-28 23:00:18,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-28 23:00:18,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-28 23:00:18,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-28 23:00:18,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-28 23:00:18,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-28 23:00:18,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-28 23:00:18,642 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-28 23:00:18,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-28 23:00:18,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-28 23:00:18,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-28 23:00:18,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-28 23:00:18,654 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-28 23:00:18,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-28 23:00:18,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-28 23:00:18,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-28 23:00:18,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-28 23:00:18,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-28 23:00:18,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-28 23:00:18,664 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-28 23:00:18,665 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-28 23:00:18,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-28 23:00:18,666 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-28 23:00:18,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-28 23:00:18,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-28 23:00:18,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-28 23:00:18,669 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-28 23:00:18,669 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c5b1f-f948-4f7e-b138-404d0f91215e/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf
[2021-10-28 23:00:18,704 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-28 23:00:18,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-28 23:00:18,705 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-28 23:00:18,706 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-28 23:00:18,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-28 23:00:18,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-28 23:00:18,707 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-28 23:00:18,707 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-10-28 23:00:18,708 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2021-10-28 23:00:18,708 INFO L138 SettingsManager]: * Use old map elimination=false
[2021-10-28 23:00:18,708 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2021-10-28 23:00:18,708 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2021-10-28 23:00:18,709 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2021-10-28 23:00:18,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-28 23:00:18,709 INFO L138 SettingsManager]: * sizeof long=4
[2021-10-28 23:00:18,709 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-10-28 23:00:18,710 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-28 23:00:18,710 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-10-28 23:00:18,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-28 23:00:18,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2021-10-28 23:00:18,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-10-28 23:00:18,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2021-10-28 23:00:18,711 INFO L138 SettingsManager]: * sizeof long double=12
[2021-10-28 23:00:18,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-28 23:00:18,712 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2021-10-28 23:00:18,712 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-28 23:00:18,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2021-10-28 23:00:18,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-28 23:00:18,713 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-28 23:00:18,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-28 23:00:18,713 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-28 23:00:18,713 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-28 23:00:18,714 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-10-28 23:00:18,715 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_623c5b1f-f948-4f7e-b138-404d0f91215e/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c5b1f-f948-4f7e-b138-404d0f91215e/bin/uautomizer-GMMbpWq8iD
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12c3feea735c5360de013afbcf9aaa3880d39f75cbb7661493cccf003151044d
[2021-10-28 23:00:18,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-28 23:00:18,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-28 23:00:18,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-28 23:00:18,964 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-28 23:00:18,965 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-28 23:00:18,966 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c5b1f-f948-4f7e-b138-404d0f91215e/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/locks/test_locks_12.c
[2021-10-28 23:00:19,043 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c5b1f-f948-4f7e-b138-404d0f91215e/bin/uautomizer-GMMbpWq8iD/data/7dc758c9a/107fe0357f51476fb10949615a9ef0eb/FLAG756384734
[2021-10-28 23:00:19,556 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-28 23:00:19,556 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c5b1f-f948-4f7e-b138-404d0f91215e/sv-benchmarks/c/locks/test_locks_12.c
[2021-10-28 23:00:19,564 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c5b1f-f948-4f7e-b138-404d0f91215e/bin/uautomizer-GMMbpWq8iD/data/7dc758c9a/107fe0357f51476fb10949615a9ef0eb/FLAG756384734
[2021-10-28 23:00:19,953 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c5b1f-f948-4f7e-b138-404d0f91215e/bin/uautomizer-GMMbpWq8iD/data/7dc758c9a/107fe0357f51476fb10949615a9ef0eb
[2021-10-28 23:00:19,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-28 23:00:19,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-28 23:00:19,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-28 23:00:19,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-28 23:00:19,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-28 23:00:19,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:00:19" (1/1) ...
[2021-10-28 23:00:19,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73b86d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:19, skipping insertion in model container
[2021-10-28 23:00:19,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:00:19" (1/1) ...
[2021-10-28 23:00:19,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-28 23:00:20,013 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-28 23:00:20,221 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c5b1f-f948-4f7e-b138-404d0f91215e/sv-benchmarks/c/locks/test_locks_12.c[4591,4604]
[2021-10-28 23:00:20,225 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:00:20,237 INFO L203 MainTranslator]: Completed pre-run
[2021-10-28 23:00:20,261 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c5b1f-f948-4f7e-b138-404d0f91215e/sv-benchmarks/c/locks/test_locks_12.c[4591,4604]
[2021-10-28 23:00:20,262 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:00:20,274 INFO L208 MainTranslator]: Completed translation
[2021-10-28 23:00:20,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:20 WrapperNode
[2021-10-28 23:00:20,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-28 23:00:20,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-28 23:00:20,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-28 23:00:20,288 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-28 23:00:20,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:20" (1/1) ...
[2021-10-28 23:00:20,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:20" (1/1) ...
[2021-10-28 23:00:20,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-28 23:00:20,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-28 23:00:20,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-28 23:00:20,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-28 23:00:20,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:20" (1/1) ...
[2021-10-28 23:00:20,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:20" (1/1) ...
[2021-10-28 23:00:20,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:20" (1/1) ...
[2021-10-28 23:00:20,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:20" (1/1) ...
[2021-10-28 23:00:20,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:20" (1/1) ...
[2021-10-28 23:00:20,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:20" (1/1) ...
[2021-10-28 23:00:20,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:20" (1/1) ...
[2021-10-28 23:00:20,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-28 23:00:20,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-28 23:00:20,391 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-28 23:00:20,391 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-28 23:00:20,392 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:20" (1/1) ...
[2021-10-28 23:00:20,399 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-28 23:00:20,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c5b1f-f948-4f7e-b138-404d0f91215e/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:00:20,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c5b1f-f948-4f7e-b138-404d0f91215e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-28 23:00:20,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c5b1f-f948-4f7e-b138-404d0f91215e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-10-28 23:00:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-28 23:00:20,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-28 23:00:20,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-28 23:00:20,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-28 23:00:20,741 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-28 23:00:20,742 INFO L299 CfgBuilder]: Removed 5 assume(true) statements.
[2021-10-28 23:00:20,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:00:20 BoogieIcfgContainer
[2021-10-28 23:00:20,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-28 23:00:20,745 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-10-28 23:00:20,745 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2021-10-28 23:00:20,748 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2021-10-28 23:00:20,748 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 23:00:20,749 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:00:19" (1/3) ...
[2021-10-28 23:00:20,750 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@160252d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:00:20, skipping insertion in model container
[2021-10-28 23:00:20,750 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 23:00:20,750 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:00:20" (2/3) ...
[2021-10-28 23:00:20,751 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@160252d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:00:20, skipping insertion in model container
[2021-10-28 23:00:20,751 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-28 23:00:20,751 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:00:20" (3/3) ...
[2021-10-28 23:00:20,752 INFO L389 chiAutomizerObserver]: Analyzing ICFG test_locks_12.c
[2021-10-28 23:00:20,794 INFO L359 BuchiCegarLoop]: Interprodecural is true
[2021-10-28 23:00:20,794 INFO L360 BuchiCegarLoop]: Hoare is false
[2021-10-28 23:00:20,795 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-10-28 23:00:20,795 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-28 23:00:20,795 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-28 23:00:20,795 INFO L364 BuchiCegarLoop]: Difference is false
[2021-10-28 23:00:20,795 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-28 23:00:20,795 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-10-28 23:00:20,811 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 45 states, 44 states have (on average 1.8863636363636365) internal successors, (83), 44 states have internal predecessors, (83), 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 23:00:20,832 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 38
[2021-10-28 23:00:20,832 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:00:20,832 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:00:20,838 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-10-28 23:00:20,839 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:00:20,839 INFO L425 BuchiCegarLoop]: ======== Iteration 1============
[2021-10-28 23:00:20,839 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 45 states, 44 states have (on average 1.8863636363636365) internal successors, (83), 44 states have internal predecessors, (83), 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 23:00:20,846 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 38
[2021-10-28 23:00:20,846 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:00:20,846 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:00:20,847 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-10-28 23:00:20,848 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:00:20,854 INFO L791 eck$LassoCheckResult]: Stem: 25#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 7#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_~p1~0, main_~lk1~0, main_~p2~0, main_~lk2~0, main_~p3~0, main_~lk3~0, main_~p4~0, main_~lk4~0, main_~p5~0, main_~lk5~0, main_~p6~0, main_~lk6~0, main_~p7~0, main_~lk7~0, main_~p8~0, main_~lk8~0, main_~p9~0, main_~lk9~0, main_~p10~0, main_~lk10~0, main_~p11~0, main_~lk11~0, main_~p12~0, main_~lk12~0, main_~cond~0;main_~p1~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~lk1~0;main_~p2~0 := main_#t~nondet8;havoc main_#t~nondet8;havoc main_~lk2~0;main_~p3~0 := main_#t~nondet9;havoc main_#t~nondet9;havoc main_~lk3~0;main_~p4~0 := main_#t~nondet10;havoc main_#t~nondet10;havoc main_~lk4~0;main_~p5~0 := main_#t~nondet11;havoc main_#t~nondet11;havoc main_~lk5~0;main_~p6~0 := main_#t~nondet12;havoc main_#t~nondet12;havoc main_~lk6~0;main_~p7~0 := main_#t~nondet13;havoc main_#t~nondet13;havoc main_~lk7~0;main_~p8~0 := main_#t~nondet14;havoc main_#t~nondet14;havoc main_~lk8~0;main_~p9~0 := main_#t~nondet15;havoc main_#t~nondet15;havoc main_~lk9~0;main_~p10~0 := main_#t~nondet16;havoc main_#t~nondet16;havoc main_~lk10~0;main_~p11~0 := main_#t~nondet17;havoc main_#t~nondet17;havoc main_~lk11~0;main_~p12~0 := main_#t~nondet18;havoc main_#t~nondet18;havoc main_~lk12~0;havoc main_~cond~0; 34#L183-1true
[2021-10-28 23:00:20,855 INFO L793 eck$LassoCheckResult]: Loop: 34#L183-1true assume !false;main_~cond~0 := main_#t~nondet19;havoc main_#t~nondet19; 18#L49true assume !(0 == main_~cond~0);main_~lk1~0 := 0;main_~lk2~0 := 0;main_~lk3~0 := 0;main_~lk4~0 := 0;main_~lk5~0 := 0;main_~lk6~0 := 0;main_~lk7~0 := 0;main_~lk8~0 := 0;main_~lk9~0 := 0;main_~lk10~0 := 0;main_~lk11~0 := 0;main_~lk12~0 := 0; 35#L78true assume 0 != main_~p1~0;main_~lk1~0 := 1; 15#L78-2true assume 0 != main_~p2~0;main_~lk2~0 := 1; 13#L82-1true assume !(0 != main_~p3~0); 9#L86-1true assume 0 != main_~p4~0;main_~lk4~0 := 1; 36#L90-1true assume 0 != main_~p5~0;main_~lk5~0 := 1; 12#L94-1true assume 0 != main_~p6~0;main_~lk6~0 := 1; 20#L98-1true assume 0 != main_~p7~0;main_~lk7~0 := 1; 33#L102-1true assume 0 != main_~p8~0;main_~lk8~0 := 1; 16#L106-1true assume 0 != main_~p9~0;main_~lk9~0 := 1; 26#L110-1true assume 0 != main_~p10~0;main_~lk10~0 := 1; 42#L114-1true assume !(0 != main_~p11~0); 31#L118-1true assume 0 != main_~p12~0;main_~lk12~0 := 1; 14#L122-1true assume !(0 != main_~p1~0); 28#L128-1true assume !(0 != main_~p2~0); 5#L133-1true assume !(0 != main_~p3~0); 4#L138-1true assume !(0 != main_~p4~0); 27#L143-1true assume !(0 != main_~p5~0); 6#L148-1true assume !(0 != main_~p6~0); 22#L153-1true assume !(0 != main_~p7~0); 39#L158-1true assume !(0 != main_~p8~0); 24#L163-1true assume !(0 != main_~p9~0); 41#L168-1true assume !(0 != main_~p10~0); 19#L173-1true assume !(0 != main_~p11~0); 8#L178-1true assume !(0 != main_~p12~0); 34#L183-1true
[2021-10-28 23:00:20,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:00:20,861 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times
[2021-10-28 23:00:20,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:00:20,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333407558]
[2021-10-28 23:00:20,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:00:20,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:00:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:00:20,969 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:00:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:00:21,022 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:00:21,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:00:21,025 INFO L85 PathProgramCache]: Analyzing trace with hash -819199544, now seen corresponding path program 1 times
[2021-10-28 23:00:21,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:00:21,026 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802564869]
[2021-10-28 23:00:21,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:00:21,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:00:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:00:21,195 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 23:00:21,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:00:21,196 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802564869]
[2021-10-28 23:00:21,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802564869] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:00:21,197 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:00:21,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:00:21,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35782398]
[2021-10-28 23:00:21,202 INFO L808 eck$LassoCheckResult]: loop already infeasible
[2021-10-28 23:00:21,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:00:21,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:00:21,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:00:21,229 INFO L87 Difference]: Start difference. First operand has 45 states, 44 states have (on average 1.8863636363636365) internal successors, (83), 44 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 23:00:21,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:00:21,285 INFO L93 Difference]: Finished difference Result 87 states and 154 transitions.
[2021-10-28 23:00:21,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:00:21,288 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 87 states and 154 transitions.
[2021-10-28 23:00:21,304 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75
[2021-10-28 23:00:21,313 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 87 states to 77 states and 123 transitions.
[2021-10-28 23:00:21,314 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 77
[2021-10-28 23:00:21,315 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 77
[2021-10-28 23:00:21,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 77 states and 123 transitions.
[2021-10-28 23:00:21,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:00:21,317 INFO L681 BuchiCegarLoop]: Abstraction has 77 states and 123 transitions.
[2021-10-28 23:00:21,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states and 123 transitions.
[2021-10-28 23:00:21,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77.
[2021-10-28 23:00:21,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 77 states have (on average 1.5974025974025974) internal successors, (123), 76 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-28 23:00:21,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 123 transitions.
[2021-10-28 23:00:21,359 INFO L704 BuchiCegarLoop]: Abstraction has 77 states and 123 transitions.
[2021-10-28 23:00:21,359 INFO L587 BuchiCegarLoop]: Abstraction has 77 states and 123 transitions.
[2021-10-28 23:00:21,360 INFO L425 BuchiCegarLoop]: ======== Iteration 2============
[2021-10-28 23:00:21,360 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states and 123 transitions.
[2021-10-28 23:00:21,368 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75
[2021-10-28 23:00:21,369 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:00:21,369 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:00:21,371 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-10-28 23:00:21,372 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:00:21,373 INFO L791 eck$LassoCheckResult]: Stem: 176#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 152#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_~p1~0, main_~lk1~0, main_~p2~0, main_~lk2~0, main_~p3~0, main_~lk3~0, main_~p4~0, main_~lk4~0, main_~p5~0, main_~lk5~0, main_~p6~0, main_~lk6~0, main_~p7~0, main_~lk7~0, main_~p8~0, main_~lk8~0, main_~p9~0, main_~lk9~0, main_~p10~0, main_~lk10~0, main_~p11~0, main_~lk11~0, main_~p12~0, main_~lk12~0, main_~cond~0;main_~p1~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~lk1~0;main_~p2~0 := main_#t~nondet8;havoc main_#t~nondet8;havoc main_~lk2~0;main_~p3~0 := main_#t~nondet9;havoc main_#t~nondet9;havoc main_~lk3~0;main_~p4~0 := main_#t~nondet10;havoc main_#t~nondet10;havoc main_~lk4~0;main_~p5~0 := main_#t~nondet11;havoc main_#t~nondet11;havoc main_~lk5~0;main_~p6~0 := main_#t~nondet12;havoc main_#t~nondet12;havoc main_~lk6~0;main_~p7~0 := main_#t~nondet13;havoc main_#t~nondet13;havoc main_~lk7~0;main_~p8~0 := main_#t~nondet14;havoc main_#t~nondet14;havoc main_~lk8~0;main_~p9~0 := main_#t~nondet15;havoc main_#t~nondet15;havoc main_~lk9~0;main_~p10~0 := main_#t~nondet16;havoc main_#t~nondet16;havoc main_~lk10~0;main_~p11~0 := main_#t~nondet17;havoc main_#t~nondet17;havoc main_~lk11~0;main_~p12~0 := main_#t~nondet18;havoc main_#t~nondet18;havoc main_~lk12~0;havoc main_~cond~0; 151#L183-1
[2021-10-28 23:00:21,373 INFO L793 eck$LassoCheckResult]: Loop: 151#L183-1 assume !false;main_~cond~0 := main_#t~nondet19;havoc main_#t~nondet19; 167#L49 assume !(0 == main_~cond~0);main_~lk1~0 := 0;main_~lk2~0 := 0;main_~lk3~0 := 0;main_~lk4~0 := 0;main_~lk5~0 := 0;main_~lk6~0 := 0;main_~lk7~0 := 0;main_~lk8~0 := 0;main_~lk9~0 := 0;main_~lk10~0 := 0;main_~lk11~0 := 0;main_~lk12~0 := 0; 168#L78 assume !(0 != main_~p1~0); 196#L78-2 assume 0 != main_~p2~0;main_~lk2~0 := 1; 195#L82-1 assume !(0 != main_~p3~0); 153#L86-1 assume 0 != main_~p4~0;main_~lk4~0 := 1; 154#L90-1 assume 0 != main_~p5~0;main_~lk5~0 := 1; 194#L94-1 assume 0 != main_~p6~0;main_~lk6~0 := 1; 193#L98-1 assume 0 != main_~p7~0;main_~lk7~0 := 1; 192#L102-1 assume 0 != main_~p8~0;main_~lk8~0 := 1; 191#L106-1 assume 0 != main_~p9~0;main_~lk9~0 := 1; 190#L110-1 assume 0 != main_~p10~0;main_~lk10~0 := 1; 187#L114-1 assume !(0 != main_~p11~0); 188#L118-1 assume 0 != main_~p12~0;main_~lk12~0 := 1; 189#L122-1 assume !(0 != main_~p1~0); 179#L128-1 assume !(0 != main_~p2~0); 144#L133-1 assume !(0 != main_~p3~0); 141#L138-1 assume !(0 != main_~p4~0); 142#L143-1 assume !(0 != main_~p5~0); 146#L148-1 assume !(0 != main_~p6~0); 148#L153-1 assume !(0 != main_~p7~0); 156#L158-1 assume !(0 != main_~p8~0); 205#L163-1 assume !(0 != main_~p9~0); 185#L168-1 assume !(0 != main_~p10~0); 169#L173-1 assume !(0 != main_~p11~0); 149#L178-1 assume !(0 != main_~p12~0); 151#L183-1
[2021-10-28 23:00:21,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:00:21,377 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times
[2021-10-28 23:00:21,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:00:21,377 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752916289]
[2021-10-28 23:00:21,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:00:21,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:00:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:00:21,406 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:00:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:00:21,453 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:00:21,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:00:21,454 INFO L85 PathProgramCache]: Analyzing trace with hash -953213050, now seen corresponding path program 1 times
[2021-10-28 23:00:21,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:00:21,454 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371499848]
[2021-10-28 23:00:21,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:00:21,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:00:21,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:00:21,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:00:21,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:00:21,520 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371499848]
[2021-10-28 23:00:21,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371499848] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:00:21,521 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:00:21,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:00:21,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781049071]
[2021-10-28 23:00:21,522 INFO L808 eck$LassoCheckResult]: loop already infeasible
[2021-10-28 23:00:21,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:00:21,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:00:21,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:00:21,523 INFO L87 Difference]: Start difference. First operand 77 states and 123 transitions. cyclomatic complexity: 48 Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 23:00:21,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:00:21,556 INFO L93 Difference]: Finished difference Result 150 states and 238 transitions.
[2021-10-28 23:00:21,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:00:21,557 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 150 states and 238 transitions.
[2021-10-28 23:00:21,562 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 148
[2021-10-28 23:00:21,566 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 150 states to 150 states and 238 transitions.
[2021-10-28 23:00:21,567 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 150
[2021-10-28 23:00:21,568 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 150
[2021-10-28 23:00:21,568 INFO L73 IsDeterministic]: Start isDeterministic. Operand 150 states and 238 transitions.
[2021-10-28 23:00:21,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:00:21,570 INFO L681 BuchiCegarLoop]: Abstraction has 150 states and 238 transitions.
[2021-10-28 23:00:21,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states and 238 transitions.
[2021-10-28 23:00:21,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150.
[2021-10-28 23:00:21,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 150 states have (on average 1.5866666666666667) internal successors, (238), 149 states have internal predecessors, (238), 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 23:00:21,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 238 transitions.
[2021-10-28 23:00:21,586 INFO L704 BuchiCegarLoop]: Abstraction has 150 states and 238 transitions.
[2021-10-28 23:00:21,586 INFO L587 BuchiCegarLoop]: Abstraction has 150 states and 238 transitions.
[2021-10-28 23:00:21,586 INFO L425 BuchiCegarLoop]: ======== Iteration 3============
[2021-10-28 23:00:21,586 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 150 states and 238 transitions.
[2021-10-28 23:00:21,587 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 148
[2021-10-28 23:00:21,588 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:00:21,588 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:00:21,589 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-10-28 23:00:21,589 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:00:21,589 INFO L791 eck$LassoCheckResult]: Stem: 414#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 386#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_~p1~0, main_~lk1~0, main_~p2~0, main_~lk2~0, main_~p3~0, main_~lk3~0, main_~p4~0, main_~lk4~0, main_~p5~0, main_~lk5~0, main_~p6~0, main_~lk6~0, main_~p7~0, main_~lk7~0, main_~p8~0, main_~lk8~0, main_~p9~0, main_~lk9~0, main_~p10~0, main_~lk10~0, main_~p11~0, main_~lk11~0, main_~p12~0, main_~lk12~0, main_~cond~0;main_~p1~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~lk1~0;main_~p2~0 := main_#t~nondet8;havoc main_#t~nondet8;havoc main_~lk2~0;main_~p3~0 := main_#t~nondet9;havoc main_#t~nondet9;havoc main_~lk3~0;main_~p4~0 := main_#t~nondet10;havoc main_#t~nondet10;havoc main_~lk4~0;main_~p5~0 := main_#t~nondet11;havoc main_#t~nondet11;havoc main_~lk5~0;main_~p6~0 := main_#t~nondet12;havoc main_#t~nondet12;havoc main_~lk6~0;main_~p7~0 := main_#t~nondet13;havoc main_#t~nondet13;havoc main_~lk7~0;main_~p8~0 := main_#t~nondet14;havoc main_#t~nondet14;havoc main_~lk8~0;main_~p9~0 := main_#t~nondet15;havoc main_#t~nondet15;havoc main_~lk9~0;main_~p10~0 := main_#t~nondet16;havoc main_#t~nondet16;havoc main_~lk10~0;main_~p11~0 := main_#t~nondet17;havoc main_#t~nondet17;havoc main_~lk11~0;main_~p12~0 := main_#t~nondet18;havoc main_#t~nondet18;havoc main_~lk12~0;havoc main_~cond~0; 387#L183-1
[2021-10-28 23:00:21,589 INFO L793 eck$LassoCheckResult]: Loop: 387#L183-1 assume !false;main_~cond~0 := main_#t~nondet19;havoc main_#t~nondet19; 405#L49 assume !(0 == main_~cond~0);main_~lk1~0 := 0;main_~lk2~0 := 0;main_~lk3~0 := 0;main_~lk4~0 := 0;main_~lk5~0 := 0;main_~lk6~0 := 0;main_~lk7~0 := 0;main_~lk8~0 := 0;main_~lk9~0 := 0;main_~lk10~0 := 0;main_~lk11~0 := 0;main_~lk12~0 := 0; 406#L78 assume !(0 != main_~p1~0); 483#L78-2 assume !(0 != main_~p2~0); 396#L82-1 assume !(0 != main_~p3~0); 390#L86-1 assume 0 != main_~p4~0;main_~lk4~0 := 1; 391#L90-1 assume 0 != main_~p5~0;main_~lk5~0 := 1; 475#L94-1 assume 0 != main_~p6~0;main_~lk6~0 := 1; 471#L98-1 assume 0 != main_~p7~0;main_~lk7~0 := 1; 469#L102-1 assume 0 != main_~p8~0;main_~lk8~0 := 1; 466#L106-1 assume 0 != main_~p9~0;main_~lk9~0 := 1; 464#L110-1 assume 0 != main_~p10~0;main_~lk10~0 := 1; 427#L114-1 assume !(0 != main_~p11~0); 419#L118-1 assume 0 != main_~p12~0;main_~lk12~0 := 1; 420#L122-1 assume !(0 != main_~p1~0); 458#L128-1 assume !(0 != main_~p2~0); 377#L133-1 assume !(0 != main_~p3~0); 379#L138-1 assume !(0 != main_~p4~0); 448#L143-1 assume !(0 != main_~p5~0); 446#L148-1 assume !(0 != main_~p6~0); 444#L153-1 assume !(0 != main_~p7~0); 424#L158-1 assume !(0 != main_~p8~0); 409#L163-1 assume !(0 != main_~p9~0); 411#L168-1 assume !(0 != main_~p10~0); 439#L173-1 assume !(0 != main_~p11~0); 434#L178-1 assume !(0 != main_~p12~0); 387#L183-1
[2021-10-28 23:00:21,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:00:21,590 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 3 times
[2021-10-28 23:00:21,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:00:21,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191894058]
[2021-10-28 23:00:21,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:00:21,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:00:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:00:21,603 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:00:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:00:21,618 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:00:21,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:00:21,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1536315912, now seen corresponding path program 1 times
[2021-10-28 23:00:21,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:00:21,621 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152552326]
[2021-10-28 23:00:21,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:00:21,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:00:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:00:21,668 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 23:00:21,668 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:00:21,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152552326]
[2021-10-28 23:00:21,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152552326] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:00:21,669 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:00:21,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:00:21,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229952311]
[2021-10-28 23:00:21,669 INFO L808 eck$LassoCheckResult]: loop already infeasible
[2021-10-28 23:00:21,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:00:21,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:00:21,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:00:21,671 INFO L87 Difference]: Start difference. First operand 150 states and 238 transitions. cyclomatic complexity: 92 Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 23:00:21,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:00:21,693 INFO L93 Difference]: Finished difference Result 294 states and 462 transitions.
[2021-10-28 23:00:21,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:00:21,693 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 294 states and 462 transitions.
[2021-10-28 23:00:21,696 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 292
[2021-10-28 23:00:21,699 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 294 states to 294 states and 462 transitions.
[2021-10-28 23:00:21,700 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 294
[2021-10-28 23:00:21,700 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 294
[2021-10-28 23:00:21,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 294 states and 462 transitions.
[2021-10-28 23:00:21,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:00:21,703 INFO L681 BuchiCegarLoop]: Abstraction has 294 states and 462 transitions.
[2021-10-28 23:00:21,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states and 462 transitions.
[2021-10-28 23:00:21,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294.
[2021-10-28 23:00:21,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 294 states have (on average 1.5714285714285714) internal successors, (462), 293 states have internal predecessors, (462), 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 23:00:21,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 462 transitions.
[2021-10-28 23:00:21,738 INFO L704 BuchiCegarLoop]: Abstraction has 294 states and 462 transitions.
[2021-10-28 23:00:21,738 INFO L587 BuchiCegarLoop]: Abstraction has 294 states and 462 transitions.
[2021-10-28 23:00:21,738 INFO L425 BuchiCegarLoop]: ======== Iteration 4============
[2021-10-28 23:00:21,738 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 294 states and 462 transitions.
[2021-10-28 23:00:21,742 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 292
[2021-10-28 23:00:21,742 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:00:21,742 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:00:21,744 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-10-28 23:00:21,744 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:00:21,744 INFO L791 eck$LassoCheckResult]: Stem: 860#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 831#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_~p1~0, main_~lk1~0, main_~p2~0, main_~lk2~0, main_~p3~0, main_~lk3~0, main_~p4~0, main_~lk4~0, main_~p5~0, main_~lk5~0, main_~p6~0, main_~lk6~0, main_~p7~0, main_~lk7~0, main_~p8~0, main_~lk8~0, main_~p9~0, main_~lk9~0, main_~p10~0, main_~lk10~0, main_~p11~0, main_~lk11~0, main_~p12~0, main_~lk12~0, main_~cond~0;main_~p1~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~lk1~0;main_~p2~0 := main_#t~nondet8;havoc main_#t~nondet8;havoc main_~lk2~0;main_~p3~0 := main_#t~nondet9;havoc main_#t~nondet9;havoc main_~lk3~0;main_~p4~0 := main_#t~nondet10;havoc main_#t~nondet10;havoc main_~lk4~0;main_~p5~0 := main_#t~nondet11;havoc main_#t~nondet11;havoc main_~lk5~0;main_~p6~0 := main_#t~nondet12;havoc main_#t~nondet12;havoc main_~lk6~0;main_~p7~0 := main_#t~nondet13;havoc main_#t~nondet13;havoc main_~lk7~0;main_~p8~0 := main_#t~nondet14;havoc main_#t~nondet14;havoc main_~lk8~0;main_~p9~0 := main_#t~nondet15;havoc main_#t~nondet15;havoc main_~lk9~0;main_~p10~0 := main_#t~nondet16;havoc main_#t~nondet16;havoc main_~lk10~0;main_~p11~0 := main_#t~nondet17;havoc main_#t~nondet17;havoc main_~lk11~0;main_~p12~0 := main_#t~nondet18;havoc main_#t~nondet18;havoc main_~lk12~0;havoc main_~cond~0; 832#L183-1
[2021-10-28 23:00:21,744 INFO L793 eck$LassoCheckResult]: Loop: 832#L183-1 assume !false;main_~cond~0 := main_#t~nondet19;havoc main_#t~nondet19; 936#L49 assume !(0 == main_~cond~0);main_~lk1~0 := 0;main_~lk2~0 := 0;main_~lk3~0 := 0;main_~lk4~0 := 0;main_~lk5~0 := 0;main_~lk6~0 := 0;main_~lk7~0 := 0;main_~lk8~0 := 0;main_~lk9~0 := 0;main_~lk10~0 := 0;main_~lk11~0 := 0;main_~lk12~0 := 0; 930#L78 assume !(0 != main_~p1~0); 931#L78-2 assume !(0 != main_~p2~0); 1011#L82-1 assume !(0 != main_~p3~0); 1007#L86-1 assume !(0 != main_~p4~0); 1004#L90-1 assume 0 != main_~p5~0;main_~lk5~0 := 1; 1001#L94-1 assume 0 != main_~p6~0;main_~lk6~0 := 1; 998#L98-1 assume 0 != main_~p7~0;main_~lk7~0 := 1; 995#L102-1 assume 0 != main_~p8~0;main_~lk8~0 := 1; 992#L106-1 assume 0 != main_~p9~0;main_~lk9~0 := 1; 989#L110-1 assume 0 != main_~p10~0;main_~lk10~0 := 1; 986#L114-1 assume !(0 != main_~p11~0); 981#L118-1 assume 0 != main_~p12~0;main_~lk12~0 := 1; 932#L122-1 assume !(0 != main_~p1~0); 933#L128-1 assume !(0 != main_~p2~0); 977#L133-1 assume !(0 != main_~p3~0); 972#L138-1 assume !(0 != main_~p4~0); 969#L143-1 assume !(0 != main_~p5~0); 965#L148-1 assume !(0 != main_~p6~0); 961#L153-1 assume !(0 != main_~p7~0); 957#L158-1 assume !(0 != main_~p8~0); 953#L163-1 assume !(0 != main_~p9~0); 949#L168-1 assume !(0 != main_~p10~0); 944#L173-1 assume !(0 != main_~p11~0); 941#L178-1 assume !(0 != main_~p12~0); 832#L183-1
[2021-10-28 23:00:21,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:00:21,745 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 4 times
[2021-10-28 23:00:21,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:00:21,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010984657]
[2021-10-28 23:00:21,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:00:21,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:00:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:00:21,776 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:00:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:00:21,798 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:00:21,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:00:21,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1959017738, now seen corresponding path program 1 times
[2021-10-28 23:00:21,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:00:21,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117629534]
[2021-10-28 23:00:21,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:00:21,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:00:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:00:21,847 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 23:00:21,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:00:21,848 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117629534]
[2021-10-28 23:00:21,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117629534] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:00:21,848 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:00:21,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:00:21,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225247036]
[2021-10-28 23:00:21,849 INFO L808 eck$LassoCheckResult]: loop already infeasible
[2021-10-28 23:00:21,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:00:21,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:00:21,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:00:21,852 INFO L87 Difference]: Start difference. First operand 294 states and 462 transitions. cyclomatic complexity: 176 Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 23:00:21,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:00:21,887 INFO L93 Difference]: Finished difference Result 578 states and 898 transitions.
[2021-10-28 23:00:21,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:00:21,888 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 578 states and 898 transitions.
[2021-10-28 23:00:21,895 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 576
[2021-10-28 23:00:21,900 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 578 states to 578 states and 898 transitions.
[2021-10-28 23:00:21,900 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 578
[2021-10-28 23:00:21,902 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 578
[2021-10-28 23:00:21,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 578 states and 898 transitions.
[2021-10-28 23:00:21,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:00:21,916 INFO L681 BuchiCegarLoop]: Abstraction has 578 states and 898 transitions.
[2021-10-28 23:00:21,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states and 898 transitions.
[2021-10-28 23:00:21,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 578.
[2021-10-28 23:00:21,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 578 states have (on average 1.5536332179930796) internal successors, (898), 577 states have internal predecessors, (898), 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 23:00:21,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 898 transitions.
[2021-10-28 23:00:21,980 INFO L704 BuchiCegarLoop]: Abstraction has 578 states and 898 transitions.
[2021-10-28 23:00:21,981 INFO L587 BuchiCegarLoop]: Abstraction has 578 states and 898 transitions.
[2021-10-28 23:00:21,981 INFO L425 BuchiCegarLoop]: ======== Iteration 5============
[2021-10-28 23:00:21,981 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 578 states and 898 transitions.
[2021-10-28 23:00:21,985 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 576
[2021-10-28 23:00:21,985 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:00:21,986 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:00:21,986 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-10-28 23:00:21,986 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:00:21,987 INFO L791 eck$LassoCheckResult]: Stem: 1741#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 1709#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_~p1~0, main_~lk1~0, main_~p2~0, main_~lk2~0, main_~p3~0, main_~lk3~0, main_~p4~0, main_~lk4~0, main_~p5~0, main_~lk5~0, main_~p6~0, main_~lk6~0, main_~p7~0, main_~lk7~0, main_~p8~0, main_~lk8~0, main_~p9~0, main_~lk9~0, main_~p10~0, main_~lk10~0, main_~p11~0, main_~lk11~0, main_~p12~0, main_~lk12~0, main_~cond~0;main_~p1~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~lk1~0;main_~p2~0 := main_#t~nondet8;havoc main_#t~nondet8;havoc main_~lk2~0;main_~p3~0 := main_#t~nondet9;havoc main_#t~nondet9;havoc main_~lk3~0;main_~p4~0 := main_#t~nondet10;havoc main_#t~nondet10;havoc main_~lk4~0;main_~p5~0 := main_#t~nondet11;havoc main_#t~nondet11;havoc main_~lk5~0;main_~p6~0 := main_#t~nondet12;havoc main_#t~nondet12;havoc main_~lk6~0;main_~p7~0 := main_#t~nondet13;havoc main_#t~nondet13;havoc main_~lk7~0;main_~p8~0 := main_#t~nondet14;havoc main_#t~nondet14;havoc main_~lk8~0;main_~p9~0 := main_#t~nondet15;havoc main_#t~nondet15;havoc main_~lk9~0;main_~p10~0 := main_#t~nondet16;havoc main_#t~nondet16;havoc main_~lk10~0;main_~p11~0 := main_#t~nondet17;havoc main_#t~nondet17;havoc main_~lk11~0;main_~p12~0 := main_#t~nondet18;havoc main_#t~nondet18;havoc main_~lk12~0;havoc main_~cond~0; 1710#L183-1
[2021-10-28 23:00:21,987 INFO L793 eck$LassoCheckResult]: Loop: 1710#L183-1 assume !false;main_~cond~0 := main_#t~nondet19;havoc main_#t~nondet19; 1939#L49 assume !(0 == main_~cond~0);main_~lk1~0 := 0;main_~lk2~0 := 0;main_~lk3~0 := 0;main_~lk4~0 := 0;main_~lk5~0 := 0;main_~lk6~0 := 0;main_~lk7~0 := 0;main_~lk8~0 := 0;main_~lk9~0 := 0;main_~lk10~0 := 0;main_~lk11~0 := 0;main_~lk12~0 := 0; 1938#L78 assume !(0 != main_~p1~0); 1937#L78-2 assume !(0 != main_~p2~0); 1928#L82-1 assume !(0 != main_~p3~0); 1929#L86-1 assume !(0 != main_~p4~0); 1910#L90-1 assume !(0 != main_~p5~0); 1912#L94-1 assume 0 != main_~p6~0;main_~lk6~0 := 1; 1894#L98-1 assume 0 != main_~p7~0;main_~lk7~0 := 1; 1895#L102-1 assume 0 != main_~p8~0;main_~lk8~0 := 1; 1878#L106-1 assume 0 != main_~p9~0;main_~lk9~0 := 1; 1879#L110-1 assume 0 != main_~p10~0;main_~lk10~0 := 1; 1862#L114-1 assume !(0 != main_~p11~0); 1863#L118-1 assume 0 != main_~p12~0;main_~lk12~0 := 1; 1846#L122-1 assume !(0 != main_~p1~0); 1847#L128-1 assume !(0 != main_~p2~0); 1967#L133-1 assume !(0 != main_~p3~0); 1964#L138-1 assume !(0 != main_~p4~0); 1961#L143-1 assume !(0 != main_~p5~0); 1960#L148-1 assume !(0 != main_~p6~0); 1958#L153-1 assume !(0 != main_~p7~0); 1956#L158-1 assume !(0 != main_~p8~0); 1953#L163-1 assume !(0 != main_~p9~0); 1951#L168-1 assume !(0 != main_~p10~0); 1945#L173-1 assume !(0 != main_~p11~0); 1942#L178-1 assume !(0 != main_~p12~0); 1710#L183-1
[2021-10-28 23:00:21,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:00:21,997 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 5 times
[2021-10-28 23:00:21,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:00:21,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170492831]
[2021-10-28 23:00:21,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:00:21,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:00:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:00:22,006 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:00:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:00:22,028 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:00:22,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:00:22,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1141369288, now seen corresponding path program 1 times
[2021-10-28 23:00:22,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:00:22,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112664083]
[2021-10-28 23:00:22,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:00:22,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:00:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:00:22,052 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 23:00:22,053 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:00:22,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112664083]
[2021-10-28 23:00:22,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112664083] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:00:22,053 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:00:22,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:00:22,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678442667]
[2021-10-28 23:00:22,054 INFO L808 eck$LassoCheckResult]: loop already infeasible
[2021-10-28 23:00:22,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:00:22,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:00:22,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:00:22,055 INFO L87 Difference]: Start difference. First operand 578 states and 898 transitions. cyclomatic complexity: 336 Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 23:00:22,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:00:22,080 INFO L93 Difference]: Finished difference Result 1138 states and 1746 transitions.
[2021-10-28 23:00:22,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:00:22,081 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1138 states and 1746 transitions.
[2021-10-28 23:00:22,091 INFO L131 ngComponentsAnalysis]: Automaton has 32 accepting balls. 1136
[2021-10-28 23:00:22,104 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1138 states to 1138 states and 1746 transitions.
[2021-10-28 23:00:22,104 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1138
[2021-10-28 23:00:22,106 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1138
[2021-10-28 23:00:22,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1138 states and 1746 transitions.
[2021-10-28 23:00:22,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:00:22,108 INFO L681 BuchiCegarLoop]: Abstraction has 1138 states and 1746 transitions.
[2021-10-28 23:00:22,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states and 1746 transitions.
[2021-10-28 23:00:22,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 1138.
[2021-10-28 23:00:22,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1138 states, 1138 states have (on average 1.5342706502636203) internal successors, (1746), 1137 states have internal predecessors, (1746), 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 23:00:22,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1746 transitions.
[2021-10-28 23:00:22,135 INFO L704 BuchiCegarLoop]: Abstraction has 1138 states and 1746 transitions.
[2021-10-28 23:00:22,135 INFO L587 BuchiCegarLoop]: Abstraction has 1138 states and 1746 transitions.
[2021-10-28 23:00:22,135 INFO L425 BuchiCegarLoop]: ======== Iteration 6============
[2021-10-28 23:00:22,136 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1138 states and 1746 transitions.
[2021-10-28 23:00:22,144 INFO L131 ngComponentsAnalysis]: Automaton has 32 accepting balls. 1136
[2021-10-28 23:00:22,144 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:00:22,144 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:00:22,146 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-10-28 23:00:22,146 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:00:22,146 INFO L791 eck$LassoCheckResult]: Stem: 3463#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 3431#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_~p1~0, main_~lk1~0, main_~p2~0, main_~lk2~0, main_~p3~0, main_~lk3~0, main_~p4~0, main_~lk4~0, main_~p5~0, main_~lk5~0, main_~p6~0, main_~lk6~0, main_~p7~0, main_~lk7~0, main_~p8~0, main_~lk8~0, main_~p9~0, main_~lk9~0, main_~p10~0, main_~lk10~0, main_~p11~0, main_~lk11~0, main_~p12~0, main_~lk12~0, main_~cond~0;main_~p1~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~lk1~0;main_~p2~0 := main_#t~nondet8;havoc main_#t~nondet8;havoc main_~lk2~0;main_~p3~0 := main_#t~nondet9;havoc main_#t~nondet9;havoc main_~lk3~0;main_~p4~0 := main_#t~nondet10;havoc main_#t~nondet10;havoc main_~lk4~0;main_~p5~0 := main_#t~nondet11;havoc main_#t~nondet11;havoc main_~lk5~0;main_~p6~0 := main_#t~nondet12;havoc main_#t~nondet12;havoc main_~lk6~0;main_~p7~0 := main_#t~nondet13;havoc main_#t~nondet13;havoc main_~lk7~0;main_~p8~0 := main_#t~nondet14;havoc main_#t~nondet14;havoc main_~lk8~0;main_~p9~0 := main_#t~nondet15;havoc main_#t~nondet15;havoc main_~lk9~0;main_~p10~0 := main_#t~nondet16;havoc main_#t~nondet16;havoc main_~lk10~0;main_~p11~0 := main_#t~nondet17;havoc main_#t~nondet17;havoc main_~lk11~0;main_~p12~0 := main_#t~nondet18;havoc main_#t~nondet18;havoc main_~lk12~0;havoc main_~cond~0; 3432#L183-1
[2021-10-28 23:00:22,146 INFO L793 eck$LassoCheckResult]: Loop: 3432#L183-1 assume !false;main_~cond~0 := main_#t~nondet19;havoc main_#t~nondet19; 3657#L49 assume !(0 == main_~cond~0);main_~lk1~0 := 0;main_~lk2~0 := 0;main_~lk3~0 := 0;main_~lk4~0 := 0;main_~lk5~0 := 0;main_~lk6~0 := 0;main_~lk7~0 := 0;main_~lk8~0 := 0;main_~lk9~0 := 0;main_~lk10~0 := 0;main_~lk11~0 := 0;main_~lk12~0 := 0; 3654#L78 assume !(0 != main_~p1~0); 3651#L78-2 assume !(0 != main_~p2~0); 3644#L82-1 assume !(0 != main_~p3~0); 3645#L86-1 assume !(0 != main_~p4~0); 3627#L90-1 assume !(0 != main_~p5~0); 3629#L94-1 assume !(0 != main_~p6~0); 3613#L98-1 assume 0 != main_~p7~0;main_~lk7~0 := 1; 3614#L102-1 assume 0 != main_~p8~0;main_~lk8~0 := 1; 3599#L106-1 assume 0 != main_~p9~0;main_~lk9~0 := 1; 3600#L110-1 assume 0 != main_~p10~0;main_~lk10~0 := 1; 3585#L114-1 assume !(0 != main_~p11~0); 3586#L118-1 assume 0 != main_~p12~0;main_~lk12~0 := 1; 3567#L122-1 assume !(0 != main_~p1~0); 3568#L128-1 assume !(0 != main_~p2~0); 3691#L133-1 assume !(0 != main_~p3~0); 3688#L138-1 assume !(0 != main_~p4~0); 3686#L143-1 assume !(0 != main_~p5~0); 3684#L148-1 assume !(0 != main_~p6~0); 3681#L153-1 assume !(0 != main_~p7~0); 3677#L158-1 assume !(0 != main_~p8~0); 3673#L163-1 assume !(0 != main_~p9~0); 3669#L168-1 assume !(0 != main_~p10~0); 3664#L173-1 assume !(0 != main_~p11~0); 3661#L178-1 assume !(0 != main_~p12~0); 3432#L183-1
[2021-10-28 23:00:22,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:00:22,147 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 6 times
[2021-10-28 23:00:22,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:00:22,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901806641]
[2021-10-28 23:00:22,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:00:22,148 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:00:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:00:22,155 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:00:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:00:22,164 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:00:22,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:00:22,165 INFO L85 PathProgramCache]: Analyzing trace with hash -547574454, now seen corresponding path program 1 times
[2021-10-28 23:00:22,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:00:22,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188927863]
[2021-10-28 23:00:22,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:00:22,165 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:00:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:00:22,186 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 23:00:22,186 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:00:22,186 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188927863]
[2021-10-28 23:00:22,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188927863] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:00:22,187 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:00:22,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:00:22,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078487634]
[2021-10-28 23:00:22,188 INFO L808 eck$LassoCheckResult]: loop already infeasible
[2021-10-28 23:00:22,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:00:22,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:00:22,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:00:22,189 INFO L87 Difference]: Start difference. First operand 1138 states and 1746 transitions. cyclomatic complexity: 640 Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 23:00:22,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:00:22,211 INFO L93 Difference]: Finished difference Result 2242 states and 3394 transitions.
[2021-10-28 23:00:22,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:00:22,212 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2242 states and 3394 transitions.
[2021-10-28 23:00:22,235 INFO L131 ngComponentsAnalysis]: Automaton has 64 accepting balls. 2240
[2021-10-28 23:00:22,254 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2242 states to 2242 states and 3394 transitions.
[2021-10-28 23:00:22,254 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2242
[2021-10-28 23:00:22,256 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2242
[2021-10-28 23:00:22,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2242 states and 3394 transitions.
[2021-10-28 23:00:22,260 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:00:22,260 INFO L681 BuchiCegarLoop]: Abstraction has 2242 states and 3394 transitions.
[2021-10-28 23:00:22,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2242 states and 3394 transitions.
[2021-10-28 23:00:22,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2242 to 2242.
[2021-10-28 23:00:22,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2242 states, 2242 states have (on average 1.5138269402319358) internal successors, (3394), 2241 states have internal predecessors, (3394), 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 23:00:22,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 2242 states and 3394 transitions.
[2021-10-28 23:00:22,326 INFO L704 BuchiCegarLoop]: Abstraction has 2242 states and 3394 transitions.
[2021-10-28 23:00:22,326 INFO L587 BuchiCegarLoop]: Abstraction has 2242 states and 3394 transitions.
[2021-10-28 23:00:22,326 INFO L425 BuchiCegarLoop]: ======== Iteration 7============
[2021-10-28 23:00:22,326 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2242 states and 3394 transitions.
[2021-10-28 23:00:22,340 INFO L131 ngComponentsAnalysis]: Automaton has 64 accepting balls. 2240
[2021-10-28 23:00:22,340 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:00:22,340 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:00:22,341 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-10-28 23:00:22,341 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:00:22,341 INFO L791 eck$LassoCheckResult]: Stem: 6848#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 6817#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_~p1~0, main_~lk1~0, main_~p2~0, main_~lk2~0, main_~p3~0, main_~lk3~0, main_~p4~0, main_~lk4~0, main_~p5~0, main_~lk5~0, main_~p6~0, main_~lk6~0, main_~p7~0, main_~lk7~0, main_~p8~0, main_~lk8~0, main_~p9~0, main_~lk9~0, main_~p10~0, main_~lk10~0, main_~p11~0, main_~lk11~0, main_~p12~0, main_~lk12~0, main_~cond~0;main_~p1~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~lk1~0;main_~p2~0 := main_#t~nondet8;havoc main_#t~nondet8;havoc main_~lk2~0;main_~p3~0 := main_#t~nondet9;havoc main_#t~nondet9;havoc main_~lk3~0;main_~p4~0 := main_#t~nondet10;havoc main_#t~nondet10;havoc main_~lk4~0;main_~p5~0 := main_#t~nondet11;havoc main_#t~nondet11;havoc main_~lk5~0;main_~p6~0 := main_#t~nondet12;havoc main_#t~nondet12;havoc main_~lk6~0;main_~p7~0 := main_#t~nondet13;havoc main_#t~nondet13;havoc main_~lk7~0;main_~p8~0 := main_#t~nondet14;havoc main_#t~nondet14;havoc main_~lk8~0;main_~p9~0 := main_#t~nondet15;havoc main_#t~nondet15;havoc main_~lk9~0;main_~p10~0 := main_#t~nondet16;havoc main_#t~nondet16;havoc main_~lk10~0;main_~p11~0 := main_#t~nondet17;havoc main_#t~nondet17;havoc main_~lk11~0;main_~p12~0 := main_#t~nondet18;havoc main_#t~nondet18;havoc main_~lk12~0;havoc main_~cond~0; 6818#L183-1
[2021-10-28 23:00:22,342 INFO L793 eck$LassoCheckResult]: Loop: 6818#L183-1 assume !false;main_~cond~0 := main_#t~nondet19;havoc main_#t~nondet19; 7040#L49 assume !(0 == main_~cond~0);main_~lk1~0 := 0;main_~lk2~0 := 0;main_~lk3~0 := 0;main_~lk4~0 := 0;main_~lk5~0 := 0;main_~lk6~0 := 0;main_~lk7~0 := 0;main_~lk8~0 := 0;main_~lk9~0 := 0;main_~lk10~0 := 0;main_~lk11~0 := 0;main_~lk12~0 := 0; 7037#L78 assume !(0 != main_~p1~0); 7034#L78-2 assume !(0 != main_~p2~0); 7026#L82-1 assume !(0 != main_~p3~0); 7027#L86-1 assume !(0 != main_~p4~0); 7010#L90-1 assume !(0 != main_~p5~0); 7011#L94-1 assume !(0 != main_~p6~0); 6994#L98-1 assume !(0 != main_~p7~0); 6996#L102-1 assume 0 != main_~p8~0;main_~lk8~0 := 1; 6982#L106-1 assume 0 != main_~p9~0;main_~lk9~0 := 1; 6983#L110-1 assume 0 != main_~p10~0;main_~lk10~0 := 1; 6970#L114-1 assume !(0 != main_~p11~0); 6971#L118-1 assume 0 != main_~p12~0;main_~lk12~0 := 1; 6953#L122-1 assume !(0 != main_~p1~0); 6954#L128-1 assume !(0 != main_~p2~0); 7073#L133-1 assume !(0 != main_~p3~0); 7070#L138-1 assume !(0 != main_~p4~0); 7068#L143-1 assume !(0 != main_~p5~0); 7066#L148-1 assume !(0 != main_~p6~0); 7064#L153-1 assume !(0 != main_~p7~0); 7061#L158-1 assume !(0 != main_~p8~0); 7057#L163-1 assume !(0 != main_~p9~0); 7053#L168-1 assume !(0 != main_~p10~0); 7048#L173-1 assume !(0 != main_~p11~0); 7045#L178-1 assume !(0 != main_~p12~0); 6818#L183-1
[2021-10-28 23:00:22,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:00:22,342 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 7 times
[2021-10-28 23:00:22,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:00:22,343 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942944048]
[2021-10-28 23:00:22,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:00:22,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:00:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:00:22,349 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:00:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:00:22,358 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:00:22,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:00:22,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1753248136, now seen corresponding path program 1 times
[2021-10-28 23:00:22,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:00:22,359 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17637068]
[2021-10-28 23:00:22,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:00:22,359 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:00:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:00:22,377 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 23:00:22,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:00:22,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17637068]
[2021-10-28 23:00:22,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17637068] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:00:22,378 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:00:22,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:00:22,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478994131]
[2021-10-28 23:00:22,379 INFO L808 eck$LassoCheckResult]: loop already infeasible
[2021-10-28 23:00:22,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:00:22,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:00:22,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:00:22,380 INFO L87 Difference]: Start difference. First operand 2242 states and 3394 transitions. cyclomatic complexity: 1216 Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 23:00:22,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:00:22,412 INFO L93 Difference]: Finished difference Result 4418 states and 6594 transitions.
[2021-10-28 23:00:22,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:00:22,413 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4418 states and 6594 transitions.
[2021-10-28 23:00:22,464 INFO L131 ngComponentsAnalysis]: Automaton has 128 accepting balls. 4416
[2021-10-28 23:00:22,501 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4418 states to 4418 states and 6594 transitions.
[2021-10-28 23:00:22,502 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4418
[2021-10-28 23:00:22,506 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4418
[2021-10-28 23:00:22,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4418 states and 6594 transitions.
[2021-10-28 23:00:22,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:00:22,514 INFO L681 BuchiCegarLoop]: Abstraction has 4418 states and 6594 transitions.
[2021-10-28 23:00:22,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4418 states and 6594 transitions.
[2021-10-28 23:00:22,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4418 to 4418.
[2021-10-28 23:00:22,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4418 states, 4418 states have (on average 1.4925305568130376) internal successors, (6594), 4417 states have internal predecessors, (6594), 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 23:00:22,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4418 states to 4418 states and 6594 transitions.
[2021-10-28 23:00:22,711 INFO L704 BuchiCegarLoop]: Abstraction has 4418 states and 6594 transitions.
[2021-10-28 23:00:22,711 INFO L587 BuchiCegarLoop]: Abstraction has 4418 states and 6594 transitions.
[2021-10-28 23:00:22,711 INFO L425 BuchiCegarLoop]: ======== Iteration 8============
[2021-10-28 23:00:22,711 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4418 states and 6594 transitions.
[2021-10-28 23:00:22,743 INFO L131 ngComponentsAnalysis]: Automaton has 128 accepting balls. 4416
[2021-10-28 23:00:22,743 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:00:22,743 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:00:22,744 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-10-28 23:00:22,744 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:00:22,744 INFO L791 eck$LassoCheckResult]: Stem: 13515#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 13482#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_~p1~0, main_~lk1~0, main_~p2~0, main_~lk2~0, main_~p3~0, main_~lk3~0, main_~p4~0, main_~lk4~0, main_~p5~0, main_~lk5~0, main_~p6~0, main_~lk6~0, main_~p7~0, main_~lk7~0, main_~p8~0, main_~lk8~0, main_~p9~0, main_~lk9~0, main_~p10~0, main_~lk10~0, main_~p11~0, main_~lk11~0, main_~p12~0, main_~lk12~0, main_~cond~0;main_~p1~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~lk1~0;main_~p2~0 := main_#t~nondet8;havoc main_#t~nondet8;havoc main_~lk2~0;main_~p3~0 := main_#t~nondet9;havoc main_#t~nondet9;havoc main_~lk3~0;main_~p4~0 := main_#t~nondet10;havoc main_#t~nondet10;havoc main_~lk4~0;main_~p5~0 := main_#t~nondet11;havoc main_#t~nondet11;havoc main_~lk5~0;main_~p6~0 := main_#t~nondet12;havoc main_#t~nondet12;havoc main_~lk6~0;main_~p7~0 := main_#t~nondet13;havoc main_#t~nondet13;havoc main_~lk7~0;main_~p8~0 := main_#t~nondet14;havoc main_#t~nondet14;havoc main_~lk8~0;main_~p9~0 := main_#t~nondet15;havoc main_#t~nondet15;havoc main_~lk9~0;main_~p10~0 := main_#t~nondet16;havoc main_#t~nondet16;havoc main_~lk10~0;main_~p11~0 := main_#t~nondet17;havoc main_#t~nondet17;havoc main_~lk11~0;main_~p12~0 := main_#t~nondet18;havoc main_#t~nondet18;havoc main_~lk12~0;havoc main_~cond~0; 13483#L183-1
[2021-10-28 23:00:22,744 INFO L793 eck$LassoCheckResult]: Loop: 13483#L183-1 assume !false;main_~cond~0 := main_#t~nondet19;havoc main_#t~nondet19; 13834#L49 assume !(0 == main_~cond~0);main_~lk1~0 := 0;main_~lk2~0 := 0;main_~lk3~0 := 0;main_~lk4~0 := 0;main_~lk5~0 := 0;main_~lk6~0 := 0;main_~lk7~0 := 0;main_~lk8~0 := 0;main_~lk9~0 := 0;main_~lk10~0 := 0;main_~lk11~0 := 0;main_~lk12~0 := 0; 13830#L78 assume !(0 != main_~p1~0); 13827#L78-2 assume !(0 != main_~p2~0); 13712#L82-1 assume !(0 != main_~p3~0); 13713#L86-1 assume !(0 != main_~p4~0); 13693#L90-1 assume !(0 != main_~p5~0); 13694#L94-1 assume !(0 != main_~p6~0); 13674#L98-1 assume !(0 != main_~p7~0); 13676#L102-1 assume !(0 != main_~p8~0); 13653#L106-1 assume 0 != main_~p9~0;main_~lk9~0 := 1; 13654#L110-1 assume 0 != main_~p10~0;main_~lk10~0 := 1; 13637#L114-1 assume !(0 != main_~p11~0); 13638#L118-1 assume 0 != main_~p12~0;main_~lk12~0 := 1; 13618#L122-1 assume !(0 != main_~p1~0); 13619#L128-1 assume !(0 != main_~p2~0); 13867#L133-1 assume !(0 != main_~p3~0); 13862#L138-1 assume !(0 != main_~p4~0); 13858#L143-1 assume !(0 != main_~p5~0); 13824#L148-1 assume !(0 != main_~p6~0); 13826#L153-1 assume !(0 != main_~p7~0); 13853#L158-1 assume !(0 != main_~p8~0); 13850#L163-1 assume !(0 != main_~p9~0); 13846#L168-1 assume !(0 != main_~p10~0); 13841#L173-1 assume !(0 != main_~p11~0); 13838#L178-1 assume !(0 != main_~p12~0); 13483#L183-1
[2021-10-28 23:00:22,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:00:22,745 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 8 times
[2021-10-28 23:00:22,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:00:22,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710535401]
[2021-10-28 23:00:22,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:00:22,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:00:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:00:22,758 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:00:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:00:22,780 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:00:22,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:00:22,783 INFO L85 PathProgramCache]: Analyzing trace with hash 164900234, now seen corresponding path program 1 times
[2021-10-28 23:00:22,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:00:22,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15556098]
[2021-10-28 23:00:22,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:00:22,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:00:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:00:22,816 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 23:00:22,817 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:00:22,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15556098]
[2021-10-28 23:00:22,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15556098] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:00:22,823 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:00:22,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:00:22,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143481434]
[2021-10-28 23:00:22,827 INFO L808 eck$LassoCheckResult]: loop already infeasible
[2021-10-28 23:00:22,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:00:22,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:00:22,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:00:22,828 INFO L87 Difference]: Start difference. First operand 4418 states and 6594 transitions. cyclomatic complexity: 2304 Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 23:00:22,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:00:22,925 INFO L93 Difference]: Finished difference Result 8706 states and 12802 transitions.
[2021-10-28 23:00:22,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:00:22,926 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8706 states and 12802 transitions.
[2021-10-28 23:00:22,993 INFO L131 ngComponentsAnalysis]: Automaton has 256 accepting balls. 8704
[2021-10-28 23:00:23,077 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8706 states to 8706 states and 12802 transitions.
[2021-10-28 23:00:23,077 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8706
[2021-10-28 23:00:23,087 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8706
[2021-10-28 23:00:23,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8706 states and 12802 transitions.
[2021-10-28 23:00:23,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:00:23,099 INFO L681 BuchiCegarLoop]: Abstraction has 8706 states and 12802 transitions.
[2021-10-28 23:00:23,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8706 states and 12802 transitions.
[2021-10-28 23:00:23,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8706 to 8706.
[2021-10-28 23:00:23,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8706 states, 8706 states have (on average 1.4704801286469102) internal successors, (12802), 8705 states have internal predecessors, (12802), 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 23:00:23,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8706 states to 8706 states and 12802 transitions.
[2021-10-28 23:00:23,522 INFO L704 BuchiCegarLoop]: Abstraction has 8706 states and 12802 transitions.
[2021-10-28 23:00:23,522 INFO L587 BuchiCegarLoop]: Abstraction has 8706 states and 12802 transitions.
[2021-10-28 23:00:23,522 INFO L425 BuchiCegarLoop]: ======== Iteration 9============
[2021-10-28 23:00:23,523 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8706 states and 12802 transitions.
[2021-10-28 23:00:23,590 INFO L131 ngComponentsAnalysis]: Automaton has 256 accepting balls. 8704
[2021-10-28 23:00:23,591 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:00:23,591 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:00:23,591 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-10-28 23:00:23,591 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:00:23,591 INFO L791 eck$LassoCheckResult]: Stem: 26646#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 26612#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_~p1~0, main_~lk1~0, main_~p2~0, main_~lk2~0, main_~p3~0, main_~lk3~0, main_~p4~0, main_~lk4~0, main_~p5~0, main_~lk5~0, main_~p6~0, main_~lk6~0, main_~p7~0, main_~lk7~0, main_~p8~0, main_~lk8~0, main_~p9~0, main_~lk9~0, main_~p10~0, main_~lk10~0, main_~p11~0, main_~lk11~0, main_~p12~0, main_~lk12~0, main_~cond~0;main_~p1~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~lk1~0;main_~p2~0 := main_#t~nondet8;havoc main_#t~nondet8;havoc main_~lk2~0;main_~p3~0 := main_#t~nondet9;havoc main_#t~nondet9;havoc main_~lk3~0;main_~p4~0 := main_#t~nondet10;havoc main_#t~nondet10;havoc main_~lk4~0;main_~p5~0 := main_#t~nondet11;havoc main_#t~nondet11;havoc main_~lk5~0;main_~p6~0 := main_#t~nondet12;havoc main_#t~nondet12;havoc main_~lk6~0;main_~p7~0 := main_#t~nondet13;havoc main_#t~nondet13;havoc main_~lk7~0;main_~p8~0 := main_#t~nondet14;havoc main_#t~nondet14;havoc main_~lk8~0;main_~p9~0 := main_#t~nondet15;havoc main_#t~nondet15;havoc main_~lk9~0;main_~p10~0 := main_#t~nondet16;havoc main_#t~nondet16;havoc main_~lk10~0;main_~p11~0 := main_#t~nondet17;havoc main_#t~nondet17;havoc main_~lk11~0;main_~p12~0 := main_#t~nondet18;havoc main_#t~nondet18;havoc main_~lk12~0;havoc main_~cond~0; 26613#L183-1
[2021-10-28 23:00:23,592 INFO L793 eck$LassoCheckResult]: Loop: 26613#L183-1 assume !false;main_~cond~0 := main_#t~nondet19;havoc main_#t~nondet19; 27025#L49 assume !(0 == main_~cond~0);main_~lk1~0 := 0;main_~lk2~0 := 0;main_~lk3~0 := 0;main_~lk4~0 := 0;main_~lk5~0 := 0;main_~lk6~0 := 0;main_~lk7~0 := 0;main_~lk8~0 := 0;main_~lk9~0 := 0;main_~lk10~0 := 0;main_~lk11~0 := 0;main_~lk12~0 := 0; 27021#L78 assume !(0 != main_~p1~0); 27018#L78-2 assume !(0 != main_~p2~0); 27019#L82-1 assume !(0 != main_~p3~0); 27063#L86-1 assume !(0 != main_~p4~0); 26838#L90-1 assume !(0 != main_~p5~0); 26839#L94-1 assume !(0 != main_~p6~0); 26819#L98-1 assume !(0 != main_~p7~0); 26821#L102-1 assume !(0 != main_~p8~0); 26795#L106-1 assume !(0 != main_~p9~0); 26797#L110-1 assume 0 != main_~p10~0;main_~lk10~0 := 1; 26778#L114-1 assume !(0 != main_~p11~0); 26779#L118-1 assume 0 != main_~p12~0;main_~lk12~0 := 1; 26759#L122-1 assume !(0 != main_~p1~0); 26760#L128-1 assume !(0 != main_~p2~0); 27053#L133-1 assume !(0 != main_~p3~0); 26987#L138-1 assume !(0 != main_~p4~0); 26988#L143-1 assume !(0 != main_~p5~0); 27049#L148-1 assume !(0 != main_~p6~0); 27047#L153-1 assume !(0 != main_~p7~0); 27044#L158-1 assume !(0 != main_~p8~0); 27040#L163-1 assume !(0 != main_~p9~0); 27037#L168-1 assume !(0 != main_~p10~0); 27032#L173-1 assume !(0 != main_~p11~0); 27029#L178-1 assume !(0 != main_~p12~0); 26613#L183-1
[2021-10-28 23:00:23,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:00:23,592 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 9 times
[2021-10-28 23:00:23,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:00:23,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881007569]
[2021-10-28 23:00:23,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:00:23,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:00:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:00:23,599 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:00:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:00:23,606 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:00:23,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:00:23,607 INFO L85 PathProgramCache]: Analyzing trace with hash -856168120, now seen corresponding path program 1 times
[2021-10-28 23:00:23,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:00:23,607 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973701277]
[2021-10-28 23:00:23,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:00:23,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:00:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:00:23,626 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 23:00:23,626 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:00:23,626 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973701277]
[2021-10-28 23:00:23,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973701277] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:00:23,626 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:00:23,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-28 23:00:23,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955716312]
[2021-10-28 23:00:23,627 INFO L808 eck$LassoCheckResult]: loop already infeasible
[2021-10-28 23:00:23,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:00:23,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:00:23,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:00:23,628 INFO L87 Difference]: Start difference. First operand 8706 states and 12802 transitions. cyclomatic complexity: 4352 Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 23:00:23,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:00:23,713 INFO L93 Difference]: Finished difference Result 17154 states and 24834 transitions.
[2021-10-28 23:00:23,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:00:23,713 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17154 states and 24834 transitions.
[2021-10-28 23:00:23,929 INFO L131 ngComponentsAnalysis]: Automaton has 512 accepting balls. 17152
[2021-10-28 23:00:24,020 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17154 states to 17154 states and 24834 transitions.
[2021-10-28 23:00:24,020 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17154
[2021-10-28 23:00:24,038 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17154
[2021-10-28 23:00:24,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17154 states and 24834 transitions.
[2021-10-28 23:00:24,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:00:24,061 INFO L681 BuchiCegarLoop]: Abstraction has 17154 states and 24834 transitions.
[2021-10-28 23:00:24,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17154 states and 24834 transitions.
[2021-10-28 23:00:24,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17154 to 17154.
[2021-10-28 23:00:24,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17154 states, 17154 states have (on average 1.4477089891570478) internal successors, (24834), 17153 states have internal predecessors, (24834), 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 23:00:24,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17154 states to 17154 states and 24834 transitions.
[2021-10-28 23:00:24,507 INFO L704 BuchiCegarLoop]: Abstraction has 17154 states and 24834 transitions.
[2021-10-28 23:00:24,507 INFO L587 BuchiCegarLoop]: Abstraction has 17154 states and 24834 transitions.
[2021-10-28 23:00:24,507 INFO L425 BuchiCegarLoop]: ======== Iteration 10============
[2021-10-28 23:00:24,507 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17154 states and 24834 transitions.
[2021-10-28 23:00:24,588 INFO L131 ngComponentsAnalysis]: Automaton has 512 accepting balls. 17152
[2021-10-28 23:00:24,588 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:00:24,588 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:00:24,589 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-10-28 23:00:24,589 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:00:24,589 INFO L791 eck$LassoCheckResult]: Stem: 52512#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 52479#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_~p1~0, main_~lk1~0, main_~p2~0, main_~lk2~0, main_~p3~0, main_~lk3~0, main_~p4~0, main_~lk4~0, main_~p5~0, main_~lk5~0, main_~p6~0, main_~lk6~0, main_~p7~0, main_~lk7~0, main_~p8~0, main_~lk8~0, main_~p9~0, main_~lk9~0, main_~p10~0, main_~lk10~0, main_~p11~0, main_~lk11~0, main_~p12~0, main_~lk12~0, main_~cond~0;main_~p1~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~lk1~0;main_~p2~0 := main_#t~nondet8;havoc main_#t~nondet8;havoc main_~lk2~0;main_~p3~0 := main_#t~nondet9;havoc main_#t~nondet9;havoc main_~lk3~0;main_~p4~0 := main_#t~nondet10;havoc main_#t~nondet10;havoc main_~lk4~0;main_~p5~0 := main_#t~nondet11;havoc main_#t~nondet11;havoc main_~lk5~0;main_~p6~0 := main_#t~nondet12;havoc main_#t~nondet12;havoc main_~lk6~0;main_~p7~0 := main_#t~nondet13;havoc main_#t~nondet13;havoc main_~lk7~0;main_~p8~0 := main_#t~nondet14;havoc main_#t~nondet14;havoc main_~lk8~0;main_~p9~0 := main_#t~nondet15;havoc main_#t~nondet15;havoc main_~lk9~0;main_~p10~0 := main_#t~nondet16;havoc main_#t~nondet16;havoc main_~lk10~0;main_~p11~0 := main_#t~nondet17;havoc main_#t~nondet17;havoc main_~lk11~0;main_~p12~0 := main_#t~nondet18;havoc main_#t~nondet18;havoc main_~lk12~0;havoc main_~cond~0; 52480#L183-1
[2021-10-28 23:00:24,591 INFO L793 eck$LassoCheckResult]: Loop: 52480#L183-1 assume !false;main_~cond~0 := main_#t~nondet19;havoc main_#t~nondet19; 53075#L49 assume !(0 == main_~cond~0);main_~lk1~0 := 0;main_~lk2~0 := 0;main_~lk3~0 := 0;main_~lk4~0 := 0;main_~lk5~0 := 0;main_~lk6~0 := 0;main_~lk7~0 := 0;main_~lk8~0 := 0;main_~lk9~0 := 0;main_~lk10~0 := 0;main_~lk11~0 := 0;main_~lk12~0 := 0; 53070#L78 assume !(0 != main_~p1~0); 53071#L78-2 assume !(0 != main_~p2~0); 53058#L82-1 assume !(0 != main_~p3~0); 53059#L86-1 assume !(0 != main_~p4~0); 53047#L90-1 assume !(0 != main_~p5~0); 53049#L94-1 assume !(0 != main_~p6~0); 53158#L98-1 assume !(0 != main_~p7~0); 53150#L102-1 assume !(0 != main_~p8~0); 53145#L106-1 assume !(0 != main_~p9~0); 53142#L110-1 assume !(0 != main_~p10~0); 53137#L114-1 assume !(0 != main_~p11~0); 53132#L118-1 assume 0 != main_~p12~0;main_~lk12~0 := 1; 53127#L122-1 assume !(0 != main_~p1~0); 53121#L128-1 assume !(0 != main_~p2~0); 53120#L133-1 assume !(0 != main_~p3~0); 53116#L138-1 assume !(0 != main_~p4~0); 53113#L143-1 assume !(0 != main_~p5~0); 53109#L148-1 assume !(0 != main_~p6~0); 53105#L153-1 assume !(0 != main_~p7~0); 53101#L158-1 assume !(0 != main_~p8~0); 53097#L163-1 assume !(0 != main_~p9~0); 53089#L168-1 assume !(0 != main_~p10~0); 53087#L173-1 assume !(0 != main_~p11~0); 53086#L178-1 assume !(0 != main_~p12~0); 52480#L183-1
[2021-10-28 23:00:24,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:00:24,592 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 10 times
[2021-10-28 23:00:24,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:00:24,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922554796]
[2021-10-28 23:00:24,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:00:24,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:00:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:00:24,601 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:00:24,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:00:24,612 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:00:24,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:00:24,613 INFO L85 PathProgramCache]: Analyzing trace with hash -2136031798, now seen corresponding path program 1 times
[2021-10-28 23:00:24,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:00:24,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194014915]
[2021-10-28 23:00:24,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:00:24,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:00:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:00:24,642 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 23:00:24,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-28 23:00:24,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194014915]
[2021-10-28 23:00:24,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194014915] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:00:24,643 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:00:24,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-28 23:00:24,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157736169]
[2021-10-28 23:00:24,644 INFO L808 eck$LassoCheckResult]: loop already infeasible
[2021-10-28 23:00:24,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-28 23:00:24,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:00:24,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:00:24,646 INFO L87 Difference]: Start difference. First operand 17154 states and 24834 transitions. cyclomatic complexity: 8192 Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 23:00:24,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:00:24,956 INFO L93 Difference]: Finished difference Result 33794 states and 48130 transitions.
[2021-10-28 23:00:24,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-28 23:00:24,957 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33794 states and 48130 transitions.
[2021-10-28 23:00:25,106 INFO L131 ngComponentsAnalysis]: Automaton has 1024 accepting balls. 33792
[2021-10-28 23:00:25,321 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33794 states to 33794 states and 48130 transitions.
[2021-10-28 23:00:25,321 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33794
[2021-10-28 23:00:25,343 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33794
[2021-10-28 23:00:25,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33794 states and 48130 transitions.
[2021-10-28 23:00:25,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2021-10-28 23:00:25,368 INFO L681 BuchiCegarLoop]: Abstraction has 33794 states and 48130 transitions.
[2021-10-28 23:00:25,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33794 states and 48130 transitions.
[2021-10-28 23:00:25,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33794 to 33794.
[2021-10-28 23:00:25,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33794 states, 33794 states have (on average 1.4242173166834349) internal successors, (48130), 33793 states have internal predecessors, (48130), 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 23:00:25,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33794 states to 33794 states and 48130 transitions.
[2021-10-28 23:00:25,935 INFO L704 BuchiCegarLoop]: Abstraction has 33794 states and 48130 transitions.
[2021-10-28 23:00:25,936 INFO L587 BuchiCegarLoop]: Abstraction has 33794 states and 48130 transitions.
[2021-10-28 23:00:25,936 INFO L425 BuchiCegarLoop]: ======== Iteration 11============
[2021-10-28 23:00:25,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33794 states and 48130 transitions.
[2021-10-28 23:00:26,236 INFO L131 ngComponentsAnalysis]: Automaton has 1024 accepting balls. 33792
[2021-10-28 23:00:26,236 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-28 23:00:26,236 INFO L119 BuchiIsEmpty]: Starting construction of run
[2021-10-28 23:00:26,237 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1]
[2021-10-28 23:00:26,237 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:00:26,237 INFO L791 eck$LassoCheckResult]: Stem: 103466#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(16);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 103432#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_~p1~0, main_~lk1~0, main_~p2~0, main_~lk2~0, main_~p3~0, main_~lk3~0, main_~p4~0, main_~lk4~0, main_~p5~0, main_~lk5~0, main_~p6~0, main_~lk6~0, main_~p7~0, main_~lk7~0, main_~p8~0, main_~lk8~0, main_~p9~0, main_~lk9~0, main_~p10~0, main_~lk10~0, main_~p11~0, main_~lk11~0, main_~p12~0, main_~lk12~0, main_~cond~0;main_~p1~0 := main_#t~nondet7;havoc main_#t~nondet7;havoc main_~lk1~0;main_~p2~0 := main_#t~nondet8;havoc main_#t~nondet8;havoc main_~lk2~0;main_~p3~0 := main_#t~nondet9;havoc main_#t~nondet9;havoc main_~lk3~0;main_~p4~0 := main_#t~nondet10;havoc main_#t~nondet10;havoc main_~lk4~0;main_~p5~0 := main_#t~nondet11;havoc main_#t~nondet11;havoc main_~lk5~0;main_~p6~0 := main_#t~nondet12;havoc main_#t~nondet12;havoc main_~lk6~0;main_~p7~0 := main_#t~nondet13;havoc main_#t~nondet13;havoc main_~lk7~0;main_~p8~0 := main_#t~nondet14;havoc main_#t~nondet14;havoc main_~lk8~0;main_~p9~0 := main_#t~nondet15;havoc main_#t~nondet15;havoc main_~lk9~0;main_~p10~0 := main_#t~nondet16;havoc main_#t~nondet16;havoc main_~lk10~0;main_~p11~0 := main_#t~nondet17;havoc main_#t~nondet17;havoc main_~lk11~0;main_~p12~0 := main_#t~nondet18;havoc main_#t~nondet18;havoc main_~lk12~0;havoc main_~cond~0; 103433#L183-1
[2021-10-28 23:00:26,238 INFO L793 eck$LassoCheckResult]: Loop: 103433#L183-1 assume !false;main_~cond~0 := main_#t~nondet19;havoc main_#t~nondet19; 103596#L49 assume !(0 == main_~cond~0);main_~lk1~0 := 0;main_~lk2~0 := 0;main_~lk3~0 := 0;main_~lk4~0 := 0;main_~lk5~0 := 0;main_~lk6~0 := 0;main_~lk7~0 := 0;main_~lk8~0 := 0;main_~lk9~0 := 0;main_~lk10~0 := 0;main_~lk11~0 := 0;main_~lk12~0 := 0; 103594#L78 assume !(0 != main_~p1~0); 103590#L78-2 assume !(0 != main_~p2~0); 103588#L82-1 assume !(0 != main_~p3~0); 103584#L86-1 assume !(0 != main_~p4~0); 103580#L90-1 assume !(0 != main_~p5~0); 103576#L94-1 assume !(0 != main_~p6~0); 103572#L98-1 assume !(0 != main_~p7~0); 103568#L102-1 assume !(0 != main_~p8~0); 103564#L106-1 assume !(0 != main_~p9~0); 103560#L110-1 assume !(0 != main_~p10~0); 103558#L114-1 assume !(0 != main_~p11~0); 103554#L118-1 assume !(0 != main_~p12~0); 103551#L122-1 assume !(0 != main_~p1~0); 103552#L128-1 assume !(0 != main_~p2~0); 103636#L133-1 assume !(0 != main_~p3~0); 103631#L138-1 assume !(0 != main_~p4~0); 103627#L143-1 assume !(0 != main_~p5~0); 103623#L148-1 assume !(0 != main_~p6~0); 103619#L153-1 assume !(0 != main_~p7~0); 103615#L158-1 assume !(0 != main_~p8~0); 103611#L163-1 assume !(0 != main_~p9~0); 103607#L168-1 assume !(0 != main_~p10~0); 103603#L173-1 assume !(0 != main_~p11~0); 103599#L178-1 assume !(0 != main_~p12~0); 103433#L183-1
[2021-10-28 23:00:26,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:00:26,238 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 11 times
[2021-10-28 23:00:26,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:00:26,239 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069136578]
[2021-10-28 23:00:26,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:00:26,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:00:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:00:26,246 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:00:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:00:26,259 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:00:26,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:00:26,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1572129484, now seen corresponding path program 1 times
[2021-10-28 23:00:26,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:00:26,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541811950]
[2021-10-28 23:00:26,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:00:26,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:00:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:00:26,273 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:00:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:00:26,280 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:00:26,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:00:26,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1068122098, now seen corresponding path program 1 times
[2021-10-28 23:00:26,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 23:00:26,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444531027]
[2021-10-28 23:00:26,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:00:26,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 23:00:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:00:26,288 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 23:00:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 23:00:26,300 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 23:00:27,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:00:27 BoogieIcfgContainer
[2021-10-28 23:00:27,066 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-10-28 23:00:27,067 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-28 23:00:27,067 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-28 23:00:27,067 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-28 23:00:27,069 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:00:20" (3/4) ...
[2021-10-28 23:00:27,071 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample
[2021-10-28 23:00:27,110 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c5b1f-f948-4f7e-b138-404d0f91215e/bin/uautomizer-GMMbpWq8iD/witness.graphml
[2021-10-28 23:00:27,110 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-28 23:00:27,112 INFO L168 Benchmark]: Toolchain (without parser) took 7151.92 ms. Allocated memory was 92.3 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 57.6 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 264.7 MB. Max. memory is 16.1 GB.
[2021-10-28 23:00:27,112 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 92.3 MB. Free memory was 61.9 MB in the beginning and 61.8 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:00:27,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.29 ms. Allocated memory is still 92.3 MB. Free memory was 57.3 MB in the beginning and 66.9 MB in the end (delta: -9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-28 23:00:27,113 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.22 ms. Allocated memory is still 92.3 MB. Free memory was 66.9 MB in the beginning and 65.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 23:00:27,113 INFO L168 Benchmark]: Boogie Preprocessor took 52.96 ms. Allocated memory is still 92.3 MB. Free memory was 65.2 MB in the beginning and 64.0 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:00:27,114 INFO L168 Benchmark]: RCFGBuilder took 352.70 ms. Allocated memory is still 92.3 MB. Free memory was 64.0 MB in the beginning and 51.5 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
[2021-10-28 23:00:27,114 INFO L168 Benchmark]: BuchiAutomizer took 6321.92 ms. Allocated memory was 92.3 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 51.5 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 313.8 MB. Max. memory is 16.1 GB.
[2021-10-28 23:00:27,115 INFO L168 Benchmark]: Witness Printer took 43.55 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-28 23:00:27,117 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23 ms. Allocated memory is still 92.3 MB. Free memory was 61.9 MB in the beginning and 61.8 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 326.29 ms. Allocated memory is still 92.3 MB. Free memory was 57.3 MB in the beginning and 66.9 MB in the end (delta: -9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 49.22 ms. Allocated memory is still 92.3 MB. Free memory was 66.9 MB in the beginning and 65.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* Boogie Preprocessor took 52.96 ms. Allocated memory is still 92.3 MB. Free memory was 65.2 MB in the beginning and 64.0 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB.
* RCFGBuilder took 352.70 ms. Allocated memory is still 92.3 MB. Free memory was 64.0 MB in the beginning and 51.5 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
* BuchiAutomizer took 6321.92 ms. Allocated memory was 92.3 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 51.5 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 313.8 MB. Max. memory is 16.1 GB.
* Witness Printer took 43.55 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. 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 10 terminating modules (10 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.10 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 33794 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 6.2s and 11 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 0. Minimization of det autom 10. Minimization of nondet autom 0. Automata minimization 1.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 1.0s Buchi closure took 0.0s. Biggest automaton had 33794 states and ocurred in iteration 10. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 957 SDtfs, 496 SDslu, 595 SDs, 0 SdLazy, 50 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI10 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: 47]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite execution
State at position 0 is
{NULL=20361}
State at position 1 is
{NULL=20362, NULL=0, p1=0, \result=0, p3=0, p2=0, p5=0, NULL=20361, p4=0, p10=0, p7=0, p6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72e16ba9=0, p9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@323a73d7=0, p8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@790df1c9=0, lk12=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c1c5ec=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c045ade=0, lk10=0, p11=0, lk11=0, p12=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a3a9374=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6159816a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6baf6069=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c2bb73e=11, cond=11, NULL=20363, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d413a42=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b54139a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b159b9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e3d21db=0, NULL=0, NULL=0, NULL=0, NULL=20364, lk3=0, lk4=0, lk5=0, lk6=0, NULL=0, lk1=0, lk2=0, lk7=0, lk8=0, lk9=0}
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 47]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L8] int p1 = __VERIFIER_nondet_int();
[L9] int lk1;
[L11] int p2 = __VERIFIER_nondet_int();
[L12] int lk2;
[L14] int p3 = __VERIFIER_nondet_int();
[L15] int lk3;
[L17] int p4 = __VERIFIER_nondet_int();
[L18] int lk4;
[L20] int p5 = __VERIFIER_nondet_int();
[L21] int lk5;
[L23] int p6 = __VERIFIER_nondet_int();
[L24] int lk6;
[L26] int p7 = __VERIFIER_nondet_int();
[L27] int lk7;
[L29] int p8 = __VERIFIER_nondet_int();
[L30] int lk8;
[L32] int p9 = __VERIFIER_nondet_int();
[L33] int lk9;
[L35] int p10 = __VERIFIER_nondet_int();
[L36] int lk10;
[L38] int p11 = __VERIFIER_nondet_int();
[L39] int lk11;
[L41] int p12 = __VERIFIER_nondet_int();
[L42] int lk12;
[L45] int cond;
Loop:
[L47] COND TRUE 1
[L48] cond = __VERIFIER_nondet_int()
[L49] COND FALSE !(cond == 0)
[L52] lk1 = 0
[L54] lk2 = 0
[L56] lk3 = 0
[L58] lk4 = 0
[L60] lk5 = 0
[L62] lk6 = 0
[L64] lk7 = 0
[L66] lk8 = 0
[L68] lk9 = 0
[L70] lk10 = 0
[L72] lk11 = 0
[L74] lk12 = 0
[L78] COND FALSE !(p1 != 0)
[L82] COND FALSE !(p2 != 0)
[L86] COND FALSE !(p3 != 0)
[L90] COND FALSE !(p4 != 0)
[L94] COND FALSE !(p5 != 0)
[L98] COND FALSE !(p6 != 0)
[L102] COND FALSE !(p7 != 0)
[L106] COND FALSE !(p8 != 0)
[L110] COND FALSE !(p9 != 0)
[L114] COND FALSE !(p10 != 0)
[L118] COND FALSE !(p11 != 0)
[L122] COND FALSE !(p12 != 0)
[L128] COND FALSE !(p1 != 0)
[L133] COND FALSE !(p2 != 0)
[L138] COND FALSE !(p3 != 0)
[L143] COND FALSE !(p4 != 0)
[L148] COND FALSE !(p5 != 0)
[L153] COND FALSE !(p6 != 0)
[L158] COND FALSE !(p7 != 0)
[L163] COND FALSE !(p8 != 0)
[L168] COND FALSE !(p9 != 0)
[L173] COND FALSE !(p10 != 0)
[L178] COND FALSE !(p11 != 0)
[L183] COND FALSE !(p12 != 0)
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2021-10-28 23:00:27,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623c5b1f-f948-4f7e-b138-404d0f91215e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0
Received shutdown request...