./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem08_label00.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 53f42b1a
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem08_label00.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 217c18baca642e8d6a626db305dee4233ed39a81c9786be0e6fc824ab7a0c7c5
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-53f42b1
[2021-11-20 06:46:39,993 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-11-20 06:46:39,995 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-20 06:46:40,025 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-20 06:46:40,025 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-20 06:46:40,027 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-20 06:46:40,028 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-20 06:46:40,031 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-20 06:46:40,033 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-20 06:46:40,034 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-20 06:46:40,036 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-11-20 06:46:40,037 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-20 06:46:40,038 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-20 06:46:40,039 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-20 06:46:40,041 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-20 06:46:40,043 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-20 06:46:40,044 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-20 06:46:40,045 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-20 06:46:40,048 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-20 06:46:40,050 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-20 06:46:40,053 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-20 06:46:40,054 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-20 06:46:40,056 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-11-20 06:46:40,057 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-20 06:46:40,061 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-20 06:46:40,061 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-20 06:46:40,062 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-20 06:46:40,063 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-20 06:46:40,064 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-20 06:46:40,065 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-20 06:46:40,065 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-20 06:46:40,066 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-20 06:46:40,067 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-20 06:46:40,068 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-20 06:46:40,070 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-20 06:46:40,070 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-20 06:46:40,071 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-20 06:46:40,072 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-20 06:46:40,072 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-20 06:46:40,073 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-20 06:46:40,074 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-11-20 06:46:40,075 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-11-20 06:46:40,107 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-11-20 06:46:40,108 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-20 06:46:40,108 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-20 06:46:40,109 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-20 06:46:40,116 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-20 06:46:40,116 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-20 06:46:40,117 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-20 06:46:40,117 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-11-20 06:46:40,118 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-11-20 06:46:40,118 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-20 06:46:40,119 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-11-20 06:46:40,119 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-11-20 06:46:40,120 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-11-20 06:46:40,120 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-11-20 06:46:40,120 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-11-20 06:46:40,120 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-20 06:46:40,120 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-11-20 06:46:40,121 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-11-20 06:46:40,121 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-11-20 06:46:40,121 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-11-20 06:46:40,121 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-11-20 06:46:40,122 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-20 06:46:40,122 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-11-20 06:46:40,122 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-11-20 06:46:40,122 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-20 06:46:40,123 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-20 06:46:40,123 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-11-20 06:46:40,123 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-20 06:46:40,123 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-11-20 06:46:40,124 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-20 06:46:40,124 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-11-20 06:46:40,124 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-20 06:46:40,124 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-20 06:46:40,125 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-11-20 06:46:40,125 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF/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_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


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 -> 217c18baca642e8d6a626db305dee4233ed39a81c9786be0e6fc824ab7a0c7c5
[2021-11-20 06:46:40,363 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-20 06:46:40,383 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-20 06:46:40,386 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-20 06:46:40,387 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-11-20 06:46:40,388 INFO  L275        PluginConnector]: CDTParser initialized
[2021-11-20 06:46:40,389 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/eca-rers2012/Problem08_label00.c
[2021-11-20 06:46:40,454 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF/data/9f33ca3e1/5a60e42af2c84af39790a106c33eaebd/FLAG972dcafa5
[2021-11-20 06:46:44,340 INFO  L306              CDTParser]: Found 1 translation units.
[2021-11-20 06:46:44,342 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/sv-benchmarks/c/eca-rers2012/Problem08_label00.c
[2021-11-20 06:46:44,637 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF/data/9f33ca3e1/5a60e42af2c84af39790a106c33eaebd/FLAG972dcafa5
[2021-11-20 06:46:44,822 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF/data/9f33ca3e1/5a60e42af2c84af39790a106c33eaebd
[2021-11-20 06:46:44,825 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-20 06:46:44,826 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-20 06:46:44,827 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-20 06:46:44,828 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-20 06:46:44,831 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-20 06:46:44,832 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:46:44" (1/1) ...
[2021-11-20 06:46:44,833 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c798a84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:46:44, skipping insertion in model container
[2021-11-20 06:46:44,833 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:46:44" (1/1) ...
[2021-11-20 06:46:44,840 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-11-20 06:46:46,429 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-11-20 06:47:12,111 WARN  L230   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_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/sv-benchmarks/c/eca-rers2012/Problem08_label00.c[5715910,5715923]
[2021-11-20 06:47:12,239 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-11-20 06:47:12,247 INFO  L203         MainTranslator]: Completed pre-run
[2021-11-20 06:47:26,286 WARN  L230   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_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/sv-benchmarks/c/eca-rers2012/Problem08_label00.c[5715910,5715923]
[2021-11-20 06:47:26,290 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-11-20 06:47:30,786 INFO  L208         MainTranslator]: Completed translation
[2021-11-20 06:47:30,787 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:30 WrapperNode
[2021-11-20 06:47:30,787 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-20 06:47:30,789 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-20 06:47:30,789 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-20 06:47:30,789 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-20 06:47:30,796 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:30" (1/1) ...
[2021-11-20 06:47:31,877 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:30" (1/1) ...
[2021-11-20 06:47:36,884 INFO  L137                Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184288
[2021-11-20 06:47:36,885 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-20 06:47:36,886 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-20 06:47:36,887 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-20 06:47:36,887 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-11-20 06:47:36,894 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:30" (1/1) ...
[2021-11-20 06:47:36,894 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:30" (1/1) ...
[2021-11-20 06:47:37,733 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:30" (1/1) ...
[2021-11-20 06:47:37,734 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:30" (1/1) ...
[2021-11-20 06:47:39,998 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:30" (1/1) ...
[2021-11-20 06:47:41,021 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:30" (1/1) ...
[2021-11-20 06:47:41,289 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:30" (1/1) ...
[2021-11-20 06:47:41,962 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-20 06:47:41,964 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-20 06:47:41,965 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-11-20 06:47:41,965 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-11-20 06:47:41,966 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:30" (1/1) ...
[2021-11-20 06:47:41,975 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-20 06:47:41,988 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF/z3
[2021-11-20 06:47:42,003 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-20 06:47:42,016 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff3a2f41-5292-4328-8fdc-93357ce8e8f9/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-20 06:47:42,043 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2021-11-20 06:47:42,044 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-20 06:47:42,044 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-20 06:47:42,044 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-20 06:47:42,214 INFO  L236             CfgBuilder]: Building ICFG
[2021-11-20 06:47:42,216 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2021-11-20 06:48:47,665 INFO  L277             CfgBuilder]: Performing block encoding
[2021-11-20 06:48:47,787 INFO  L296             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-20 06:48:47,787 INFO  L301             CfgBuilder]: Removed 1 assume(true) statements.
[2021-11-20 06:48:47,811 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:48:47 BoogieIcfgContainer
[2021-11-20 06:48:47,811 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-20 06:48:47,813 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-20 06:48:47,814 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-11-20 06:48:47,817 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-11-20 06:48:47,817 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:46:44" (1/3) ...
[2021-11-20 06:48:47,818 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23dcea7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:48:47, skipping insertion in model container
[2021-11-20 06:48:47,818 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:47:30" (2/3) ...
[2021-11-20 06:48:47,819 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23dcea7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:48:47, skipping insertion in model container
[2021-11-20 06:48:47,819 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:48:47" (3/3) ...
[2021-11-20 06:48:47,821 INFO  L111   eAbstractionObserver]: Analyzing ICFG Problem08_label00.c
[2021-11-20 06:48:47,827 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-20 06:48:47,827 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-20 06:48:47,928 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-20 06:48:47,936 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-11-20 06:48:47,936 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-20 06:48:48,277 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 23215 states, 23213 states have (on average 1.8828673588075646) internal successors, (43707), 23214 states have internal predecessors, (43707), 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)