./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label55.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version dbf71c69
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ab53f0-1238-4541-9743-f1037d7b6a41/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ab53f0-1238-4541-9743-f1037d7b6a41/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ab53f0-1238-4541-9743-f1037d7b6a41/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ab53f0-1238-4541-9743-f1037d7b6a41/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label55.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ab53f0-1238-4541-9743-f1037d7b6a41/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ab53f0-1238-4541-9743-f1037d7b6a41/bin/uautomizer-J5u9QxTXDZ --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 aa468cdeacc2d7780833e7258ebf99c7e35f22152fb9ab283fc568491a2af1a1
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-dbf71c6-m
[2022-10-17 11:03:03,155 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-10-17 11:03:03,157 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-10-17 11:03:03,208 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-10-17 11:03:03,208 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-10-17 11:03:03,212 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-10-17 11:03:03,215 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-10-17 11:03:03,218 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-10-17 11:03:03,223 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-10-17 11:03:03,228 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-10-17 11:03:03,229 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-10-17 11:03:03,232 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-10-17 11:03:03,232 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-10-17 11:03:03,235 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-10-17 11:03:03,238 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-10-17 11:03:03,240 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-10-17 11:03:03,241 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-10-17 11:03:03,242 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-10-17 11:03:03,244 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-10-17 11:03:03,252 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-10-17 11:03:03,253 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-10-17 11:03:03,255 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-10-17 11:03:03,258 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-10-17 11:03:03,259 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-10-17 11:03:03,269 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-10-17 11:03:03,270 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-10-17 11:03:03,270 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-10-17 11:03:03,272 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-10-17 11:03:03,273 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-10-17 11:03:03,274 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-10-17 11:03:03,277 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-10-17 11:03:03,278 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-10-17 11:03:03,280 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-10-17 11:03:03,281 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-10-17 11:03:03,282 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-10-17 11:03:03,283 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-10-17 11:03:03,283 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-10-17 11:03:03,284 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-10-17 11:03:03,284 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-10-17 11:03:03,285 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-10-17 11:03:03,285 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-10-17 11:03:03,287 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ab53f0-1238-4541-9743-f1037d7b6a41/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf
[2022-10-17 11:03:03,327 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-10-17 11:03:03,327 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-10-17 11:03:03,328 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-10-17 11:03:03,328 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-10-17 11:03:03,329 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-10-17 11:03:03,329 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-10-17 11:03:03,330 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-10-17 11:03:03,330 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-10-17 11:03:03,330 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-10-17 11:03:03,330 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-10-17 11:03:03,332 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-10-17 11:03:03,332 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-10-17 11:03:03,332 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-10-17 11:03:03,332 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-10-17 11:03:03,332 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-10-17 11:03:03,333 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-10-17 11:03:03,333 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-10-17 11:03:03,333 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-10-17 11:03:03,333 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-10-17 11:03:03,333 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-10-17 11:03:03,334 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-10-17 11:03:03,334 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-10-17 11:03:03,334 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-10-17 11:03:03,334 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-10-17 11:03:03,335 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-17 11:03:03,335 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-10-17 11:03:03,335 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-10-17 11:03:03,335 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-10-17 11:03:03,336 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-10-17 11:03:03,336 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-10-17 11:03:03,336 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-10-17 11:03:03,336 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2022-10-17 11:03:03,337 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-10-17 11:03:03,337 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_87ab53f0-1238-4541-9743-f1037d7b6a41/bin/uautomizer-J5u9QxTXDZ/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_87ab53f0-1238-4541-9743-f1037d7b6a41/bin/uautomizer-J5u9QxTXDZ
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 -> aa468cdeacc2d7780833e7258ebf99c7e35f22152fb9ab283fc568491a2af1a1
[2022-10-17 11:03:03,611 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-10-17 11:03:03,644 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-10-17 11:03:03,648 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-10-17 11:03:03,649 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-10-17 11:03:03,650 INFO  L275        PluginConnector]: CDTParser initialized
[2022-10-17 11:03:03,651 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ab53f0-1238-4541-9743-f1037d7b6a41/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/eca-rers2012/Problem04_label55.c
[2022-10-17 11:03:03,717 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ab53f0-1238-4541-9743-f1037d7b6a41/bin/uautomizer-J5u9QxTXDZ/data/2d4aa1c1b/c56fcdf3ce014f849281d0279610ace2/FLAGcef154f27
[2022-10-17 11:03:04,483 INFO  L306              CDTParser]: Found 1 translation units.
[2022-10-17 11:03:04,484 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ab53f0-1238-4541-9743-f1037d7b6a41/sv-benchmarks/c/eca-rers2012/Problem04_label55.c
[2022-10-17 11:03:04,511 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ab53f0-1238-4541-9743-f1037d7b6a41/bin/uautomizer-J5u9QxTXDZ/data/2d4aa1c1b/c56fcdf3ce014f849281d0279610ace2/FLAGcef154f27
[2022-10-17 11:03:05,025 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ab53f0-1238-4541-9743-f1037d7b6a41/bin/uautomizer-J5u9QxTXDZ/data/2d4aa1c1b/c56fcdf3ce014f849281d0279610ace2
[2022-10-17 11:03:05,028 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-10-17 11:03:05,030 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-10-17 11:03:05,031 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-10-17 11:03:05,032 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-10-17 11:03:05,035 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-10-17 11:03:05,036 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:03:05" (1/1) ...
[2022-10-17 11:03:05,037 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38f70ec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:03:05, skipping insertion in model container
[2022-10-17 11:03:05,038 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:03:05" (1/1) ...
[2022-10-17 11:03:05,045 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-10-17 11:03:05,200 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-10-17 11:03:06,699 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_87ab53f0-1238-4541-9743-f1037d7b6a41/sv-benchmarks/c/eca-rers2012/Problem04_label55.c[178827,178840]
[2022-10-17 11:03:06,722 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-10-17 11:03:06,732 INFO  L203         MainTranslator]: Completed pre-run
[2022-10-17 11:03:07,405 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_87ab53f0-1238-4541-9743-f1037d7b6a41/sv-benchmarks/c/eca-rers2012/Problem04_label55.c[178827,178840]
[2022-10-17 11:03:07,446 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-10-17 11:03:07,473 INFO  L208         MainTranslator]: Completed translation
[2022-10-17 11:03:07,473 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:03:07 WrapperNode
[2022-10-17 11:03:07,473 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-10-17 11:03:07,474 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-10-17 11:03:07,475 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-10-17 11:03:07,475 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-10-17 11:03:07,482 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:03:07" (1/1) ...
[2022-10-17 11:03:07,550 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:03:07" (1/1) ...
[2022-10-17 11:03:07,711 INFO  L138                Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5572
[2022-10-17 11:03:07,711 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-10-17 11:03:07,712 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-10-17 11:03:07,712 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-10-17 11:03:07,713 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-10-17 11:03:07,722 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:03:07" (1/1) ...
[2022-10-17 11:03:07,723 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:03:07" (1/1) ...
[2022-10-17 11:03:07,747 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:03:07" (1/1) ...
[2022-10-17 11:03:07,747 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:03:07" (1/1) ...
[2022-10-17 11:03:07,981 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:03:07" (1/1) ...
[2022-10-17 11:03:08,016 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:03:07" (1/1) ...
[2022-10-17 11:03:08,068 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:03:07" (1/1) ...
[2022-10-17 11:03:08,125 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:03:07" (1/1) ...
[2022-10-17 11:03:08,152 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-10-17 11:03:08,153 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-10-17 11:03:08,154 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-10-17 11:03:08,155 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-10-17 11:03:08,156 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:03:07" (1/1) ...
[2022-10-17 11:03:08,162 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-17 11:03:08,177 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ab53f0-1238-4541-9743-f1037d7b6a41/bin/uautomizer-J5u9QxTXDZ/z3
[2022-10-17 11:03:08,190 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ab53f0-1238-4541-9743-f1037d7b6a41/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-10-17 11:03:08,224 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ab53f0-1238-4541-9743-f1037d7b6a41/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-10-17 11:03:08,242 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-10-17 11:03:08,242 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-10-17 11:03:08,243 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-10-17 11:03:08,243 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-10-17 11:03:08,344 INFO  L235             CfgBuilder]: Building ICFG
[2022-10-17 11:03:08,346 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-10-17 11:03:12,768 INFO  L276             CfgBuilder]: Performing block encoding
[2022-10-17 11:03:12,797 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-10-17 11:03:12,797 INFO  L300             CfgBuilder]: Removed 1 assume(true) statements.
[2022-10-17 11:03:12,801 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:03:12 BoogieIcfgContainer
[2022-10-17 11:03:12,801 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-10-17 11:03:12,805 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-10-17 11:03:12,805 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-10-17 11:03:12,811 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-10-17 11:03:12,811 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 11:03:05" (1/3) ...
[2022-10-17 11:03:12,812 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa2424a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 11:03:12, skipping insertion in model container
[2022-10-17 11:03:12,812 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:03:07" (2/3) ...
[2022-10-17 11:03:12,812 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa2424a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 11:03:12, skipping insertion in model container
[2022-10-17 11:03:12,813 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:03:12" (3/3) ...
[2022-10-17 11:03:12,814 INFO  L112   eAbstractionObserver]: Analyzing ICFG Problem04_label55.c
[2022-10-17 11:03:12,832 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-10-17 11:03:12,833 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-10-17 11:03:12,922 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-10-17 11:03:12,930 INFO  L357      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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4724c788, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-17 11:03:12,930 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-17 11:03:12,948 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 885 states, 883 states have (on average 1.9229898074745186) internal successors, (1698), 884 states have internal predecessors, (1698), 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)
[2022-10-17 11:03:12,991 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 775
[2022-10-17 11:03:12,991 INFO  L187           NwaCegarLoop]: Found error trace
[2022-10-17 11:03:12,993 INFO  L195           NwaCegarLoop]: trace 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-10-17 11:03:12,993 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-10-17 11:03:12,998 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-17 11:03:12,999 INFO  L85        PathProgramCache]: Analyzing trace with hash -561385819, now seen corresponding path program 1 times
[2022-10-17 11:03:13,009 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-17 11:03:13,010 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263597284]
[2022-10-17 11:03:13,010 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-17 11:03:13,011 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-17 11:03:13,616 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-17 11:03:22,057 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-17 11:03:22,058 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-17 11:03:22,058 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263597284]
[2022-10-17 11:03:22,059 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263597284] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-17 11:03:22,059 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-17 11:03:22,060 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2022-10-17 11:03:22,061 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324134784]
[2022-10-17 11:03:22,062 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-17 11:03:22,072 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2022-10-17 11:03:22,073 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-17 11:03:22,107 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2022-10-17 11:03:22,109 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2022-10-17 11:03:22,113 INFO  L87              Difference]: Start difference. First operand  has 885 states, 883 states have (on average 1.9229898074745186) internal successors, (1698), 884 states have internal predecessors, (1698), 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 12 states, 12 states have (on average 64.5) internal successors, (774), 11 states have internal predecessors, (774), 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)
[2022-10-17 11:03:28,977 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-17 11:03:28,978 INFO  L93              Difference]: Finished difference Result 2490 states and 4835 transitions.
[2022-10-17 11:03:28,979 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2022-10-17 11:03:28,981 INFO  L78                 Accepts]: Start accepts. Automaton has  has 12 states, 12 states have (on average 64.5) internal successors, (774), 11 states have internal predecessors, (774), 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) Word has length 774
[2022-10-17 11:03:28,988 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-17 11:03:29,037 INFO  L225             Difference]: With dead ends: 2490
[2022-10-17 11:03:29,037 INFO  L226             Difference]: Without dead ends: 1541
[2022-10-17 11:03:29,050 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240
[2022-10-17 11:03:29,055 INFO  L413           NwaCegarLoop]: 913 mSDtfsCounter, 2108 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 6526 mSolverCounterSat, 711 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2108 SdHoareTripleChecker+Valid, 964 SdHoareTripleChecker+Invalid, 7237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 711 IncrementalHoareTripleChecker+Valid, 6526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time
[2022-10-17 11:03:29,057 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [2108 Valid, 964 Invalid, 7237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [711 Valid, 6526 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time]
[2022-10-17 11:03:29,076 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1541 states.
[2022-10-17 11:03:29,156 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1541 to 1541.
[2022-10-17 11:03:29,161 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1541 states, 1540 states have (on average 1.490909090909091) internal successors, (2296), 1540 states have internal predecessors, (2296), 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)
[2022-10-17 11:03:29,169 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1541 states and 2296 transitions.
[2022-10-17 11:03:29,170 INFO  L78                 Accepts]: Start accepts. Automaton has 1541 states and 2296 transitions. Word has length 774
[2022-10-17 11:03:29,172 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-10-17 11:03:29,173 INFO  L495      AbstractCegarLoop]: Abstraction has 1541 states and 2296 transitions.
[2022-10-17 11:03:29,173 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 12 states have (on average 64.5) internal successors, (774), 11 states have internal predecessors, (774), 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)
[2022-10-17 11:03:29,174 INFO  L276                IsEmpty]: Start isEmpty. Operand 1541 states and 2296 transitions.
[2022-10-17 11:03:29,199 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 790
[2022-10-17 11:03:29,199 INFO  L187           NwaCegarLoop]: Found error trace
[2022-10-17 11:03:29,200 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-10-17 11:03:29,200 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-10-17 11:03:29,201 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-10-17 11:03:29,201 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-17 11:03:29,202 INFO  L85        PathProgramCache]: Analyzing trace with hash -402816186, now seen corresponding path program 1 times
[2022-10-17 11:03:29,202 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-17 11:03:29,202 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782602322]
[2022-10-17 11:03:29,203 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-17 11:03:29,203 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-17 11:03:29,482 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat